Java Full-Stack Engineer (DRWN)

Job title - Senior Java Full-Stack Engineer

Client Location - Budapest, Hungary

Remote work offering - 40% (hybrid, 3 days per week on-site)

Client Industry - Education Technology

Contract Length - 12 months, with potential extension

Contract type - Freelance

Project focus

You will help evolve and modernise large, established enterprise backend and platform systems, moving legacy and monolithic applications towards scalable, maintainable services. The work covers architecture improvements, API and service design, cloud engineering on AWS and/or Azure, and raising engineering standards around testing and delivery, with AI-assisted development tools used day to day.

Key skills and Experience required

• Senior-level software engineering background on backend systems or platform engineering
• Strong hands-on Java with modern backend development practices
• Spring Framework / Spring Boot or a comparable backend framework
• Proven track record modernising legacy systems or breaking down monolithic applications
• API design and service-to-service communication
• Trunk-based development, CI/CD pipelines and automated testing strategies
• Cloud-based architecture on AWS and/or Microsoft Azure
• Practical, everyday use of AI-assisted coding tools such as GitHub Copilot or Cursor
• Able to work autonomously and own technical deliverables within a contract engagement
• Bonus: React or similar frontend, observability/performance/reliability work, large long-lived platforms, EdTech or learning platforms

If this role is of interest, please apply with an updated CV.

Desired Skills and Experience

* Senior-level software engineering background on backend systems or platform engineering
* Strong hands-on Java with modern backend development practices
* Spring Framework / Spring Boot or a comparable backend framework
* Proven track record modernising legacy systems or breaking down monolithic applications
* API design and service-to-service communication
* Trunk-based development, CI/CD pipelines and automated testing strategies
* Cloud-based architecture on AWS and/or Microsoft Azure
* Practical, everyday use of AI-assisted coding tools such as GitHub Copilot or Cursor
* Able to work autonomously and own technical deliverables within a contract engagement
* Bonus: React or similar frontend, observability/performance/reliability work, large long-lived platforms, EdTech or learning platforms

Darwin Recruitment is acting as an Employment Business in relation to this vacancy.