Senior Backend Engineer - Stellar Ecosystem

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.
Compensation: Salary range of 90K – 130K EUR per year.
Time Off: 30 days of PTO.
Flexibility: Flexible working hours and remote days.
Equity: Participation in the company equity plan from Day 1.
Team Culture: Annual team offsites (previous locations include Thailand, Vietnam, and Marrakech).
Equipment: Entitlement to a work computer (your choice of equipment).
Growth: An annual €1,000 personal development budget (after 6 months of tenure).
Home Office: A one-time €1,000 remote budget for coworking or office setup.
Note: Independent contractors are entitled to the first five benefits listed above (Salary, PTO, Flexibility, Equity, and Offsites).
Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates.
 If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion.
We genuinely appreciate your interest and wish you the best in your job search.
Commitment to Equality and Accessibility: At MLabs, we are committed to offer equal opportunities to all candidates.
We ensure no discrimination, accessible job adverts, and providing information in accessible formats.
Our goal is to foster a diverse, inclusive workplace with equal opportunities for all.
If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing human-resources@mlabs.
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city. 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.