Software Development Jobs
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## Location: New York (Office) ## On-site | Full-time ## Compensation: $200K - $250K Our client is a high-growth fintech startup building a streamlined trading application designed to bridge the gap between complex on-chain assets and everyday users. The platform provides instant access to digital assets without the friction of external wallets or bridges, while offering advanced social trading features and institutional-grade execution data. The engineering team is composed of high-caliber, crypto-native professionals with backgrounds from industry leaders such as **dYdX**, **Uniswap**, and **OpenSea**. Following a recent move to a spacious new office in Soho, the organization is looking for a **Staff Trading Infrastructure Engineer** to spearhead the evolution of their trading infrastructure. This role is focused on the technical frontier of transaction speed, MEV prevention, and liquidity routing. ## Key Responsibilities - **Infrastructure Optimization:** Lead the development and overhaul of transaction landing infrastructure to ensure industry-leading speed and reliability - **Routing & Solvers:** Design and implement proprietary routing systems and cross-chain solvers to optimize swap efficiency for users - **Feature Development:** Architect and deploy advanced trading functionalities, including cross-chain limit orders and custom gas sponsorship infrastructure - **Strategic Planning:** Autonomously identify bottlenecks in current trading flows and execute technical roadmaps to maintain a competitive edge in a multichain environment - **Technical Leadership:** Serve as a subject matter expert for a lean team of frontend and backend engineers, maintaining high standards for code quality and performance ## Requirements - **Experience:** Minimum of 6+ years of professional software engineering experience, ideally operating at a Staff level or higher - **Domain Expertise:** Deep understanding of blockchain internals, specifically regarding how to land transactions in highly competitive environments - **Ecosystem Knowledge:** Strong experience with **Solana** is highly preferred, though exceptional candidates with deep expertise in other major ecosystems will be considered - **Problem Solving:** Proven ability to manage the entire lifecycle of complex infrastructure projects—from conceptualization to deployment—with minimal supervision - **Location:** Ability to work in-person at the client's Soho office in New York City. The organization maintains a strong in-person culture to foster collaboration and rapid iteration - **Mindset:** A curious, crypto-native approach with a genuine interest in the future of multichain interoperability ## Benefits - **Competitive Compensation:** Highly competitive salary and equity packages - **Prime Location:** Modern, spacious office located in the heart of Soho, NYC - **High-Impact Environment:** Opportunity to work alongside a small, elite team of engineers from top-tier crypto protocols - **Cutting-Edge Tech:** Direct involvement in shaping the infrastructure of a next-generation trading platform Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search. ## Commitment to Equality and Accessibility At **MLabs**, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing human-resources@mlabs.city. **MLabs Ltd** collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd's Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting legal@mlabs.city. When applying, mention the word **CANDYSHOP** to show you read the job post completely.
1 day ago
## **ZAUBAR** ZAUBAR builds location-based AR experiences that turn cities into interactive layers of stories, knowledge, and entertainment. We work with leading cultural institutions, brands, and destinations to create immersive experiences in the real world. Our next step: bringing these experiences to AI-powered glasses and enabling creators to build and monetize them through the ZAUBAR platform. --- ### **The Role** We're looking for a senior developer who takes ownership from architecture to deployment. You will shape the core of our AR platform across mobile and emerging AR glasses. This is a hands-on role in a small team where your decisions directly impact the product. You will be working with the latest AI and AR glasses prototypes before everyone else has access. --- ### **Tasks** - Own the architecture of our AR platform across mobile and AR glasses - Build and ship features across Unity, native apps, and backend systems - Develop and optimize real-time, location-based AR experiences - Work closely with ML engineers to integrate computer vision into production - Ensure performance across iOS, Android, and wearable devices - Set up and improve testing, CI/CD, and release pipelines - Collaborate with product, design, and creative teams on new features - Review code and mentor other developers --- ### **Requirements** - 5+ years experience in software development - Proven track record of shipping and maintaining products - Strong experience in one or more of: Unity, mobile development, real-time 3D - Experience with performance optimization on constrained devices - Ability to design systems end-to-end and take full ownership - Interest in AR, spatial computing, or AI-driven interfaces - Pragmatic problem solver who gets things done *Nice to have:* - Experience with computer vision or ML integration - Experience with AR frameworks or wearable devices - Familiarity with cloud infrastructure (e.g. GCP) - Experience with WebGL or cross-platform stacks --- ### **Benefits** - Access to latest AR/AI glasses hardware before everyone else - Build real-world AR experiences used by millions of people - Work on cutting-edge use cases for AI glasses - High ownership and fast iteration cycles - Small, experienced, interdisciplinary team - Equity potential with real upside - Flexible work setup (Berlin or remote in EU) --- We're looking forward to your application! Please include a portfolio when submitting. When applying, mention the word **CANDYSHOP** to show you read the job post completely.
1 day ago
## **Job Title: Senior Unity Game Developer (AR/Immersive Experiences)** This goes out to everyone who wants to push things forward. We are inventing a new kind of tour — immersive explorations powered by location-based augmented reality that are social, fun, and educating. At **ZAUBAR**, we're taking the metaverse to the streets! Right now, we're partnering with some of Germany's most interesting cultural institutions, media houses, tour operators, and brands to make immersive tours a reality. Soon, we're enabling anyone to create, distribute, and monetize immersive tours. The founders and team have deep backgrounds in AI, 3D UI, and journalism. We are looking for a seasoned game developer with experience shipping multiple **Unity** games or interactive apps. You enjoy solving complex device and game platform problems where you can exercise your practical technical knowledge. You also effectively collaborate with others to provide technical expertise on identified issues. As a small team where the code you write gets deployed fast, you'll be responsible for development, testing, and code quality. This role requires a high level of ownership over the product code and working closely with the team. You'll also be working with the creative and product teams to plan new features and prioritize problems and opportunities. In order to set you up for success, we provide everything you need within our dynamic and employee-centric company structure. Full responsibility and ownership of your work — you're making time travel possible! --- ### **Tasks** - Conceptualize and execute the architecture of a platform targeting creators and consumers - Implement a variety of gameplay mechanics and client/server components - Optimize performance for playback focused on mobile devices (**iOS**, **Android**, **AR Glasses**) - Set up in-house pipelines to boost output in code, artwork, and QA - Review pull requests and contribute to the growth of the team - Work closely and communicate openly with engineers, designers, and management team - Proactively train yourself to remain at the forefront of augmented reality development - Be part of a developer team and able to mentor new developers - Build something that people really want --- ### **Requirements** - 5+ years experience in development with high-level languages - 3+ years with **Unity** or a similar game engine, with multiple shipped products - Implicit understanding of real-time performance - Ideally have shader knowledge - A super open and friendly person - Solve problems until they are done --- ### **Benefits** - Low hierarchy - Substantial equity - Team events (VR, AR scavenger hunts, meetups, bicycle rides, parties) - Flexible work times - Partly home office - Coffee and tea flatrate in the office --- We're looking forward to your application! Please include a portfolio when submitting. When applying, mention the word **CANDYSHOP** to show you read the job post completely.
1 day ago
## Location North America ## Employment Type Full time ## Location Type Remote ## Department Engineering --- ### About Helius **Helius** is building the core infrastructure for Solana – empowering developers to create the next generation of crypto-powered applications. Our mission is to accelerate the development of internet capital markets by making it easier, faster, and more intuitive to build on-chain. Thousands of teams – from early-stage startups to industry leaders like **Coinbase**, **Phantom**, and **Jupiter** – rely on Helius APIs, webhooks, and indexing tools to power their products. Backed by **Haun Ventures**, **Founders Fund**, and **Foundation Capital**, we’re a small, senior team obsessed with performance, simplicity, and scalability in decentralized systems. Read our Helius Manifesto to see how we work and what we value. --- ### About the Role We're looking for a **Staff Performance Engineer** to own the most latency-critical systems at Helius. These services are responsible for streaming Solana's state changes across our global network and providing real-time data APIs to traders, exchanges, and DeFi protocols. They handle massive throughput, and small optimizations create outsized impact. You'll lead performance strategy, drive cross-team architectural decisions, and dig into the hardest bottlenecks to make our products faster and more efficient. The problems are challenging, the expectations are high, and the improvements you ship will be felt across the Solana ecosystem. --- ### What You'll Do - Set technical direction for performance across Helius' most latency-critical systems, influencing architecture and engineering standards company-wide - Profile, tune, and optimize the low-level Rust services that power traders and financial institutions - Design systems for low-latency environments where microseconds matter - Lead cross-team initiatives to identify and eliminate systemic performance bottlenecks - Own foundational systems end-to-end and keep them simple, reliable, and easy to operate - Mentor engineers and raise the bar on performance engineering and operational rigor --- ### What You'll Bring - 8+ years of systems-level engineering in **Rust** or **C++** - Deep experience tuning high-throughput, latency-sensitive systems - Track record of leading ambiguous, cross-team technical projects and shipping durable systems - Strong intuition for hardware, operating systems, and network performance - Ability to operate with high ownership on difficult technical problems and make decisions legible to stakeholders - A desire to push performance to the limit, not just make it "good enough" --- ### Nice to Have - Experience in trading systems (DeFi or TradFi) - Background in performance-obsessed environments like **Cloudflare**, **Netflix**, or similar --- ### Why Helius? - **High-impact work:** Your code will power applications used by millions across the Solana ecosystem, including Coinbase, Jupiter, and Phantom - **Serious engineering:** Build fast, reliable systems and user experiences across distributed infra and high-throughput backends - **Ownership & growth:** Lead critical initiatives, influence architecture and product direction, and take on more responsibility as the company scales - **Remote-first flexibility:** Work where you’re most effective with a flexible, fully distributed team - **Competitive comp & perks:** Market-leading salary, meaningful equity, generous vacation, wellness budgets, and support for learning and travel - **Mission-driven team:** Join ambitious builders who move fast, take ownership, and are shaping the future of decentralized apps --- *When applying, mention the word **CANDYSHOP** to show you read the job post completely.*
LawnStarter
2 days ago
This is a remote role for candidates located in Porto Alegre, Brazil. About LawnStarter LawnStarter is the nation's leading on-demand marketplace for lawn care and outdoor services, with over $100M in annual bookings. We're expanding beyond lawn care to become the one-stop shop for all home services — operating across three brands (LawnStarter, Lawn Love, Home Gnome) on a single shared platform. About Engineering at LawnStarter We're restructuring engineering around initiative teams: a Product Engineer paired with a PM and a designer, with an Engineering Manager who covers a couple of initiatives and supports your growth. The engineer leads AI agents like a team, ships the work, and is accountable — with the rest of the triangle — for whether the initiative moves its metric. We're betting that 1–2 strong engineers running AI agents can outship the labor-team model that defined the last decade of software. That bet only works if the engineers we hire are wired for ownership and can ship to a marketplace with real customers and pros on both sides. The Role You're the engineering anchor of one initiative at a time. The initiative is a team effort — an iron triangle of you, your PM, and your designer — and you have key participation across the full lifecycle: shaping the problem, deciding the technical approach, leading the AI agents that implement most of the code, shipping to production, and answering for the outcome alongside the rest of the triangle. You're accountable for the outcome — not for the volume of code merged. If an agent can ship it safely, your job is to make sure the agent does it right and the metric moves. If the initiative needs hand-written code in a sensitive area, you write it yourself. What makes this role different: You lead AI agents, not humans. Claude Code, Cursor, Codex, and our internal agent stack are your team. You own the quality, safety, and velocity of what they produce. You own an outcome, not a ticket queue. Problem-framing through production through the metric review 2–4 weeks after launch. You partner horizontally with PM and design. No tech lead above you. No architect approval. No ticket grooming committee. The bar is staff, not senior. You make the call when the call needs to be made. If you're waiting to be told, this isn't the role. What You'll Own The technical approach — architecture, data model, integration choices, rollout plan, observability, and rollback strategy for your initiative. You make the call, document it, and revisit it if the data says you were wrong. Agent-led implementation quality — the prompts, guardrails, evals, tests, and review loop that let agents ship safe, correct, production-ready code on your initiative. Most lines will be agent-authored. You're accountable for them. Cross-functional partnership — daily working contact with your PM (scope, tradeoffs) and your designer (UX decisions, in-tool prototyping with agents), and weekly check-ins with your EM (initiative health, blockers, growth). The initiative outcome — the specific metric the initiative was set up to move. In partnership with your PM, you present results 2–4 weeks post-launch and share the "did it work" answer. A high bar for what ships under your name — production correctness, security posture, performance, observability, and the experience for customers and pros. Agents accelerate you; they don't lower the bar. Problems to Solve Leading AI agents at staff-level qualityMost of the code on your initiative will be authored by AI agents. The work is making agents ship as if a senior engineer wrote it: prompts that encode our codebase conventions, evals that catch hallucinations before merge, tests that exercise the edges, observability that catches the regression in production before a customer reports it. How do you build the agent workflow that lets one engineer ship what used to take a team? Owning an outcome without a tech leadYou don't have a tech lead to approve your design or an architect to escalate to. You have an EM who covers a couple of initiatives and peers on adjacent ones. How do you make calls fast, document them clearly, and stay accountable to the outcome — without slowing down for hierarchy that no longer exists? Shipping outcomes, not featuresThe initiative will be measured by a metric — a conversion rate, a retention curve, a pro-funnel KPI, a unit economics shift. You're accountable for the number, not the feature. How do you scope to actually move it, decide what to not build, and have the discipline to follow up 2–4 weeks after launch even when the next initiative is calling? What Success Looks Like (Year 1) Initiative outcomes hit — You've shipped 3–4 initiatives end-to-end, and at least two clearly moved the metric they were set up to move (with the post-launch review to prove it). Agent workflow that travels — The prompts, evals, and review loop you built for your initiative are adopted by at least one other engineer on an adjacent initiative. Cycle time — Median time from problem-framing to first production rollout on your initiatives is meaningfully shorter than the pre-restructure baseline. Zero "agent-shipped that" incidents — No customer- or pro-facing regression traceable to agent-authored code that you missed in review. Visible leverage — Other engineers point to artifacts you left behind — runbooks, evals, agent workflows, post-launch write-ups — as references they use. Who You Are AI-native. Claude Code, Cursor, Codex, or equivalent are how you ship — daily, on production work. You have opinions about prompts, evals, agent loops, MCP servers, and review workflows, and you know when to let the agent run vs. write it yourself. This is unlikely to be a good fit if you describe AI coding as "something you're exploring" or prefer to write everything by hand. Already operating at lead level. You may currently be titled Senior, Staff, Lead, or Principal — but in practice you've been the person making the call, shipping the hard thing, and answering for whether it worked. This is unlikely to be a good fit if you've always had a tech lead breaking down the work for you. Outcome-driven, not output-driven. You measure your week in "did the metric move" and "did the experience get better," not in tickets closed. You read the post-launch dashboard and you own the answer. This is unlikely to be a good fit if you take pride in volume of code shipped or feel uncomfortable being measured on a number you don't fully control. A strong horizontal partner. You hold your own with a strong PM and a strong designer. You bring engineering judgment to product calls and product judgment to engineering calls. This is unlikely to be a good fit if you hide behind "that's product's decision" or default to RICE-scoring tickets handed down to you. Decisive and documented. Architecture decisions, data-model choices, rollout plans — you write them down, get fast input, and move. This is unlikely to be a good fit if you wait for consensus on questions that have a clear right answer, or if you make calls and never write them down. Raises the floor, not just the ceiling. Your impact compounds beyond your own initiative because you leave artifacts — agent workflows, evals, runbooks, post-launch reviews. This is unlikely to be a good fit if you're a lone wolf who ships brilliantly but leaves nothing reusable behind. Cares about customers and pros. This is a real-world marketplace with real people on both sides. This is unlikely to be a good fit if you're chasing pure engineering elegance over business and customer outcomes. This Role Is NOT A tech lead in an old-style team. No 4–5 engineers reporting up to you on technical direction. The team is you + PM + designer + EM, with AI agents doing most of the implementation. A management role today. People management is the EM's job in this role. That said, the path can grow into management for those who want it — it's an open door, not a closed one. A platform-only or architecture-only role. You're a Product Engineer. You ship features that move metrics, end-to-end. Platform work happens inside the initiative when it's needed for the outcome. A "let AI do everything" role. Agents handle implementation grunt work. You handle judgment, design, safety, and accountability. The bar is higher than the old senior bar, not lower. A research role. This is shipping to a marketplace with $100M+ in bookings. Customers and pros are using what you ship inside the same week. Tech You'll Touch AI agents — Claude Code, Cursor, Codex, internal agent stack, MCP servers, evals tooling Backend — PHP/Laravel Frontend — TypeScript/React/React Native (customer & pro apps, web and mobile) Data — Redshift, dbt, Segment, Airflow Infra — AWS, Datadog, Sentry, GitHub Actions Documentation & process — Brain (Claude Code skills + docs repo), Confluence, Jira You don't need every box checked. You need deep skill in at least one of our stacks plus credible production experience with AI coding agents. Benefits Competitive salary of USD $80,000–$100,000 annual base Work from anywhere High ownership and autonomy Fast-moving team that loves to build, learn, and grow
3 days ago
## **Issuance Engineering Lead** ### **About M0** M0 is the shared infrastructure where businesses launch their own branded stablecoins and financial institutions power them. Built on a common standard, every stablecoin on M0 is interoperable and liquid from day one — giving businesses programmable control over how money moves in their ecosystems, and giving financial institutions the most advanced issuance stack in the industry. M0 is seeking an **Issuance Engineering Lead** who will play a fundamental role in shaping the future of our organization. As Issuance Engineering Lead, you will own the smart contract and backend systems that power M0 stablecoin issuance across EVM and non-EVM chains (Solana and others). You will lead and build out the team responsible for making issuance fast, safe, and capital-efficient — from on-chain programs to the backend systems, APIs, and UIs that sit on top of them. The ideal candidate is a self-driven engineering lead with strong ownership instincts and a bias for action, equally comfortable in EVM and non-EVM environments, who brings substantial expertise across blockchain applications and infrastructure and thrives in fast-paced settings. ### **Key Responsibilities** - Build and lead a high-caliber engineering team delivering on-chain programs and backend services. - Architect and ship smart contracts across EVM and non-EVM chains (Solana and others) with a high bar for precision and safety. - Mentor engineers and set the technical direction for the issuance stack. - Drive code and design reviews, raising the quality bar across the team. - Prepare codebases for third-party audits with comprehensive tests, invariants, AI-assisted review, and fuzz testing harnesses. ### **Qualifications** - 7+ years of software engineering experience shipping production DeFi and backend systems. - 2+ years leading engineering teams, or a clear track record suggesting you'll pick it up quickly. - Proven history of deploying and maintaining complex, high-precision on-chain systems in production. - Production experience writing backend systems in Rust. - Solid Solidity and EVM development experience, combined with strong familiarity with the SPL Token program, Token-2022, and Associated Token Accounts. - Experience with cross-chain messaging and bridging protocols — Wormhole NTT, LayerZero, Hyperlane, or Chainlink CCIP. ### **Nice to Have** - Prior experience at a high-growth digital assets company or DeFi protocol — ideally one handling stablecoin issuance, lending, or RWAs. - Experience with security tooling and audit workflows for EVM and non-EVM chains (Solana and others). - AI-curious and fluent — uses modern AI tooling to move faster and ship better. - Open-source contributions to on-chain programs, SDKs, or developer tooling. - Degree in computer science or a related field. ### **Compensation** - Competitive compensation (base salary with equity/token grant) commensurate with experience. ### **Benefits** - **Global team and flexibility:** Join a truly global team with the flexibility to work remotely or from one of our hubs in NYC or Berlin. - **Health and wellness:** Enjoy comprehensive healthcare insurance coverage as well as a wellbeing allowance and gym membership to support your physical and mental health. - **Customizable IT setup:** Tailor your workspace with access to top-notch IT equipment. - **Professional development:** Benefit from an annual development budget to enhance your skills and grow professionally, including opportunities to participate in conferences and on-site company events worldwide. When applying, mention the word **CANDYSHOP** to show you read the job post completely.
3 days ago
```markdown ## About CoW DAO **CoW DAO** is on a mission to protect Ethereum users from MEV and optimize trade execution across DeFi. We achieve this through the CoW Protocol, CoW Swap (a leading intent-based DEX aggregator), and the innovative MEV Blocker, which together help secure, aggregate, and route trades for optimal outcomes. We also fund values-aligned projects via the CoW Grants Program. CoW Protocol is consistently ranked among the top DEX aggregators by monthly volume and is the largest intent-based exchange. Our MEV Blocker protects trades from harmful MEV extraction and is integrated across the Ethereum ecosystem. The CoW AMM is the only live AMM designed to protect liquidity providers from LVR (loss-versus-rebalancing). With over **100 open-source repositories** on GitHub, we're transparent, community-driven, and deeply committed to the open-source ethos. Our real-time Dune Analytics dashboard showcases billions in cumulative trading volume and a rapidly growing user base. As we continue to scale, CoW DAO remains at the forefront of DeFi innovation, prioritizing security, efficiency, and decentralization. Learn more ## About the role *Location: We are a fully remote team, and although we hire almost globally, there is a preference for this role to be based in **Europe or remote +/- 4 hours CEST time*** *Please note* we’re not hiring from the US, Australia, or New Zealand *Position: **Full-time contractor*** We are looking for an enthusiastic, self-motivated, **Senior Backend Engineer** to help us build the next generation of decentralised trading protocols. As a dedicated backend engineer, you will gain ownership of our existing backend services and influence the creation, design, and execution of future features and products. You will work on technically challenging aspects of our off-chain services and our developer-facing APIs and help ensure the delivery of reliable and performant features to improve CoW Protocol. **Our Tech Stack** - **Backend Code:** Rust, Tokio, Cargo, Git (https://github.com/cowprotocol/services) - **Infrastructure:** Pulumi, AWS, Docker, Kubernetes, Grafana, Prometheus, Elasticsearch - **Other codebases:** Typescript, Python, Solidity ## What you will do - Architect and design our off-chain services (core auction protocol as well as the orderbook) to support feature growth and the rapidly changing requirements that come from being an application on a constantly evolving blockchain. - While your focus will be writing concurrent backend systems in Rust, you will also interact with our Smart Contracts written in Solidity and develop your understanding of auction mechanisms and DeFi protocols. - Participate in our on-call rotation to help ensure the reliability of our production systems (**on-call work is additionally compensated**). - Work closely with researchers and the product team to ship features and come up with new solutions for challenging technical problems. - Deliver high-quality code for features from concept until production (including state-of-the-art monitoring of our production systems). - Give thoughtful and in-depth code reviews of your colleagues’ contributions to our open-source codebase. ## Who you are - You have 8+ years of production experience with **systems-level programming languages**, with at least 3+ years of hands-on production experience using **Rust**. - You have **practical experience working in web3** (ideally in DeFi and the Ethereum ecosystem). - You have excellent computer science, programming, and algorithmic skills. - Experience with operating, maintaining, and architecting complex software systems. - You care deeply about the quality, readability, observability, and testability of your code. - You proactively give technical direction to improve performance, prevent issues, optimise data usage, and refactor the codebase. - You are a team player, strong communicator, and gladly share your expertise with others. - You collaborate effectively with a remote-first team on a large, open-source codebase. - Ideally, someone senior who can mentor colleagues and provide direction. - You are excited to explore and gain experience with Ethereum. ## What we can offer you - Flexible work environment: Join our hub in Lisbon or work remotely. - Token plan: Have a stake in our mission and shape the future of CoW DAO. - Periodic gatherings: Enjoy opportunities to connect with the rest of the team through regular trips. - Conference allocation: Stay up-to-date with ecosystem advancements using our conference budget. - Learning budget: Use our learning budget to support your higher ambitions. - Hardware budget: Take advantage of a hardware budget for acquiring necessary equipment. - Make an impact: You are joining a startup where you can make a huge difference. Your work matters! - Flat hierarchies mean fewer processes and bureaucracy - see more of your ideas come to life! - Flexible work and vacation times: Prioritize work-life balance through our robust flexible work policy and vacation allowance. - Growth: If you're someone who loves taking the initiative and getting things done, CoW offers lots of opportunities for your individual growth. ## Referral Program Earn 6.000 USDC or USD with the refer-to-earn program. More details here. ## Culture Life within the CoW DAO is an incredible adventure! We take pride in our collaborative approach, embracing autonomy and fostering a culture of big thinking and continuous growth. We value impact, ownership, simplicity, and team spirit. Plus, we're all about feedback, coming together, and enjoying the journey along the way! **At CoW DAO, we strive to create a space where everyone feels included and empowered. We believe that our products and services benefit from our diverse backgrounds and experiences. All qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability** When applying, mention the word CANDYSHOP to show you read the job post completely. ```
Chainalysis
4 days ago
## Staff Backend Engineer → Engineering Team Lead (Alterya Team) The engineering team at **Chainalysis** is inspired by solving the hardest technical challenges and creating products that build trust in cryptocurrencies. We’re a global organization with teams in Denmark, UK, Canada, and the USA who thrive on challenging work and collaborating with exceptionally talented teammates. Our industry changes every day, and our mission is to create user-facing products supported by a flexible and scalable data platform, allowing us to adapt to rapid changes and bring immense value to our customers. We are looking for a **Staff-level Backend Engineer** who is ready to transition into an **Engineering Team Lead** role within 3–6 months for our **Alterya team**. This team operates as an innovation hub in Tel Aviv at the intersection of AI, fraud prevention, and large-scale data intelligence, where you will eventually be responsible for the growth, delivery, and technical excellence for one of its core squads. As an **Engineering Team Lead**, you will be a pivotal leader in our mission. You will lead a high-performing team of engineers building and scaling the APIs and data layers that global institutions rely on to stop crime, manage risk, and fight fraud. ### In this job, you’ll: - **Lead & Mentor:** Drive a team of experienced software engineers, providing technical guidance, career coaching, and fostering a culture of high performance and continuous learning. - **Build & Scale Data Pipelines:** Own the architecture of our ETLs and data layers. You’ll be responsible for making systems run 100x faster and handling massive data volumes with precision. - **Lead Technical Excellence:** Once in the Lead role, you will mentor a team of senior engineers, driving code quality, performance-critical flows, and architectural standards. - **Drive the Roadmap:** Partner with Product Managers to translate complex fraud-prevention requirements into robust, production-grade technical solutions. - **Optimize Everything:** From PostgreSQL queries to Kubernetes-based deployments, you will look for ways to overhaul scalability and efficiency across the stack. ### We’re looking for candidates who have: - **Deep Python Expertise:** You are a Python expert who understands the nuances of the language, and knows your way around FastAPI and serving requests at scale. - **The Data Mindset:** You have a proven track record of building and optimizing Data Pipelines, ETLs, and Big Data systems. You know how to handle data at scale. - **AI-First Engineering Mindset:** You are an "AI-First" developer who leverages AI tools to accelerate development. You understand how to support, build, and deploy tooling that employs AI (LLMs, agents, etc.) throughout the organization and tech stack. - **Seniority with Ambition:** 6+ years of backend experience. You’ve likely led projects or mentored teams and are ready to officially step into a Team Lead role. - **Database Mastery:** Strong familiarity with PostgreSQL (performance tuning is a plus), Redis, and BigQuery. - **Solid Communicator:** You are a great communicator — highly effective at coordinating with leaders and fellow leads to solve complex problems across teams. - **Startup DNA:** You prefer a "get it done" environment. You want to feel the impact of your work and thrive in a high-growth, technical culture. - **High Standards:** You take pride in clean, scalable, and testable code. ### You might also have: - Experience in Fintech, Cyber-security, or Fraud detection domains. - Deep experience with GCP (Google Cloud Platform) and Kubernetes (GKE). ### Technologies we use: - **Primary:** Python, PostgreSQL, Redis, BigQuery. - **Infra:** Google Cloud (GCP), Kubernetes (GKE), ArgoCD. ### About Chainalysis Blockchain technology is powering a growing wave of innovation. Businesses and governments around the world are using blockchains to make banking more efficient, connect with their customers, and investigate criminal cases. As adoption of blockchain technology grows, more and more organizations seek access to all this ecosystem has to offer. That’s where Chainalysis comes in. We provide complete knowledge of what’s happening on blockchains through our data, services, and solutions. With Chainalysis, organizations can navigate blockchains safely and with confidence. ### You belong here. At Chainalysis, we believe that diversity of experience and thought makes us stronger. With both customers and employees around the world, we are committed to ensuring our team reflects the unique communities around us. We’re ensuring we keep learning by committing to continually revisit and reevaluate our diversity culture. We encourage applicants across any race, ethnicity, gender/gender expression, age, spirituality, ability, experience and more. If you need any accommodations to make our interview process more accessible to you due to a disability, don't hesitate to let us know. You can learn more here. We can’t wait to meet you. When applying, mention the word **CANDYSHOP** to show you read the job post completely.
4 days ago
## **Building the Future of Crypto** Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. **What makes us different?** Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you'll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken's focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world. Before you apply, please read the **Kraken Culture** page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here. As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures. **Become a Krakenite and build the future of crypto!** ## **Proof of Work** ## **The Team** Join our Exchange team and start building the internet of money. The Exchange team is responsible for everything to do with the trading backend services such as the matching engine, market data gateways, internal and external APIs, margin systems and various other trading services. The team is located globally and responsibilities are split into sub-teams, working with various tech stacks. Our teams code in **C++**, **Go**, **Rust**, and **Python**, depending on the product they are contributing to within Kraken. This role sits within the Trading Technologies sub-team, which owns the messaging and transport layer at the core of our trading infrastructure — built on **Aeron** for ultra-low-latency, reliable UDP messaging. You'll work directly on the systems that move market data, orders, and trade events across our exchange at microsecond scale. ## **The Opportunity** - Develop and maintain core framework and key software components for the Kraken trading engine, with a focus on the Aeron-based messaging transport layer - Design and implement low-latency, high-availability messaging solutions across unicast, multicast, and IPC transport paths - Tune and profile the full system stack — CPU pinning, NUMA topology, kernel bypass, receive buffer sizing — to squeeze latency out of production infrastructure - Build and extend Aeron Archive integrations for durable message replay and stream persistence - Build and design solutions that mitigate risk, implement security, and protect both systems and data - Write reusable, testable, and efficient code - Collaborate with cross-functional teams and contribute to product roadmap accomplishment - Work collaboratively on a distributed team, leveraging soft skills to effectively communicate and engage with stakeholders ## **Skills You Should HODL** - 5+ years experience working with modern **C++** - Prior experience in at least one of the following using **Linux** — distributed and/or highly-concurrent systems; low-latency and/or high-volume transaction environments - Deep understanding of low-latency systems fundamentals: lock-free data structures, mechanical sympathy, cache-line discipline, busy-spin vs. park/wake tradeoffs - Experience with **Aeron** or comparable messaging transports (e.g. Chronicle Queue, ZeroMQ, LMAX Disruptor) highly desirable - Experience with UDP networking, multicast, and kernel-bypass techniques (e.g. DPDK, RDMA) a strong plus - Familiarity with SBE (Simple Binary Encoding) or similar zero-copy serialization formats a plus - Experience profiling and optimizing code (CPU, memory, network) — perf, flamegraphs, VTune, or equivalent - High level of proficiency in **Python**, **Rust**, and **SQL** strongly preferred - Demonstrated knowledge of order types, trading systems, and financial products is highly desirable - Cryptocurrency/Blockchain familiarity highly preferable - Proactive mindset with the ability to both prioritize tasks and adhere to aggressive deadlines - BS in a technical or quantitative field --- *Unless a specific application deadline is stated in the job posting, applications are accepted on an ongoing basis.* *Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.* *We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.* Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgeable about crypto! We may ask candidates to complete job-related skills or work assessments. As an equal opportunity employer, we don't tolerate discrimination or harassment of any kind. Whether that's based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws. ## **Stay in the Know** - Follow us on Twitter - Learn on the Kraken Blog - Connect on LinkedIn - Candidate Privacy Notice *When applying, mention the word **CANDYSHOP** to show you read the job post completely.*
4 days ago
## Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. **What makes us different?** Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you'll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken's focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world. Before you apply, please read the **Kraken Culture** page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here. As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures. **Become a Krakenite and build the future of crypto!** ## Proof of Work ### The Team We are currently seeking an experienced **Staff Software Engineer (React Native)** to join our **Pro Trading team**. The Pro team is responsible for Kraken Pro's web and mobile trading experiences across spot and futures markets. Distributed globally, the team builds and scales high-performance trading interfaces using Typescript and React, delivering fast, reliable, and intuitive experiences for advanced traders. Join the Pro team and help build the internet of money. You'll lead and grow a distributed team of engineers responsible for the frontend and mobile experience powering Kraken Pro. In this role, you'll drive technical direction, product execution, and engineering excellence across Kraken's next generation trading platform. ### The Opportunity - Own and drive the technical vision and architecture of Kraken's Pro mobile application - Build and maintain high-performance mobile applications using React Native and TypeScript - Lead initiatives to improve app performance, reliability, and scalability (e.g. startup time, responsiveness, resource efficiency) - Act as a technical leader across multiple teams, ensuring consistency and quality across a shared codebase - Partner with Product, Design, and Backend teams to deliver impactful, user-facing features - Take the lead during critical production issues, diagnosing problems and driving solutions - Define and evolve engineering standards, best practices, and tooling for mobile development - Mentor engineers and elevate the overall technical capability of the team - Stay close to the code while operating at a strategic, platform level ### Skills You Should HODL - 8+ years of experience in software engineering, with a strong focus on mobile development - Deep expertise in React Native and TypeScript - Proven experience owning or leading large-scale, production mobile applications - Strong understanding of mobile performance optimization, architecture, and debugging - Experience delivering measurable improvements to app performance (e.g. load time, stability, efficiency) - Solid knowledge of iOS and Android platforms - Experience working across multiple teams or shared platforms - Strong communication skills, with the ability to influence technical direction across teams - A proactive, ownership-driven mindset with a bias for action ### Nice to Haves - Significant experience developing micro interactions and animations in React Native - Experience building high-performance consumer or fintech applications - Familiarity with native mobile development (Swift, Kotlin, etc.) - Experience defining or scaling mobile platforms across multiple teams - Background in fast-growing or highly technical product environments - Contributions to open-source or the broader engineering community --- *Unless a specific application deadline is stated in the job posting, applications are accepted on an ongoing basis.* *Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.* *We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.* Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgeable about crypto! We may ask candidates to complete job-related skills or work samples. As an equal opportunity employer, we don't tolerate discrimination or harassment of any kind. Whether that's based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws. **Stay in the know** - Follow us on Twitter - Learn on the Kraken Blog - Connect on LinkedIn - Candidate Privacy Notice *When applying, mention the word CANDYSHOP to show you read the job post completely.*