Middle+/Senior Java Backend Developer

As part of our continued growth, Neo Group is recruiting on behalf of one of our local partners, leveraging our network of 1,400 talented professionals across 10+ countries. Together, we are committed to delivering innovative, data-driven solutions that empower our clients and foster professional growth within a dynamic and collaborative workplace. We are on the lookout for a Middle+/Senior Java Backend Developer to join our IT Department. Responsibilities: Lead the full development lifecycle: from idea to production rolloutDevelop and maintain the backend of a high-load applicationDesign and implement APIs, integrate with external and internal servicesWork with databases, write efficient SQL queries and migrationsOptimize performance and scalability of solutionsEnsure code compliance with internal standards and best practicesTest, debug, and support the codeCollaborate with frontend developers, DevOps engineers, and other teams Requirements 3+ years of commercial experience in Java developmentUnderstanding of web application fundamentals using Apache TomcatUnderstanding of multithreading and concurrency in Java (ExecutorService, CompletableFuture, Virtual Threads, Synchronization, Thread safety)Strong knowledge of Spring Boot, including Spring MVC, Spring Security, Spring DataExperience building RESTful APIsHands-on experience with Kafka in production/high-load environmentsExperience working with relational (PostgreSQL, MySQL) and non-relational databases (MongoDB, Redis)Proficient in Git and experience in team-based developmentUnderstanding of microservices architectureSolid skills in writing unit and integration tests using JUnit, Mockito or similar tools; commitment to well-tested and reliable codeExperience writing cloud-native (Docker, Kubernetes), distributed systems in Java and Spring BootExperience leveraging AI-powered coding assistants (such as Claude) to enhance productivity, code generation and refactoring Soft Skills: Ability to clearly articulate technical solutions and justify choicesStrong teamwork and communication skillsResponsible, result-driven collaborator and effective communicatorEnthusiastic to learn and grow with the team Benefits Annual salary €51,000-€69,000 grossKick off your birthday month with a bang! Not only do you get heartfelt birthday wishes from your team, but you also enjoy a fully-paid day off. Celebrate your way!Your dedication deserves more than applause. Depending on your tenure, you can snag up to 1,000€ in gift vouchers and unique souvenirs to mark your milestones with usPrioritize your health with up to 80€ gross per month for wellness activities. Stay fit, unwind, or both - on us!Enjoy two paid meals per week, facilitated by our very cool office managerInvest in your growth with 500€ annually for learning. We're investing in your future!When you need time off for health reasons, enjoy 2 fully-paid health days, plus additional days off in compliance with Latvian lawsDelight in extras like prescribed vacation, comprehensive post-probation health insurance, annual optical wear reimbursement, free parking, and fun office features like PS5 and massage chairs. Don't forget our lively team-building events - because work should be fun!