
Backend Developer (AI-Enabled)
emagine Polska
Porto, Portugal • 1h ago • On-site
Senior
On-site
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Quick Facts
- Role: Backend Developer (AI-Enabled)
- Core stack: Java, Quarkus
- AI tools in daily workflow: GitLab Duo, Claude Code
Description
You will build and maintain backend services and APIs using Java and Quarkus while using AI tools as an everyday accelerator for coding, testing, debugging, and code reviews. The work combines feature delivery and quality practices such as automated unit/integration testing and code reviews, plus troubleshooting issues in CI/CD pipelines. An AI-first mindset is expected for how you test, release, and improve backend services.
Responsibilities
- Design, build, and maintain backend services and APIs with Java and Quarkus
- Use AI tools (GitLab Duo, Claude Code) to speed up coding, testing, debugging, and code reviews
- Deliver backend features, bug fixes, refactors, and integrations leveraging AI to maintain quality
- Write automated unit and integration tests for backend services
- Participate in code reviews to ensure quality and engineering standards
- Troubleshoot and resolve CI/CD pipeline issues using AI-assisted root-cause analysis
- Collaborate with backend engineers, QA, and product to deliver reliable, well-tested software
Requirements
- 4+ years of hands-on backend development experience
- Java experience (Quarkus is a plus)
- Experience using AI-assisted development tools (e.g., GitHub Copilot, GitLab Duo, Claude Code) as part of a daily workflow
- Experience designing and building APIs and Java-based microservices that run reliably at production scale
- Experience writing automated unit and integration tests
- Ability to understand functional/business context before designing solutions
- Curiosity and willingness to experiment with new AI tools and integrate them responsibly
- Comfort working in a fast-moving environment where AI-assisted development practices are evolving
- Strong attention to detail, critical thinking, and problem-solving skills
- Good verbal and written communication skills in English
- Collaborative and able to manage multiple priorities
Benefits
Not specified in the provided posting.
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