Kiln
Web3 company listing jobs in blockchain/crypto space
Open Positions at Kiln
26 days ago
## Senior Protocol Security Engineer As a **Senior Protocol Security Engineer** at Kiln, you’ll own the security of our smart contract products from design through production. You’ll work hands-on across smart contract audits, monitoring, incident response, and security tooling, collaborating closely with Smart Contract, Protocol, and Infrastructure teams to strengthen security and safety across the entire product lifecycle. Reporting to the VP of Security, you’ll play a key role in defining, implementing, and operating Kiln’s smart contract security posture at scale. ### Responsibilities - Protect Kiln’s production protocols across *Kiln Onchain* (dedicated staking and liquid staking protocols), *Kiln DeFi* (ERC-4626 vaults built on top of lending and RWA protocols), and *Railnet* (vault and validator infrastructure). - **Design and execute smart contract security testing**, including invariants, fuzzing, and exploratory formal verification. - **Perform internal smart contract security audits** and provide clear, actionable remediation guidance. - **Own security sign-off for smart contract releases** and act as a key decision-maker on security trade-offs. - Contribute to protocol-level threat modelling, including economic, governance, and composability risks. - **Build and maintain smart contract security tooling**: contract inventory, governance automation, monitoring, and alerting in production. - **Continuously improve Kiln’s smart contract security framework:** aligned with business growth, protocol complexity, and compliance requirements. - Act as the primary point of contact for smart contract security at Kiln, coordinating with external auditors and supporting security certifications. - Partner closely with Protocol, EVM, Infrastructure, and Product teams to embed security into design reviews, CI/CD, testing, and release workflows. *Stack:* - *Smart Contracts (EVM):* Solidity, Vyper, Foundry, Certora - *Software:* Python, Golang - *Infrastructure:* AWS, Kubernetes, Web3Signer, Hashicorp Vault, Prometheus ### Requirements - 5+ years of engineering experience in Web3, with smart contracts running in production. - Strong hands-on experience with smart contract security, including audits, reviews, or protocol design. - Solid understanding of protocol-level threat models, including MEV and oracle manipulation, governance and economic attacks, and composability or systemic risk. - Experience working with external auditors, security reviews, or certification processes. - Familiarity with bug bounty programs and vulnerability disclosure workflows. - Excellent communication skills, with the ability to explain complex security topics to both technical and non-technical stakeholders. *Nice to have* - *CTF and Bug bounty track record.* - *Contributions to open-source security or smart contract tooling.* - *Fluent (written and spoken) in both French and English.* ### About Kiln Kiln is the leading **enterprise-grade rewards platform** that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management. With **$15+ billion in crypto assets** staked through our platform, Kiln has established a strong presence on Ethereum, managing over 5.4% of the network through 50,000+ validators — all with zero slashing events. Kiln serves more than 140 leading customers, including Binance, BitPanda, Bitgo, Fireblocks, VanEck, and TrustWallet. Our team of just over 100 ecosystem enthusiasts brings experience from industry leaders like Google, Circle, Ledger, Chainalysis, and other prominent technology and cryptocurrency companies. We've raised $30M in total funding from prominent investors including 1kx, Crypto.com, Illuminate Financial, Consensys, Wintermute, Kraken Ventures... Join Kiln and help us make the web more secure, stable, decentralized, and fair! ### How Kiln will support you At Kiln, our values drive us: **Technical Excellence** ensures top security and usability; **Innovation-Driven Meritocracy** elevates groundbreaking ideas; **Trust and Transparency** build reliability through open communication; and **People First** keeps our team and clients at the heart of everything we do. - A fast-paced, bureaucracy-free work environment - Equity share options in the business: if Kiln succeeds, we all succeed! - Competitive salary - Flexible holiday - Flexible remote working - Choose your IT equipment - Internet connection: €50/month - Significant personal development budget (books, training) - Overseas tech conferences budget **Kiln is an Equal Opportunity Employer** We are committed to fostering an inclusive and diverse workplace where everyone is valued and respected. We welcome applications from all backgrounds, including women or persons with disabilities. ### Your interview process Our thorough process ensures the best fit for both you and Kiln, and we strive to make each step valuable and efficient. 1. Recruiter Interview (45 min) 2. Take-home test (< 3 hours) 3. Technical Interview (60 min) 4. Core Values Interview (45 min) 5. Founders Interview (30 min) 6. Offer! *Your personal information will be securely stored in our Applicant Tracking System (ATS) and will not be shared with external parties. We comply fully with GDPR regulations to protect your data and privacy.* *Please note that we do not sponsor visas for persons without work authorization in your location. This role is for full-time employees only (no B2B or contractors). Thank you!* When applying, mention the word CANDYSHOP to show you read the job post completely.
61 days ago
**Full time - UK or Paris based** Kiln is now part of the prestigious French Government program **#FT120** from **La French Tech**! 🎉 🇫🇷 ## **Responsibilities** * Design, develop, and deploy smart contracts on EVM-compatible blockchains: 6+ years of experience. * Write comprehensive and well-structured documentation for smart contracts and their functionalities. * Write in-depth test suite including unit tests, e2e tests, fork tests & invariant tests using Foundry’s best practices. * Participate in audits related to the smart contract codebases. * Provide technical guidance and mentorship to junior developers and team members. * Participate in product governance and incident response processes with the rest of the team. * Stay updated with the latest industry trends and technologies in blockchain and smart contract development. * Collaborate with front-end and back-end developers to integrate smart contracts with web and mobile applications. *Stack:* * *Smart-contract: Solidity + Foundry* ## **Requirements** * **Proficient in Solidity and strong understanding of the Ethereum Virtual Machine (EVM).** * **6+ years of experience with smart contract development tools** ideally including Foundry but any experience is valued (Truffle, Hardhat, Remix). * Previous work with decentralized finance (DeFi) projects. * Experience in conducting audits with top-tier auditing firms (Spearbit, Trail of Bits, Sigma Prime, …). * Strong understanding of blockchain technology and decentralized architectures. * Knowledge of smart contract security practices and common vulnerabilities. * Excellent problem-solving skills and attention to detail. * Strong communication and collaboration skills. * Fluent (written and spoken) in **English**. **Nice-to-have** * Experience with Layer 2 scaling solutions such as Optimism, Arbitrum, Base, Zksync ... * Contributions to open-source projects in the blockchain space. * Smart contract related tooling skills for scripting purposes. ## **About Kiln:** Kiln is the leading **enterprise-grade rewards platform** that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management. With **$15+ billion in crypto assets** staked through our platform, Kiln has established a strong presence on Ethereum, managing over 5.4% of the network through 50,000+ validators — all with zero slashing events. Kiln serves more than 140 leading customers, including Binance, BitPanda, Bitgo, Fireblocks, VanEck, and TrustWallet. Our team of 110 ecosystem enthusiasts brings experience from industry leaders like Google, Circle, Ledger, Chainalysis, and other prominent technology and cryptocurrency companies. We've raised $30M in total funding from prominent investors including 1kx, Crypto.com, Illuminate Financial, Consensys, Wintermute, Kraken Ventures... Join Kiln and help us make the web more secure, stable, decentralized, and fair! ## **How Kiln will support you:** At Kiln, our values drive us: **Technical Excellence** ensures top security and usability; **Innovation-Driven Meritocracy** elevates groundbreaking ideas; **Trust and Transparency** build reliability through open communication; and **People First** keeps our team and clients at the heart of everything we do. * A fast-paced, bureaucracy-free work environment * Equity share options in the business: if Kiln succeeds, we all succeed! * Competitive salary * Flexible holiday * Flexible remote working * Choose your IT equipment * Internet connection: €50/month * Significant personal development budget (books, training) * Overseas tech conferences budget **Kiln is an Equal Opportunity Employer** We are committed to fostering an inclusive and diverse workplace where everyone is valued and respected. We welcome applications from all backgrounds, including women or persons with disabilities. ## **Your interview process** Our thorough process ensures the best fit for both you and Kiln, and we strive to make each step valuable and efficient. 1. Recruiter Interview (45 min) 2. Chat with Manager (30min) 3. Technical Interview (60 min) 4. Core Values Interview (45 min) 5. Founders Interview (30 min) 6. Offer! *Your personal information will be securely stored in our Applicant Tracking System (ATS) and will not be shared with external parties. We comply fully with GDPR regulations to protect your data and privacy.* *Please note that we do not sponsor visas for persons without work authorization in your location. This role is for full-time employees only (no B2B or contractors). Thank you!* When applying, mention the word CANDYSHOP to show you read the job post completely.
68 days ago
**Site Reliability Engineer - Platform** *Full time - Paris/London hybrid or Remote from EU/UK* Kiln is now part of the prestigious French Government program **#FT120** from **La French Tech**! 🎉 🇫🇷 As a **Site Reliability Engineer - Platform** at Kiln, you'll join our Infrastructure Team to build robust and scalable cloud infrastructure. You’ll collaborate with Protocol, Smart Contract and Software Engineering teams to create tools and environments that ensure fast, secure, and reliable software delivery. This role reports to the Head of Infrastructure and plays a key part in scaling Kiln’s core platform. ## Responsibilities - Design, deploy, and maintain scalable, multi-cloud & bare metal infrastructure - Build internal tools and platforms to streamline development workflows - Ensure high service reliability, uptime, and smooth inter-service communication - Maintain strong infrastructure security practices and compliance (SOC 2) - Improve observability, alerting, and performance monitoring - Guide architectural decisions and promote infrastructure best practices - Collaborate with teams to assess risk and ensure robust delivery *Stack:* - *Infrastructure: **AWS, GCP, bare metal, Kubernetes, Terraform, Terragrunt, Prometheus, Thanos, Helm, Hashicorp Vault, FluxCD*** - *Software: Golang, Typescript, PHP, PostgreSQL, Solidity* - *Tooling: GitHub Actions, Grafana, GitOps CI/CD pipelines* ## Requirements - **5+ years in infrastructure/platform engineering (DevOps, SRE)** in high-standard environments (ideally FinTech or Crypto) - **Strong experience with Kubernetes and container orchestration** - **Proficiency in Terraform/Terragrunt and Helm for IaC and automation** - Familiar with Prometheus/PromQL and observability tooling - Experience with secure infrastructure management (e.g. Vault, KMS) - Clear and confident in technical decision-making and collaboration - **Proven interest in Web3, blockchain, cryptocurrency** — with understanding of protocols, staking, and DeFi. *Check our Tech Blog [https://www.kiln.fi/blog] and Open-Source Contribution [https://www.kiln.fi/open-source]* ## Nice-to-have - Experience building internal developer platforms - Familiarity with high-availability systems at scale - Experience designing, building and deploying user-facing, and/or API-based products - Previous work in SOC2, ISO 27001, or other certified environments - Experience with data tooling (BigQuery, Airbyte, DBT, …) ## About Kiln Kiln is the leading **enterprise-grade rewards platform** that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management. With **$13+ billion in crypto assets** staked through our platform, Kiln has established a strong presence on Ethereum, managing over 4.3% of the network through 45,000+ validators — all with zero slashing events. Kiln serves more than 140 leading customers, including Binance, Bitpanda, BitGo, Fireblocks, VanEck, and TrustWallet. Our team of 100 ecosystem enthusiasts brings experience from industry leaders like Google, Circle, Ledger, Chainalysis, and other prominent technology and cryptocurrency companies. We've raised $30M in total funding from prominent investors including 1kx, Crypto.com, Illuminate Financial, Consensys, Wintermute, Kraken Ventures... Join Kiln and help us make the web more secure, stable, decentralized, and fair! ## How Kiln will support you - A fast-paced, no bureaucratic work environment - Equity share options in the business: if Kiln succeeds, we all succeed! - Competitive salary - Flexible holiday - Flexible remote working - Internet connection paid up to €50/month - Significant personal development and tech conf budget ## Your interview process 1. Recruiter Interview (40 min) 2. Take-home test (< 2 hours) 3. Technical Interview #1 [Linux & Kubernetes] (120 min) 4. Technical Interview #2 [Problem solving & Debugging] (60min) 5. Core Values Interview (45 min) 6. Founders Interview (30 min) 7. Offer! *Please note that we are not sponsoring visas for persons without work authorization in the UK or the EU. This role is specifically for employees (no B2B or contractors) based in the EU and the UK.* When applying, mention the word CANDYSHOP to show you read the job post completely.
68 days ago
## Site Reliability Engineer - Staking **Full time - Paris/London hybrid or Remote from EU/UK** Kiln is now part of the prestigious French Government program **#FT120** from **La French Tech**! 🎉 🇫🇷 As a **Site Reliability Engineer - Staking** at Kiln, you’ll join our Infrastructure team to build the future of Kiln Validators. You will collaborate closely with Product, GTM and other Engineering teams to support the expansion of protocol offerings, deploy and operate validator nodes across networks, and ensure the scaling and performance of Kiln’s validator platform, while being the expert for protocol-related questions internally and within the broader ecosystem. ### Responsibilities * **Perform technical due diligence on new protocols** being considered for Kiln’s roadmap. * **Own the end-to-end integration of new protocols**, configure and run validator nodes from testnet to mainnet. * **Deploy and operate high-availability validator nodes infrastructures** across multi-cloud/bare metal Kubernetes environments. * **Actively contribute to IaC improvements**: observability and monitoring, scaling and performance, security and compliance, incident response and debugging. * **Act as the technical expert for your protocol domains** and promote best practices for validator operations. * **Participate in Kiln’s protocol adoption strategy**: provide insight to Product and GTM teams, liaise with protocol foundations teams, and represent Kiln in ecosystems and events. ### Stack * **Protocols:** https://docs.kiln.fi/v1/kiln-products/validators/protocols * **Infrastructure:** AWS/GCP/bare metal, Kubernetes, Terraform, Helm… * **Tooling:** GitHub Actions, FluxCD, Prometheus, Loki, Grafana… ### Requirements * **4+ years of experience as DevOps/SRE**, with strong focus on **Infrastructure-as-Code and Kubernetes.** * 1+ years of experience in blockchain / crypto engineering, with **strong understanding of Proof-of-Stake and validator operations.** * Hands-on experience running validator nodes; professionally or as a hobbyist. * **Strong troubleshooting and debugging skills**; ability to dive deep into blockchain protocol and infra-level issues. * Clear communication and confident technical decision-making; ability to work independently and collaborate across teams. ### Nice to Have * Involvement in blockchain ecosystems and tooling contributions. * Experience with high-availability systems and secure infrastructure management. * Exposure to SOC2, ISO 27001, or other certified environments. ### About Kiln Kiln is the leading **enterprise-grade rewards platform** that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management. With **$13+ billion in crypto assets** staked through our platform, Kiln has established a strong presence on Ethereum, managing over 4.3% of the network through 45,000+ validators — all with zero slashing events. Kiln serves more than 140 leading customers, including Binance, Bitpanda, BitGo, Fireblocks, VanEck, and TrustWallet. Our team of 100 ecosystem enthusiasts brings experience from industry leaders like Google, Circle, Ledger, Chainalysis, and other prominent technology and cryptocurrency companies. We've raised $30M in total funding from prominent investors including 1kx, Crypto.com, Illuminate Financial, Consensys, Wintermute, Kraken Ventures... Join Kiln and help us make the web more secure, stable, decentralized, and fair! ### How Kiln will support you * A fast-paced, no bureaucratic work environment * Equity share options in the business: if Kiln succeeds, we all succeed! * Competitive salary * Flexible holiday * Flexible remote working * Internet connection paid up to €50/month * Significant personal development and tech conf budget ### Your interview process 1. Recruiter Interview (40 min) 2. Take-home test (< 2 hours) 3. Technical Interview #1 [Linux & Kubernetes] (120 min) 4. Technical Interview #2 [Problem solving & Debugging] (60min) 5. Core Values Interview (45 min) 6. Founders Interview (30 min) 7. Offer! *Please note that we are not sponsoring visas for persons without work authorization in the UK or the EU. This role is specifically for employees (no B2B or contractors) based in the EU and the UK.* When applying, mention the word CANDYSHOP to show you read the job post completely.