MLabs is looking for a Senior Software Engineer to build the core backend for our high-performance platform. You will take full ownership of critical projects—from APIs and microservices to databases and developer tooling—ensuring all systems remain fast, reliable, and secure. This role involves making key architectural decisions and refining processes to handle demanding financial workloads.
What You'll Do
- Design, build, and maintain secure, scalable backend services and RESTful APIs.
- Architect databases and microservices optimized for performance, reliability, and long-term growth.
- Manage the full software development lifecycle from initial requirements to production deployment and iteration.
- Troubleshoot complex technical issues, resolve performance bottlenecks, and ensure system resilience.
- Contribute to CI/CD pipelines, observability, and the continuous improvement of development standards.
- Partner with product and security teams on technical roadmaps and strategic direction.
- Maintain comprehensive system documentation and support client-facing technical discussions.
What We're Looking For
- 8+ years of backend software engineering experience within the fintech or blockchain sectors.
- Strong expertise in TypeScript.
- Proficiency in at least one low-level language such as Rust, Go, or C++.
- Proven track record of building scalable APIs, infrastructure, and developer tools.
- Expert-level knowledge of databases (PostgreSQL, DynamoDB, NoSQL) and AWS services.
- Skilled in microservices architecture, CI/CD pipelines, observability, and Secure Software Development Lifecycle (SSDLC) practices.
- Familiarity with applied cryptography, Public Key Infrastructure (PKI), and backend security fundamentals.
- Strong problem-solving abilities, clear communication skills, and the capacity to deliver high-quality results under pressure.
Nice to Have
- Location in France or Paris or as close as possible.
Technical Stack
- Languages: TypeScript, Rust, Go, C++
- Databases: PostgreSQL, DynamoDB, NoSQL
- Infrastructure: AWS
Team & Environment
You will work in close collaboration with product, security, and leadership teams.
Benefits & Compensation
- Compensation: $160K - $240K + equity: 100–200 stock options vested over a 4-year period.
- Comprehensive healthcare coverage.
- 401K participation.
- MacBook Pro and essential home-office hardware provided.
- Coverage for professional travel expenses.
Work Mode
This is a remote-first hybrid role for candidates based in the US or European Union, with optional office access.
At MLabs, we are committed to offering equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats.





