Nexus
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## About Nexus Nexus is building the foundation for verifiable finance, an economic system where every transaction, order, and settlement can be proven on-chain with cryptographic assurance. To do this we’re developing a DEX Layer 1 blockchain purpose-built for the AI economy, powered by idle compute from millions of people around the world, and verified with zero-knowledge proofs. This is finance rebuilt for the future: verifiable, scalable, and open to all. Nexus has raised $25M in Series A funding from Lightspeed, Pantera, Dragonfly, SV Angel, and more. Design is a core function at Nexus. We believe great products emerge from first-principles thinking, deep user understanding, and close collaboration across design, product, and engineering. ## The Role We’re hiring a **Senior Product Designer** to lead end-to-end design for complex, high-stakes products at the intersection of Web3, financial infrastructure, and user trust. In this role, you’ll independently own large problem spaces — from defining the right problems to shipping high-quality, production-ready solutions. You’ll act as a thought partner to product, engineering, and founders, using design thinking and first-principles reasoning to shape product direction. This role is ideal for someone who wants both hands-on craft and strategic impact in a fast-moving Web3 environment. ## What You’ll Do ### Design Leadership & First-Principles Thinking - Break down ambiguous, complex product challenges into core user needs and system constraints - Challenge assumptions and legacy UX patterns common in financial, exchange, and crypto products - Apply structured design thinking to drive clarity, alignment, and momentum across teams - Set a high bar for quality, usability, and user trust across the product - Mentor and support more junior designers as the team grows ### End-to-End Product Ownership - Lead design for major product areas from discovery through launch and iteration - Navigate multiple product contexts simultaneously, balancing priorities and maintaining design consistency across the Nexus ecosystem - Translate complex Web3 concepts — trading flows, wallets, transactions, permissions, and security — into intuitive, user-centered experiences - Balance user needs, business goals, and technical constraints in decision-making ### UX & Interaction Design - Design scalable interaction patterns and user flows for high-complexity, high-stakes systems - Identify and mitigate usability, trust, and edge-case risks early in the design process - Advocate for clarity, accessibility, and consistency across the product surface ### Visual & UI Craft - Produce polished, production-ready UI with strong attention to detail - Own and evolve key parts of the design system to support scale and development speed - Partner closely with engineers to ensure thoughtful, high-quality execution ### Research & Insight - Lead and conduct user research, from exploratory interviews to usability testing - Synthesize qualitative and quantitative insights into clear design and product recommendations - Use research to inform both tactical decisions and broader product strategy ### Collaboration & Influence - Work as a close partner to product managers, engineers, and founders - Clearly communicate design rationale, tradeoffs, and decisions to diverse stakeholders ## What Success Looks Like - Complex Web3 and exchange workflows that feel intuitive, trustworthy, and accessible - Design systems and interaction patterns that scale with product and engineering velocity - Strong cross-functional alignment driven by clear design thinking and communication - Meaningful improvements in usability, clarity, and user confidence across Nexus products - Design functioning as a key driver of both product strategy and execution ## What We’re Looking For ### Experience & Skills - 6–10+ years of experience in product design, UX design, or related roles - Strong portfolio demonstrating senior-level ownership, first-principles thinking, and end-to-end impact - Proven experience designing complex, systems-driven, or trust-critical products (e.g., fintech, crypto, platforms, exchanges) - High level of proficiency with modern design tools such as Figma ### Mindset - Deeply user-centered, analytical, and curious - Operates as a self-starter, independently identifying, owning, and driving product enhancements end to end - Comfortable operating in ambiguity and driving clarity independently - Able to move fluidly between strategy and detailed execution ### Collaboration - Strong communicator who builds trust across disciplines - Comfortable giving and receiving candid, constructive feedback - Effective working in a remote-first, cross-functional environment ### Bonus Points - Experience designing crypto, DeFi, or financial exchange products - Hands-on experience with Web3 products, wallets, or on-chain UX - Background in fintech, payments, trading, or security-sensitive systems - Early-stage startup experience - Familiarity with front-end development or design engineering ## Why Join Nexus - Be a foundational senior designer with significant influence over product and design direction - Work on high-impact problems at the frontier of decentralized and verifiable finance - Competitive compensation, meaningful equity, and token participation - Opportunity to define design systems, processes, and culture from an early stage When applying, mention the word **CANDYSHOP** to show you read the job post completely.
## About Nexus Nexus is building the foundation for verifiable finance, an economic system where every transaction, order, and settlement can be proven on-chain with cryptographic assurance. To do this we’re developing a DEX Layer 1 blockchain purpose-built for the AI economy, powered by idle compute from millions of people around the world, and verified with zero-knowledge proofs. This is finance rebuilt for the future: verifiable, scalable, and open to all. Nexus has raised $25M in Series A funding from Lightspeed, Pantera, Dragonfly, SV Angel, and more. ## Location: Remote (Buenos Aires, Argentina) ## Type: Contract ## Duration: 12 months with potential for extension ## The Role We’re hiring a **Senior Infrastructure Engineer** in Latin America to design and scale the core infrastructure supporting Nexus’s Layer 1 blockchain and its high-performance DEX, enshrined at the protocol layer. This role is centered on low-latency, high-throughput distributed infrastructure, supporting mission-critical financial workloads that demand determinism, fairness, and resilience. You’ll collaborate closely with product, protocol, and cryptography teams while contributing remotely from Argentina or broader LATAM. This position offers the opportunity to work on infrastructure that sits at the heart of a global execution system — ensuring reliability from public testnet through mainnet and institutional-grade performance. ## What You’ll Do - Architect and implement the distributed infrastructure powering Nexus’s L1 blockchain and high-performance DEX. - Optimize consensus and transaction pipelines for speed, determinism, fairness, and low latency. - Build secure, production-grade systems that meet the performance requirements of modern financial exchanges. - Develop and maintain high-availability, fault-tolerant infrastructure across cloud and distributed environments. - Offer best practices for reliability, observability, performance engineering, and secure operations. ## What Success Looks Like - A stable, enterprise-grade mainnet with high availability and sub-second transaction finality. - A DEX achieving low-latency execution comparable to centralized trading systems while remaining decentralized. - Infrastructure, tooling, and developer workflows enabling less than 10 minutes from onboarding to first transaction. - High-frequency trading benchmarks met or exceeded. - An engineering environment that scales effectively without compromising reliability or code quality. ## What We’re Looking For ### Must-Have - 6–10+ years of software engineering experience, with at least 3+ years in infrastructure or distributed systems roles. - Strong programming experience in Rust (preferred), Go, or another systems language. - Deep expertise in low-latency, high-throughput, or distributed systems (HFT, exchanges, runtimes, consensus systems, etc.). - Hands-on experience with container orchestration systems such as Kubernetes and Docker. - Experience building and maintaining observability systems, including metrics, tracing, and logging frameworks (e.g., Prometheus, Grafana, OpenTelemetry). - Proficiency with Infrastructure-as-Code tools such as Terraform, Pulumi, or CloudFormation. - Deep knowledge of at least one major cloud provider (AWS, GCP, or Azure), including networking, compute, security, and distributed workloads. - Ability to design and operate secure, fault-tolerant, production-grade infrastructure. - Excellent written and spoken Business English. ### Bonus Points: - Experience running distributed blockchain infrastructure, validator networks, or Layer-1 systems. - Knowledge of MEV mitigation, transaction ordering fairness, or decentralized exchange infrastructure. - Experience optimizing consensus or transaction pipelines for determinism and low latency. - Familiarity with zero-knowledge proofs or cryptography. ## Why Join Us - Build the distributed infrastructure behind a next-generation Layer 1 blockchain and global DEX. - Work on systems where infrastructure performance directly shapes the end-to-end trading experience. - Collaborate with top engineers in AI, cryptography, runtime systems, and distributed consensus. - Shape primitives and infrastructure designed for long-term correctness, performance, and global scale. - Join a high-performance engineering culture where deep technical work is valued and expected. When applying, mention the word **CANDYSHOP** to show you read the job post completely.