> Markdown version of [/jobs/ext/4643847-node-js-back-end-engineer](https://www.wearedevelopers.com/jobs/ext/4643847-node-js-back-end-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Node.js Back-End Engineer - **Company:** Coforge - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Agile Methodology, Cloud Computing, Software Quality, Code Review, Databases, Continuous Integration, Software Design Patterns, DevOps, Node.Js, Object-Oriented Software Development, Scrum Methodology, Secure Coding, Software Engineering, Strategies of Testing, Multithreading, Performance Testing, Test-Driven Development (TDD), Backend, Terraform, Domain Driven Design, Dynatrace, Microservices - **Published:** November 9, 2026 - **Apply:** https://www.jobleads.com/es/job/node-js-back-end-engineer--madrid--e56c24b90a392b4e704d6ff787b07b5ab ## About the Role Skills: Node.js, TDD, DDD & CI/CD Languages Required: Spanish (native/high level) & English (Professional) ## Description Location: Madrid, Spain (Remote - Must live in Spain) - 1 day per month Skills: Node.js, TDD, DDD & CI/CD Languages Required: Spanish (native/high level) & English (Professional) About the Role We're looking for a Node.js Backend Engineer who thrives in collaborative environments and is passionate about building scalable, secure, and high-quality backend systems. Join our dynamic, product-oriented teams, where autonomy and ownership drive innovation. Functional Collaboration * Work closely with QA and Product Owners (3 Amigos model) at the story level * Coordinate development efforts across user stories, incidents, and tasks * Challenge and refine feature implementations * Guide junior engineers through implementation and best practices * Promote Pair/Mob programming and conduct code reviews * Observability: Implement and review traces, metrics, logs, and business events using tools like Dynatrace * Security: Ensure secure coding practices and mentor others * Deployability: Guide infrastructure as code (e.g., Terraform) * Code Quality & Performance: Drive best practices in async/multi-threaded code and performance testing * Scalability & Resiliency: Implement scalable, stateless services and resilient patterns (e.g., retry strategies, circuit breakers) * Testing: Lead testing strategies (E2E, unit, integration, contract) using TDD * Architecture & Design: Apply design patterns, OOD, and microservices architecture * Test Driven Development (TDD) * Domain Driven Design (DDD) * Object-Oriented Programming (OOP) * Relational, key-value, and document databases * Continuous Integration & Infrastructure as Code * Bonus: Side projects, diverse tech stack knowledge, hidden talents What We Offer * A clear career path for growth * Support from Software Engineering, DevOps, Cloud Engineers, Tech Leads, and Architects * Agile methodology (Scrum) * A collaborative, inclusive, and supportive environment You'll be part of a team that values autonomy, ownership, and continuous improvement. We work in cross-functional squads with a shared mission and strong support network-you'll never be alone.