Senior Back (TypeScript) Engineer

Senior Backend Developer - Web3 Infrastructure (Type
- Script & Rust) Location:Lausanne, Switzerland |Work Setup:Hybrid (2 days remote/week) Type:Permanent |Start Date:Flexible |Workload:80-100%Are you a backend engineer passionate about building performant, scalable systems and eager to explore cutting-edge technologies in the Web3 space? We're looking for a Senior Backend Developer to join a fast-growing De
- Fi project backed by a highly technical team and a strong crypto-native vision. 🔧 Your

--- MISSIONS ---
Architect and implement high-reliability backend services(using Type
- Script & Rust)that support core blockchain-enabled products. Build APIs, data pipelines, and internal tooling to streamline platform scalability and performance. Participate in the full development lifecycle"”from system design to testing, deployment, monitoring, and maintenance. Collaborate cross-functionally with engineering and product teams to ensure consistent, secure, and robust system behavior. Contribute to CI/CD pipelines and Dev
- Ops automation. Continuously improve code quality, performance benchmarks, and developer experience. ðŸ› ï¸ Tech Environment
- Core Stack:Type
- Script(Node. js-based microservices),Rust(growing footprint) Web3 / Smart Contracts:Solidity (EVM), Hardhat, multi-chain deployments (ETH, BSC, Arbitrum, etc. ) API / Data:GraphQL, Apollo, NoSQL, Redis
- Infra & Dev
- Ops:AWS, Docker/Kubernetes, Terraform, Git
- Hub Actions, CI/CD, monitoring with Prometheus & Grafana
- Frontend:React, TailwindCSSCulture:Clean code, code reviews, test coverage, end-to-end ownership, pragmatic use of new tech✅ What You Bring
- Must-have:Strong experience in backend engineering with
- Type
- Scriptin production environments. Solid understanding of system architecture, microservices, and containerized infrastructure. Interest in Rust and motivation to upskillin a Web3/Rust-native ecosystem. Familiarity with modern Dev
- Ops tools and CI/CD practices. Excellent communication skills in both English and French. Proven ability to thrive in fast-paced, iterative environments with a high degree of autonomy. 🌠Bonus Points
- Prior exposure to De
- Fi or blockchain technologies. Experience with protocol integrations or backend systems interacting with smart contracts. Understanding of high-availability systems and performance optimization. 🚀 Why Join
- Work on impactful Web3 infrastructure projects with real-world traction. Join a lean, collaborative team with deep technical experience and crypto-native culture. Enjoyflexible work hours, 2 remote days per week, and an agile work environment. Competitive compensation and benefits aligned with your seniority.