Company Overview
MLabs is simplifying multi-chain DeFi for traditional financial institutions, fintechs, and service providers. Our platform offers a unified API to access all on-chain liquidity across major blockchains, ensuring the best prices for same-chain and cross-chain swaps. We are a passionate, remote-first team on a mission to enable a fairer, more decentralized world by making complex blockchain technologies accessible to everyone.
Key Responsibilities
- Design and maintain highly available, low-latency APIs for quote management and system-wide status retrieval
- Develop rigorous mechanisms to ensure data integrity, including digital signature verification, timing constraints, and co-signature logic
- Build and optimize infrastructure for the immediate broadcasting of validated data to external liquidity providers and execution partners
- Integrate with data indexing services to monitor the multi-phase status of core system objects across distributed environments
- Implement advanced logic for data aggregation, caching, and partner reputation systems to ensure an optimal user experience
- Work closely with Smart Contract and Product teams to ensure seamless integration and provide comprehensive documentation for backend architecture
Requirements
- 5+ years of backend development experience building and scaling mission-critical, high-throughput services
- Expert proficiency in TypeScript/Node.js and deep experience with the NestJS framework
- Deep understanding of blockchain security primitives, transaction execution flows, and reading on-chain events/logs
- Strong ability to build fault-tolerant microservices and experience with real-time systems (WebSockets, Redis Pub/Sub)
- Solid experience with relational databases (PostgreSQL) and complex query optimization
- Ability to work autonomously, prioritize tasks effectively, and 'own' projects from end-to-end
Benefits
- Equity participation from Day 1
- 30 days of Paid Time Off (PTO)
- Annual team offsites
- A one-time €1,000 remote budget for your home office or coworking space
- An annual €1,000 personal development budget (after 6 months)
- Fully remote work within EMEA with flexible working hours
- A 'fail forward' environment that encourages bold decisions and accountability