Backend Developer Node.js (DDD & Hexagonal Architecture)
BETWEEN Technology·Remote, Spain
The employer limits where this remote role can be done: Full Remote desde España
What they offer
Permanent contract
Per the ad.
Fully remote
Full Remote desde España
What they ask for
Have the right to work in Spain
BETWEEN Technology doesn't mention sponsorship in the ad.
Speak native-level Spanish
Listed as a requirement in the ad.
Have 3+ years of experience
Mid-level role.
Pulled from the advert automatically — the full ad is what counts.
About the role
At BETWEEN we bet on the best talent in the technology sector. We get involved in a wide variety of cutting-edge projects, working with the latest technologies.
We work in areas such as BI, IoT, Big Data, and R&D. In the Operations area, we implement projects for Service Desk, IT Infrastructure, software development, Cloud, and digital transformation projects, among others.
Currently, we are selecting a Backend Developer specialized in Node.js, NestJS, and TypeScript to join one of our main clients on a permanent basis.
What you'll do
💻 Develop backend applications using Node.js, NestJS, and TypeScript.
🏗️ Design, implement, and evolve microservices-based architectures.
🚀 Build scalable, maintainable, and high-quality solutions.
🔄 Actively participate in the technical evolution of the product and in architectural 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 managers.
✅ Ensure code quality, performance, and maintainability.
📝 Participate in code reviews and the definition of technical standards.
⚙️ Work in agile environments alongside multidisciplinary teams.
What you'll get
- Health insurance included for being a Betweener.
- Opportunity to be part of a growing company nationally and internationally.
- Personalized training plan and access to certifications.
- Flexible compensation with tax advantages.
- Access to discounts on various services and sports centers.
- Continuous support from our Talent team.
- Involvement in stable, long-term technology projects.
- Real opportunities for growth and professional development.
How you'll work
🌍 Full Remote modality from Spain.
Requirements
✅ Between 3 and 4 years of experience as a Backend Developer.
✅ Solid experience developing 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 like n8n.
☁️ Experience working with AWS.
🐍 Knowledge of Python and Go.
🚀 Knowledge of CI/CD, DevOps, and Infrastructure as Code (IaC).
Additional information
- At BETWEEN we promote equal opportunities and champion talent regardless of gender, age, origin, religion, sexual orientation, or disability.
About the role
En BETWEEN apostamos por el mejor talento dentro del sector tecnológico. Nos involucramos en una gran variedad de proyectos punteros, trabajando con las últimas tecnologías.
Trabajamos en ámbitos como BI, IoT, Big Data e I+D. En el área de Operaciones implantamos proyectos de Service Desk, Infraestructuras IT, desarrollo de software, Cloud y proyectos de transformación digital, entre otros.
Actualmente, seleccionamos un/a Backend Developer especializado/a en Node.js, NestJS y TypeScript para incorporarse de forma indefinida en uno de nuestros principales clientes.
What you'll do
💻 Desarrollar aplicaciones backend utilizando Node.js, NestJS y TypeScript.
🏗️ Diseñar, implementar y evolucionar arquitecturas basadas en microservicios.
🚀 Construir soluciones escalables, mantenibles y de alta calidad.
🔄 Participar activamente en la evolución técnica del producto y en decisiones de arquitectura.
🧩 Aplicar principios SOLID, Clean Code y buenas prácticas de ingeniería del software.
📡 Diseñar y desarrollar APIs y servicios backend.
🤝 Colaborar estrechamente con desarrolladores, arquitectos y responsables técnicos.
✅ Garantizar la calidad, rendimiento y mantenibilidad del código.
📝 Participar en revisiones de código y definición de estándares técnicos.
⚙️ Trabajar en entornos ágiles junto a equipos multidisciplinares.
What you'll get
- Seguro médico incluido por ser Betweener.
- Posibilidad de formar parte de una empresa en pleno crecimiento a nivel nacional e internacional.
- Plan de formación personalizado y acceso a certificaciones.
- Retribución flexible con ventajas fiscales.
- Acceso a descuentos en diferentes servicios y centros deportivos.
- Acompañamiento continuo por parte de nuestro equipo de Talent.
- Participación en proyectos tecnológicos estables y de larga duración.
- Oportunidades reales de crecimiento y desarrollo profesional.
How you'll work
🌍 Modalidad Full Remote desde España.
Requisitos
✅ Entre 3 y 4 años de experiencia como Backend Developer.
✅ Experiencia sólida desarrollando con Node.js, NestJS y TypeScript.
✅ Experiencia trabajando en arquitecturas de microservicios.
✅ Conocimiento práctico de DDD (Domain-Driven Design).
✅ Experiencia aplicando Arquitectura Hexagonal o Clean Architecture.
✅ Conocimientos de principios SOLID y buenas prácticas de desarrollo.
✅ Experiencia trabajando en entornos ágiles y colaborativos.
Valorable
🤖 Experiencia con IA o automatización de procesos.
🔗 Experiencia integrando herramientas como n8n.
☁️ Experiencia trabajando con AWS.
🐍 Conocimientos de Python y Go.
🚀 Conocimientos de CI/CD, DevOps e Infrastructure as Code (IaC).
Additional information
- En BETWEEN promovemos la igualdad de oportunidades y apostamos por el talento sin distinción de género, edad, origen, religión, orientación sexual o discapacidad.
You'll most likely need Spanish to apply.This job was automatically translated to English, .
About the company
BETWEEN Technology
IT and Engineering Consulting