Java Engineer

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 Java Engineer to join our Engineering Team.

Responsibilities:

• 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
• Test, debug, and support the code
• Collaborate with frontend developers, DevOps engineers, and other teams

Requirements

• 5+ years of commercial experience in Java development.
• Excellent understanding of web application fundamentals using Apache Tomcat.
• Strong understanding of multithreading and concurrency in Java (ExecutorService, CompletableFuture, virtual threads, synchronization, thread safety).
• Strong knowledge of Spring/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, TestContainers, WireMock or similar tools; commitment to well-tested and reliable code.

Additional Skills:

• Experience with RabbitMQ.
• Experience with GraphQL API.
• Experience with Reactive programming.
• Experience with Spring WebFlux + Netty.
• Experience with containerization and orchestration (Docker, Kubernetes).
• Knowledge of secure coding practices (OWASP Top 10 and others).

Soft Skills:

• Ability to clearly articulate technical solutions and justify choices
• Strong teamwork and communication skills
• Proactive, self-driven, and responsible for results

Benefits

• Enjoy 3 health days to focus on your well-being.
• Take advantage of 25 paid calendar vacation days to explore, relax, and unwind.
• Get a $30 net per month sports compensation to stay active and healthy.
• Benefit from top-notch medical insurance for peace of mind.
• Indulge in a variety of snacks available in the office.
• Join us for exciting corporate events that foster team spirit and fun