Job Summary: We are seeking a Backend Programmer Analyst specialized in microservices to develop and maintain management and back-office systems for railway platforms. Key Highlights: 1. Backend development in microservices architecture 2. API design and development with an API-First approach 3. Collaboration in data modeling and evolutionary maintenance DESCRIPTION We are looking for a **Backend Programmer Analyst specialized in microservices architecture**, to join a technology project related to the development and evolution of **management and back-office systems for railway transportation platforms**. The selected candidate will participate in the **analysis, design, development, and maintenance of backend services**, working with microservices-based architectures and contributing to the development of robust, scalable, and service-oriented solutions. Key responsibilities include **designing and developing APIs following the API-First approach**, implementing microservices using **Spring Boot**, and integrating services via both **synchronous and asynchronous communication mechanisms**. Additionally, the candidate will collaborate on **data management and modeling in relational databases**, using persistence technologies such as **JPA, Hibernate, and Spring Data**, and will participate in the evolutionary and corrective maintenance of systems. The professional will work in coordination with various technical teams within a modern development environment based on **distributed architectures, sound programming practices, and software quality**. **2 to 5 years of experience** in backend software application development, especially in microservices-based architectures. Remote work mode, with possibility of **100% telework**. Candidates located in Madrid must be available to attend the workplace up to **2 days per week** in **San Fernando de Henares**. REQUIREMENTS * Experience in developing backend applications based on **microservices architecture**. * Experience working with **Spring Boot** for backend service development. * Knowledge and experience with **JPA (Hibernate, Spring Data)** for data persistence management. * Experience in **inter-microservice communication**, both synchronous and asynchronous (e.g., JMS, Feign clients, or other messaging mechanisms). * Experience in **API design and development**, applying the **API-First Design** approach. * Familiarity with **OpenAPI and Swagger** for service documentation and definition. * Solid knowledge of **relational databases**, particularly **Oracle and PostgreSQL**. **Additional qualifications (valued but not required):** * Knowledge of **design patterns and Clean Code principles**. * Experience in **continuous integration and continuous deployment (CI/CD)** using tools such as **Jenkins, Docker, or Kubernetes**. * Familiarity with **Unix/Linux-based operating systems**. * Experience in **application testing** (unit and integration tests) using tools such as **JUnit or Mockito**. * Knowledge of **version control systems**, preferably **Git**. * Knowledge or experience with **cloud environments**, such as **AWS, Azure, or Google Cloud**.