von: Finders SA | Ort: Lausanne

Senior Backend Developer – Web3 Infrastructure (TypeScript & Rust)Senior Back-End Engineer – TypeScript/RustSenior Backend Developer – Web3 Infrastructure (TypeScript & 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 DeFi project backed by a highly technical team and a strong crypto-native vision.Senior Back-End Engineer – TypeScript/RustYour Mission- Architect and implement high-reliability backend services (using TypeScript & 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 DevOps automation.- Continuously improve code quality, performance benchmarks, and developer experience.Tech Environment- Core Stack: TypeScript ( microservices), Rust (growing footprint)- Web3 / Smart Contracts: Solidity (EVM), Hardhat, multi-chain deployments (ETH, BSC, Arbitrum, etc.)- API / Data: GraphQL, Apollo, NoSQL, Redis- Infra & DevOps: AWS, Docker/Kubernetes, Terraform, GitHub Actions, CI/CD, monitoring with Prometheus & Grafana- Frontend: React, TailwindCSS- Culture: Clean code, code reviews, test coverage, end-to-end ownership, pragmatic use of new techWhat You Bring- Must-have: Strong experience in backend engineering with TypeScript in production environments.- Solid understanding of system architecture, microservices, containerized infrastructure and Web3 products.- Interest in Rust and motivation to upskill in a Web3/Rust-native ecosystem.- Familiarity with modern DevOps 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 DeFi 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.- Enjoy flexible work hours, 2 remote days per week, and an agile work environment.- Competitive compensation and benefits aligned with your seniority. jid3bbd72aafr jit0206afr jpiy26afr