AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.WHY JOIN USIf you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet youABOUT THE ROLEWe are looking for a Senior Java Developer to design, build, and maintain highly scalable and secure backend services and APIs for an international engineering team. You will work across Java 11+ and Spring Boot in a microservices architecture, optimize PostgreSQL and MongoDB database schemas, implement automated testing with JUnit and Mockito, and collaborate closely with frontend, product, and QA teams to deliver production-ready features. The role requires expert-level Java knowledge with strong performance optimization and code quality standards.WHAT YOU WILL DODesign, build, and maintain highly scalable, secure,



and reliable backend services and APIs;Translate application storyboards and use cases into functional, production-ready applications;Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues;Collaborate closely with frontend developers, product managers, and QA to deliver end-to-end features;Participate in peer code reviews to ensure code quality and adherence to best practices;Maintain and optimize database schemas, queries, and overall data architecture.MUST HAVES4+ years of professional backend software development experience;Expert-level knowledge of Java 11+ and deep familiarity with the Spring/Spring Boot ecosystem;Broad knowledge of backend architecture, Microservices, and RESTful APIs;Superior analytical and problem-solving ability;Experience with automated unit testing and test-driven development using JUnit and Mockito;Robust understanding of performance issues, computational complexity, mem

📌 Senior Java Developer (Madrid)
🏢 AgileEngine
📍 Madrid