Senior Backend Engineer (Stellar ecosystem)

Job Title

Senior Backend Engineer

Job Information

Date Opened: 29/04/2026

Job Type: Full-time

Work Experience: Minimum 5 years

Industry: Technology

Salary: €90-130K per year

Remote Job

Job Description

This is a remote position. This company is a Web3 player offering a unified API to access all on-chain liquidity across major blockchains in order to simplify multi-chain DeFi for traditional financial institutions, fintechs and service providers, for best price same-chain and cross-chain swaps. They are looking for a Senior Backend Engineer who will lead the design, development, and maintenance of the company's backend systems, ensuring they are robust, scalable, and secure. You'll collaborate closely with cross-functional teams, including frontend developers, product managers, and designers, to deliver high-quality software solutions that drive our success. The position will report to our Backend Lead.

MISSIONS

• Leading and actively participating in the design, development, and maintenance of backend systems and APIs.
• Architecting and implementing scalable and robust backend solutions that can handle growing user loads and evolving business needs.
• Maintaining high coding standards, conduct code reviews, and ensuring best practices for code maintainability and readability.
• Identifying bottlenecks and optimizing code and algorithms to improve system performance.
• Implementing monitoring and debugging tools to proactively identify and resolve issues, ensuring high system availability.
• Developing and maintaining comprehensive test suites, including unit tests, integration tests, and end-to-end tests, to ensure the reliability of backend systems.
• Providing guidance and mentorship to junior developers, helping them grow their technical skills.
• Analyzing complex technical problems and propose effective solutions to address them.
• Documenting code, APIs, and technical processes to facilitate knowledge sharing within the team and support onboarding of new developers.

The current tech stack consists of:

• Node.js running TypeScript code in Docker containers
• MongoDB and Redis for our data
• Ethers.js for communication with the blockchains
• Github, Kubernetes, AWS and CloudFlare for our GitOps CD chain

Requirements

• This is a remote role but you must be located in the EMEA regions (or potentially APAC region overlapping with EU hours)
• You have previous experience within the blockchain space with a technical understanding of the EVM ecosystem (or other blockchain ecosystems)
• Experience working with the Stellar network in production environments
• Strong experience with TypeScript required
• Technical understanding of blockchain
• Extensive professional experience in a similar role (senior or lead level)
• Solid understanding of document databases and caching mechanisms
• Experience in software design and system architecture
• Strong knowledge of testing frameworks and best practices
• Excellent communication, collaboration, problem-solving, and analytical skills
• Proactive mindset with the ability to work autonomously and collaboratively
• Ability to write maintainable, scalable, production-grade code
• Curiosity for new technologies and the ability to evaluate and suggest improvements independently
• Very strong written and verbal English skills for effective communication with team members and stakeholders
• Bonus: Experience with Stellar's Soroban smart contracts is a plus
• Bachelor's or Master's degree in Computer Science is a plus

Benefits

• Contract: Permanent role (Remote)
• Salary: €90-130K per year on a full-time permanent work contract.
• Annual team offsites
• 30 days of PTO
• Flexible working hours
• Equity participation from day 1
• Entitlement to work computer (choice of equipment)
• An annual €1,000 personal development budget once you have worked 6+ months (pro-rated the first year)
• A one-time €1,000 remote budget to use on coworking, office setup, etc.

Recruitment process

• Recruiter / HR Call
• Hiring Manager Interview
• Take Home Test
• Technical Interview
• Group Interview