Job Summary: We are seeking a Software Developer to participate in the implementation and deployment of platform enhancements, covering the entire development lifecycle with a focus on quality and scalability. Key Highlights: 1. Participation in the implementation and deployment of platform enhancements 2. Role covering the entire software development lifecycle 3. Collaboration with multidisciplinary teams in an international environment Software Developer (Java / Spring) At Arelance, we know that people are the most important asset within a company; therefore, we invest significant effort in identifying the best professionals for our clients and offering our candidates the best projects. We are currently seeking a Software Developer to join an international technology environment, participating in the implementation and deployment of platform enhancements. The role covers the full development lifecycle—from coding and testing to documentation and production support—with emphasis on software quality, scalability, and maintainability. Responsibilities * Implementation and deployment of platform enhancements and improvements * Execution of unit and functional tests to ensure software quality * Continuous improvement of the support and customer service knowledge base * Creation and maintenance of technical documentation * Collaboration with multidisciplinary teams in an international environment * Application of best practices in development, security, and performance Essential Requirements * Solid experience in Java (versions 8 / 11 / 21\) * Knowledge of design principles and patterns oriented toward maintainable and scalable code * Experience working with WSL2 * Proficiency in Spring Framework and Hibernate * Advanced knowledge of SQL and relational database modeling * Experience in developing and integrating REST APIs * Version control with Git / GitLab * Build and dependency tools: Maven, npm * Ability to work in international environments * Languages: Spanish and English (minimum B2 oral and written) Desirable Requirements * Experience with Angular 2\+ * Knowledge and experience with agile methodologies * Experience with ElasticSearch * Messaging and middleware technologies: ActiveMQ, Kafka * Security and identity management: Keycloak, OAuth2 * Process automation with Camunda * Continuous integration and deployment (CI/CD) with Jenkins * Monitoring and logging tools What We Offer for This Position * Permanent contract with Arelance * On-site work mode with the possibility of 1 or 2 remote days per week (Sant Cugat) * Salary up to 45k SBA depending on experience provided If you are interested in this great opportunity, apply now! We want to meet you! Only candidates with valid work and residence permits in Spain will be considered Java, Spring, REST APIs, Maven, Hibernate