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Senior Backend Engineer - Stellar Ecosystem at MLabs. Senior Backend Engineer (Node.js/TypeScript). Location: . EMEA / EU Hours - Authorised to work in EMEA. Compensation: . €90K - €130K. We are simplifying multi-chain DeFi for traditional financial institutions, fintechs, and service providers. By offering a unified API to access all on-chain liquidity across major blockchains, we enable the best price for same-chain and cross-chain swaps. We are a passionate team on a mission to enable a fairer, more decentralized world, with a heavy focus on making complex technologies accessible through superior user experience.. We are looking for multiple . Senior Backend Engineers. to lead the design, development, and maintenance of our backend systems. You will ensure our infrastructure is robust, scalable, and secure while collaborating closely with cross-functional teams—including frontend developers, product managers, and designers—to deliver high-quality software solutions.. This role reports directly to our Backend Lead. Our current tech stack includes:. Node.js. running . TypeScript. in Docker containers. MongoDB. and . Redis. for data and caching. ethers.js. for blockchain communication. GitHub, Kubernetes, AWS, and CloudFlare. for our GitOps CD chain. Please Note:. You must be located in the . EMEA or APAC. regions and have a technical understanding of blockchain to be considered for this role.. What You’ll Do. Lead Architecting:. Design, develop, and maintain scalable backend systems and APIs capable of handling growing user loads.. Code Quality:. Maintain high coding standards through rigorous code reviews and best practices for maintainability and readability.. Optimization:. Identify bottlenecks and optimize algorithms to improve system performance and availability.. Reliability:. Implement monitoring, debugging tools, and comprehensive test suites (unit, integration, and E2E).. Mentorship:. Provide technical guidance to junior developers and foster a culture of knowledge sharing.. Problem Solving:. Analyze complex technical problems and propose effective, production-grade solutions.. Location:. Must be based in the . EMEA. region.. Technical Expertise:. Strong professional experience with . TypeScript. and . Node.js. .. Blockchain Experience:. Experience working with the . Stellar network. in production environments is required. Technical understanding of the . EVM ecosystem. (or others) is a significant plus.. Seniority:. Extensive professional experience in a senior or lead-level backend role.. Infrastructure:. Solid understanding of document databases (MongoDB), caching mechanisms (Redis), and system architecture.. Testing:. Strong knowledge of testing frameworks and a proactive mindset toward quality assurance.. Communication:. Exceptional written and verbal English skills; ability to work autonomously in a remote-first environment.. Education:. A Bachelor’s or Master’s degree in Computer Science is a plus.. Bonus:. Experience with Stellar’s . Soroban. smart contracts.. Company Location: United Kingdom.