Ready to take your career to the next level?
Join Amaris Consulting and work on projects that impact thousands of users worldwide. Be part of an international team, thrive in an agile environment, and grow with a integral group that values innovation and talent.
As a Backend Developer (Node.js), you will play a key role in designing and developing robust, scalable backend systems that drive global digital solutions. Your work will directly influence high‑impact products used by top‑tier international clients
What You’ll Do
- Backend development: Design, build, and maintain scalable backend systems using Node.js with Fastify.
- API development: Act as an expert in designing and implementing secure and efficient APIs.
- Database management: Work with SQL and NoSQL databases to ensure data integrity and performance.
- System architecture: Contribute to architecture decisions focusing on scalability, fault tolerance, and error recovery. Support microservices design and implementation.
- CI/CD & testing: Implement and maintain CI/CD pipelines and strong automated testing practices.




- Containerization & orchestration: Use Docker and Kubernetes (OpenShift is a plus) for deployment and system operations.
- InnerSource/Open Source: Contribute to InnerSource/Open Source initiatives to drive innovation and collaboration.
- Learning mindset: Quickly learn and apply new technologies to optimize development workflows.
- Collaboration: Participate in Agile projects, collaborating across backend and frontend initiatives.

Qualifications
Experience & Education
- Minimum 5 years of experience in software engineering developing complex and distributed applications.
- Bachelor’s degree in Computer Science, IT, or related field.

Technical Skills
- Proficiency in backend development with Node.js + Fastify.
- Experience with SQL and NoSQL databases.
- Strong understanding of software/system architecture, scalability, fault tolerance, and error recovery.
- Knowledge of CI/CD, automated test

📌 Full Stack Developer (Barcelona)
🏢 Amaris Consulting
📍 Barcelona