Senior Backend Engineer - Stellar Ecosystem
MLabs
Job Overview
Location
Remote
Salary
EUR 90,000 - 130,000 yearly
Employment Type
Full-time
Work Arrangement
Remote
Sector
Information Technology & Software
Experience Level
Senior (5-8 years)
Application Deadline
May 13, 2026
About the Company
Our client is a high-growth fintech leader dedicated to simplifying multi-chain Decentralized Finance (DeFi) for traditional financial institutions, fintechs, and service providers. They provide a unified API that offers seamless access to on-chain liquidity across all major blockchains for optimized same-chain and cross-chain swaps.
The organization is driven by a mission to foster a fairer, decentralized world. They prioritize exceptional user experiences to make complex technologies accessible to a global audience, aiming to democratize access to financial services through innovative blockchain solutions.
Job Description
We are seeking experienced Senior Backend Engineers to join a leading fintech company focused on simplifying multi-chain DeFi. This role involves leading the design, development, and maintenance of robust, scalable, and secure backend systems that power seamless cross-chain swaps and DeFi access.
You will work with a modern tech stack including Node.js (TypeScript), MongoDB, Redis, and ethers.js, within a GitOps CI/CD environment using Kubernetes and AWS. This is an opportunity to contribute to a mission of enabling a fairer, decentralized world while ensuring exceptional user experiences.
Key responsibilities include architecting scalable solutions, maintaining high coding standards, optimizing performance, and ensuring system reliability through comprehensive testing. You will also mentor junior developers and document technical processes.
To apply for this role, click the Apply button on this page and follow the instructions.
Required Skills
Key Responsibilities
- Lead and participate in the design, development, and maintenance of backend systems and APIs.
- Architect and implement robust backend solutions capable of handling increasing user loads and evolving business requirements.
- Maintain high coding standards, conduct thorough code reviews, and ensure best practices for maintainability and readability.
- Identify system bottlenecks and optimize code and algorithms to improve overall performance.
- Implement monitoring and debugging tools to identify and resolve issues proactively, ensuring high system availability.
- Develop comprehensive test suites—including unit, integration, and end-to-end tests—to ensure backend reliability.
- Provide guidance to junior developers to foster technical growth within the team.
- Document code, APIs, and technical processes to facilitate knowledge sharing and streamline onboarding.
Qualifications
- Candidates must be located in the EMEA or APAC regions.
- Strong professional experience with TypeScript and Node.js is required.
- Proven experience working with the Stellar network in production environments.
- Previous experience in the blockchain space with a technical understanding of the EVM ecosystem (or other blockchain environments).
- Familiarity with Stellar’s Soroban smart contracts is a significant plus.
- Extensive professional experience in a similar role at a senior or lead level.
- Solid understanding of document databases (MongoDB), caching mechanisms (Redis), and system architecture design.
- Excellent analytical, problem-solving, and communication skills.
- Ability to work both autonomously and collaboratively in a proactive manner.
- A Bachelor’s or Master’s degree in Computer Science is considered a plus.
- Very strong written and verbal English skills for effective stakeholder communication.
Benefits & Perks
- Competitive salary range of €90,000 – €130,000 EUR
- Equity participation from day one
- 30 days of Paid Time Off (PTO)
- Flexible remote work days
- Flexible working hours
- Annual team offsites
- Choice of work computer and hardware
- Annual €1,000 personal development budget (after 6 months of tenure)
- One-time €1,000 remote work budget for office setup or coworking expenses
How to Apply
To apply for this role, click the Apply button on this page and follow the instructions.
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Join Our Communities
This role is for experienced Backend Engineers passionate about building scalable and secure systems within the Stellar ecosystem. You will lead the design, development, and maintenance of robust backend solutions, ensuring high performance and reliability. Your contributions will be vital in simplifying multi-chain DeFi for financial institutions and making complex blockchain technologies accessible globally.
Posted Date
April 2, 2026
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