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 US

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! ABOUT THE ROLE

We 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 DO

Design, 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 HAVES

4+ 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, memory management, and code optimization; Familiarity with industry-standard algorithms, design patterns, and PostgreSQL, MongoDB, or other relational/NoSQL databases; Effective communication skills to work with different teams across an international company; Upper-intermediate English level. PERKS AND BENEFITS

Professional growth : Mentorship, TechTalks, and personalized growth roadmaps. Competitive compensation : USD-based pay with education, fitness, and team activity budgets. Exciting projects : Modern solutions with Fortune 500 and top product companies. Flextime : Versátil schedule with remote and office options. Meet Our Recruitment Process

Application - Coding Challenge - Video Interview - Technical Interview or Hiring Manager Interview Each step helps us understand your skills and overall fit. If it’s a match, you’ll receive an offer.

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📌 Senior Java Developer (Madrid)
🏢 AgileEngine
📍 Madrid