️Title: Senior Backend Engineer (Go/Node.js)
Department: Engineering
Location: Remote within EU/UK
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
In line with our mission to bridge the Web2 to Web3 gap, we are developing a highly configurable, modular platform that powers secure SSO onboarding, dynamic routing, and real-time interactions with decentralized systems.
We are expanding our backend team with a focus on integrating critical third-party systems into our platform. This role is ideal for engineers who enjoy the complexity of designing robust services that interface with external platforms, manage transactional integrity, and act as strategic enablers for future products.
Key Responsibilities:
* Design and develop backend services using Go and Node.js.
* Build and maintain integrations with external providers through well-structured, secure APIs.
* Collaborate with product, frontend, and DevOps teams to deliver reliable, production-ready features.
* Ensure backend systems are observable, testable, scalable and resilient under load.
* Support event-driven flows with strong guarantees around state and delivery.
* Contribute to technical direction and evolution of internal tooling and integration frameworks.
* Help define and uphold best practices across engineering disciplines.
About You:
* 5+ years of backend development experience, with 3 years production-level Go and Node.js.
* Solid experience integrating with third-party APIs in live systems.
* Strong grasp of API design, security, authentication, and service reliability.
* Familiarity with distributed systems and event-based architectures.
* Comfortable with modern cloud infrastructure, Docker, IaC and CI/CD pipelines.
* Strong communicator who works well in remote-first environments.
* Passionate about clean code, maintainability, and system performance.
* Experience with Web3 and blockchain infrastructure is a plus (EVM JSON-RPC, wallet integration, event subscription).
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