️Title: Senior Backend Engineer (NestJS)
Department: Engineering
Location: UK or Europe, Remote
About Block Labs
Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. Our diverse team drives innovation, using deep industry expertise and an extensive network to empower the next wave of blockchain-driven companies. At Block Labs, we’re passionate about turning bold ideas into breakthrough success.
About The Role
As a Senior Backend Engineer, you will design and build scalable, high-performance backend services for our growing portfolio of applications. You’ll work closely with engineering and product teams to develop robust APIs and infrastructure, ensuring security, performance, and reliability.
Key Responsibilities:
•Design, build, and maintain backend services using NestJS.
•Develop and maintain APIs, optimized for scalability and performance.
•Collaborate with product and frontend teams to deliver end-to-end features.
•Optimize database queries and caching strategies for high-throughput systems.
•Write clean, maintainable, and testable code.
•Contribute to the evolution of internal architecture and development standards.
•Participate in code reviews and technical discussions.
About You:
•5+ years of backend development experience with Node.js and TypeScript.
•3+ years working with NestJS or similar frameworks.
•Experience integrating with third-party platforms and APIs.
•Strong understanding of API design, scalability, and performance optimization.
•Experience with relational and/or NoSQL databases.
•Familiarity with DevOps tools and cloud providers.
•Strong problem-solving skills and the ability to work autonomously in a remote-first environment.
•Bonus: Experience with blockchain technologies is a plus, but not required.
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