node.js developer for scalable microservices

BETWEEN Group provides technology-sector services and works on projects involving BI, IoT, Big Data, R&D, Service Desk, IT infrastructure, software development, Cloud, and digital transformation.

• Develop backend applications using Node.js, NestJS, and TypeScript;
• Design, implement, and evolve microservices-based architectures;
• Build scalable, maintainable, and high-quality solutions;
• Participate in the product’s technical evolution and architecture decisions;
• Apply SOLID principles, Clean Code, and software engineering best practices;
• Design and develop APIs and backend services;
• Collaborate closely with developers, architects, and technical leads;
• Ensure code quality, performance, and maintainability;
• Participate in code reviews and define technical standards;
• Work in agile environments with multidisciplinary teams.

• 3–4 Years of experience as a Backend Developer;
• Solid experience with Node.js, NestJS, and TypeScript;
• Experience working with microservices architectures;
• Practical knowledge of DDD (Domain-Driven Design);
• Experience applying Hexagonal Architecture or Clean Architecture;
• Knowledge of SOLID principles and development best practices;
• Experience working in agile and collaborative environments;
• Nice to have: experience with AI or process automation, experience integrating tools such as n8n, experience with AWS, knowledge of Python and Go, knowledge of CI/CD, DevOps, and Infrastructure as Code (IaC).

• Medical insurance included;
• Personalized training plan and access to certifications;
• Flexible compensation with tax benefits;
• Discounts on various services and sports centers;
• Continuous support from the Talent team;
• Stable, long-term technology projects;
• Real opportunities for professional growth and development;
• Employment is indefinite;
• The position is fully remote from Spain.