Senior Java Software Engineer

3 days ago

Budapest, Budapest, Hungary E-Group Full time 60,000 - 120,000 per year

Ready to shape the future of high-impact enterprise systems? We're developing cutting-edge financial, identification, and energy solutions—and we're looking for Java developers who are passionate about building reliable, scalable software that matters. Here, you won't just maintain legacy code—you'll design, architect, and evolve systems that power critical real-world services. If you thrive on technical challenges and want your work to have a tangible impact, we'd love to have you on our team.

Main responsibilities:

  • Design and further develop existing and new systems (financial, identification, and energy systems)
  • Integrate new technological solutions and development proposals into our various systems
  • Actively participate in concept creation, design, specification, and development documentation
  • Perform code reviews to ensure high-quality, maintainable code
  • Collaborate with business analysts, technical leads, and project managers
  • Mentor junior developers and share knowledge across teams

We're looking for you if you:

  • Hold a degree in computer science or a related technical field
  • Have at least 5 years of backend development experience in a Java environment
  • Possess deep knowledge of databases and SQL (e.g. PostgreSQL, Oracle)
  • Have a solid background in enterprise software analysis, design, and development
  • Understand REST-based web services (Swagger/OAS3)
  • Are experienced with Spring and Spring Boot frameworks
  • Are comfortable with version control systems (GIT)
  • Have good command of English, both written and spoken

It's an advantage if you have:

  • Experience in enterprise banking, financial, or energy-related software development
  • Knowledge of NoSQL databases (e.g. MongoDB)
  • Experience with microservice architectures
  • Familiarity with frontend technologies (e.g. AngularJS, Angular, React, , Flutter/Dart)
  • Experience with DevOps, CI/CD (Jenkins), and container orchestration (Kubernetes, OpenShift)
  • Understanding of agile development methodologies and frameworks
  • Knowledge of PKI, cryptographic libraries (e.g. BouncyCastle), authentication solutions, and IAM protocols (SAML, OIDC)

What we offer:

  • Competitive compensation package
  • Friendly, family-like office atmosphere located in a green area of Buda
  • Opportunities for professional growth and career development
  • Flexible working environment with optional hybrid setup
  • Exciting opportunities to work on international projects

If you recognize yourself in this description, E-Group could be the perfect place for you.

At E-Group, we value not just your skills, but also who you are, what you aim to achieve, and the person you strive to become. We offer an environment where your expertise and personality can both make a meaningful impact.

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