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Neo Group

Middle+/Senior Java Backend Developer

Riga , Latvia

AI overview

Develop and maintain high-load backend applications while designing and implementing APIs, optimizing performance, and collaborating with cross-functional teams.

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.

  • 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

Neo Group

Welcome to Neo Group – Where Growth and People Thrive!At Neo Group, our mission is crystal clear: we're driven to achieve profitability and expansion in every operating market we step into. But it's not just about the numbers; it's about fostering an environment where individuals flourish and grow. We're on a mission to establish our presence in as many regions as possible, all while ensuring that our team members are supported and empowered to reach their full potential.Our vision? To build a resilient global business that stands strong in the face of local market changes. We're committed to enhancing the quality of life and growth opportunities for everyone involved, from our employees to our partners and beyond.At the heart of everything we do are our core values: Trust, Development, Stability, People-First, and Accountability. These values aren't just words on a page – they're the guiding principles that shape our culture and drive our decisions every day.Join us at Neo Group, where we're not just building a business – we're building a community where growth and people come first.

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