Mid Java GenAI Developer

We are looking for an experienced Mid Java GenAI Developer with a strong Java backend engineering background and practical experience using AI-powered development tools.

You will design and develop scalable Java applications, REST APIs and microservices while working with modern containerisation, CI/CD and monitoring technologies. Send CV to marcillina.tietjen@dcvtechnologies.co.uk

Key Responsibilities

Mid Java GenAI Developer

Location: Warsaw, Poland

Work Model: Hybrid – 1–3 days per week onsite

Contract: Contract

Experience: 5+ years

DCV/WP/VS/29.09.2026

• Design, develop and maintain scalable, high-performance Java applications and services.

• Develop REST APIs and microservices, ensuring security, reliability and performance.

• Build and support distributed systems using modern architecture principles.

• Work with containerisation and orchestration technologies.

• Collaborate with cross-functional teams in an Agile/Scrum environment.

• Contribute to system design and code reviews.

• Perform troubleshooting, performance optimisation and production support.

• Implement and maintain CI/CD pipelines and automation frameworks.

• Monitor application performance, analyse logs and perform issue triage.

• Deliver high-quality code through unit testing and code-quality checks.

• Use AI-powered development tools to improve development productivity.

• Take ownership of deliverables and contribute to continuous improvement.

Key Requirements

• Minimum 5+ years of experience working with Java-related technologies.

• Strong Java/J2EE development experience.

• Experience with REST technologies.

• Strong experience with Spring, Spring MVC, JPA and Hibernate.

• Experience developing secure and reliable APIs for producers and consumers.

• Database experience including Oracle, MySQL and/or NoSQL.

• Experience with microservices architecture.

• Experience with Kubernetes and Docker.

• Experience with Git, Maven, Artifactory, Jenkins and CI/CD.

• Experience with logging and monitoring tools such as Splunk or Humio.

• Experience working within Agile/Scrum teams.

• Experience developing using AI tools such as Claude, Cline or other AI development tools.

• Ability to write clean, coherent and maintainable code.

• Strong communication and collaboration skills.

Important

Candidates must be able to work hybrid in Warsaw, 1–3 days per week onsite and be comfortable completing a coding assessment as part of the recruitment process.