Middle Java Backend Developer – GenAI

DCV Technologies is hiring a Mid-Level Java Backend Developer for a high-performing engineering team delivering scalable, secure, and modern Java-based applications and services for a leading global client. The role is based in Warsaw, Poland with a hybrid work model.

• 5+ years of professional experience working with Java and related technologies.
• Strong hands-on experience with Java / J2EE, REST APIs, Spring / Spring MVC, and JPA / Hibernate.
• Experience designing and developing secure, reliable, scalable, and high-performance APIs.
• Strong database knowledge including Oracle, MySQL, and at least one NoSQL database.
• Practical experience with microservices architecture and distributed systems.
• Hands-on experience with Docker and Kubernetes or similar technologies.
• Experience with Git, Maven, Artifactory, Jenkins, and CI/CD.
• Experience with application monitoring and log-analysis tools such as Splunk or Humio.
• Ability to write clean, maintainable, testable, and well-structured Java code.
• Experience working in an Agile/Scrum environment.
• Hands-on experience with AI-assisted development tools such as Claude, Cline, GitHub Copilot, or similar.
• Strong communication and collaboration skills.
• Strong sense of ownership for quality, delivery, and production stability.
• Open to completing a coding/technical assessment.
• Comfortable with the hybrid working model requiring 1–3 days per week from the client office in Warsaw.
• Available to work on a B2B contract.
• Comfortable with the indicated compensation range of PLN 1,100–1,200 per day.

• Design, develop, test, and maintain scalable Java backend applications and services.
• Develop and maintain REST APIs and microservices.
• Build and support distributed applications using modern software architecture principles.
• Work with Docker, Kubernetes, and containerized environments.
• Participate in system design, code reviews, troubleshooting, and performance optimization.
• Develop and maintain CI/CD pipelines and deployment automation.
• Support production applications, including log analysis, troubleshooting, and incident resolution.
• Apply best practices around unit testing, code quality, security, and maintainability.
• Use AI-powered development tools to improve developer productivity, code quality, and delivery efficiency.
• Identify opportunities for automation and continuous improvement.
• Collaborate with cross-functional teams in an Agile/Scrum environment.
• Take ownership of technical deliverables and ensure timely, high-quality delivery.

Candidates must be available to work on a B2B contract and comply with the hybrid working model requiring 1–3 days per week at the client office in Warsaw. The compensation range is PLN 1,100–1,200 per day. The administrator of personal data is stated with rights information regarding personal data processing, data provision obligations, and consent withdrawal for recruitment processes.