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Java Developer at Zenith System Solutions in Belgrade, Serbia (full-time)

  • Zenith System Solutions
  • Belgrade, Serbia
  • Posted: 92 days ago
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Job Description

  • Develop, test, deploy and maintain backend services and APIs using Java.
  • Participate in designing scalable, maintainable, enterprise-wide applications & systems.
  • Ensure application performance, responsiveness and reliability.
  • Collaborate with cross-functional teams (QA, DevOps, Product Owners) to deliver features.
  • Integrate with internal and external systems via REST APIs, messaging queues or other integration mechanisms.
  • Debug, troubleshoot and resolve production issues.
  • Write clean, well-documented code; adhere to coding standards and best practices.
  • Contribute to code reviews.
  • Maintain documentation for the solutions you build (designs, operations, etc.).
  • Monitor and improve system performance; identify bottlenecks.

Requirements & Qualifications

  • Strong experience with Java SE/EE, plus frameworks like Spring / Spring Boot, Hibernate / JPA.
  • Good knowledge of relational databases (e.g. MySQL, PostgreSQL, Oracle).
  • Experience with RESTful API development.
  • Familiarity with build tools like Maven or Gradle.
  • Version control tools (e.g. Git).
  • Ability to work in an Agile development environment.

Add on:

  • Experience with microservices architecture.
  • Exposure to message brokers (e.g. RabbitMQ, Kafka).
  • Experience with CI/CD pipelines.
  • Knowledge of cloud platforms (AWS, Azure, etc.).

Salary & Compensation

Annual Salary: $50000-75000

Contact Information

About Zenith System Solutions

Zenith System Solutions, we are a trusted systems integrator specialising in end-to-end (E2E) technology solutions tailored for telecom and financial services enterprises. With over two decades of hands-on experience, our focus lies in delivering transformative outcomes across development, integration, implementation, testing, and migration services.

Our work spans across critical and fast-evolving technology landscapes—including BSS/OSS, 5G, Data Engineering, Cloud, IoT Deployments, and Digital Transformation. We empower our clients to stay ahead of the curve by blending deep industry knowledge with modern tools and agile methodologies.

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Job Details

  • Job Type Full-time
  • Location Belgrade
  • Start Date September 24, 2025