Senior Backend Engineer, Go/Node.js
BlockLabs
- Málaga
- Permanente
- Tiempo completo
- 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.
- 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).