Node.js Back-End Engineer

Coforge Limited; Madrid; Híbrido; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

Coforge is seeking a Node.js Backend Engineer in Madrid, Spain (remote 1 day per month; must reside in Spain). The role focuses on building scalable backend systems with an emphasis on security, observability, and performance.

You will work in cross‑functional squads, promoting autonomy, ownership, and continuous improvement. You will collaborate with QA, product owners, and architects, driving best practices in testing, architecture, and deployment while mentoring junior engineers and advancing

Formación

• Proficient in Node.js backend development.
• Strong experience with TDD and domain-driven design.

Responsabilidades

• Collaborate with QA and Product Owners (3 Amigos) at story level.
• Coordinate development across stories, incidents and tasks.
• Mentor junior engineers and promote pair/mob programming and code reviews.
• Implement observability: traces, metrics, logs, and business events using Dynatrace.
• Ensure secure coding practices and guide infrastructure as code (Terraform).
• Lead testing strategies (E2E, unit, integration, contract) using TDD.
• Apply design patterns, OOD and microservices architecture.

Conocimientos

Node.js

TDD

DDD

CI/CD

Herramientas

Dynatrace

Terraform

Descripción del empleo

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.