Middle+/Senior Java Backend Developer

DescriptionAs 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 rollout
• Develop and maintain the backend of a high-load application
• Design and implement APIs, integrate with external and internal services
• Work with databases, write efficient SQL queries and migrations
• Optimize performance and scalability of solutions
• Ensure code compliance with internal standards and best practices
• Test, debug, and support the code
• Collaborate with frontend developers, DevOps engineers, and other teams

Requirements:

• 3+ years of commercial experience in Java development
• Understanding of web application fundamentals using Apache Tomcat
• Understanding of multithreading and concurrency in Java (ExecutorService, CompletableFuture, Virtual Threads, Synchronization, Thread safety)
• Strong knowledge of Spring Boot, including Spring MVC, Spring Security, Spring Data
• Experience building RESTful APIs
• Hands-on experience with Kafka in production/high-load environments
• Experience working with relational (PostgreSQL, MySQL) and non-relational databases (MongoDB, Redis)
• Proficient in Git and experience in team-based development
• Understanding of microservices architecture
• Solid skills in writing unit and integration tests using JUnit, Mockito or similar tools; commitment to well-tested and reliable code
• Experience writing cloud-native (Docker, Kubernetes), distributed systems in Java and Spring Boot
• Experience 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 choices
• Strong teamwork and communication skills
• Responsible, result-driven collaborator and effective communicator
• Enthusiastic to learn and grow with the team

• Enjoy 5 paid health days per year for those unforeseen sick days or medical appointments.
• Recharge your batteries with 25 paid calendar vacation days annually to explore, relax, and rejuvenate.
• Rest easy with comprehensive medical insurance coverage for employees.
• Stay active and healthy with a monthly sports allowance of $30 net to support your fitness goals.
• Enhance your language skills with English lessons facilitated by our two experienced tutors.
• Stay ahead in your field with access to conferences and professional literature to fuel your growth.
• Boost your energy and morale with complimentary snacks available in the office.
• Foster camaraderie and celebrate achievements through engaging in corporate events throughout the year.