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 bottlenecksand 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 ;
Java 11+ and deep familiarity with the Spring/Spring Boot ecosystem ;
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 understandingof 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 â Coding Challenge â Video Interview â 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 Id80054 (Barcelona)
🏢 AgileEngine
📍 Barcelona