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Senior Java Engineer

DevireWarszawanofluffjobspublished 10/02/2026
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Must-have:JavaGitDockerKubernetesBackendCI/CDMicroservicesAIFinTechHealthTechSenior

Devire Outsourcing IT is a cooperation model dedicated to IT professionals, based on a B2B (business-to-business) contract model, delivering projects for leading clients running innovative and cutting-edge initiatives.

Currently, for our Client, one of the world's largest global banking and investment institutions, we are looking for a Senior Java Engineer .

Location: 3 days per week from the office in Warsaw city center

Rate: PLN 170-200 net/hour + VAT

Opportunity to work in an international environment.

Benefits package including private healthcare, sports card, and life insurance.

B2B contract via Devire.

Daily tasks

  • Design, develop, and maintain backend applications using Java and Spring Boot.
  • Build and enhance solutions based on a microservices architecture.
  • Design and implement integrations and message-processing solutions using Apache Kafka.
  • Work with containerization and orchestration technologies, particularly Docker and Kubernetes.
  • Automate deployment processes and work with GitLab CI/CD and Argo CD.
  • Monitor and analyze application performance using Prometheus, Grafana, and the Elastic Stack.
  • Collaborate with development teams and other stakeholders throughout the entire Software Development Life Cycle (SDLC).
  • Leverage modern software development support tools, including GitHub Copilot and other AI solutions such as Devin and Claude.
  • Participate in problem analysis, optimization of existing solutions, and ensuring the quality and stability of delivered software.

Requirements

7-10 years of commercial experience in IT development, particularly in Java software development.

Hands-on experience with Spring Boot.

Experience working with tools supporting the Software Development Life Cycle (SDLC), especially GitLab.

Practical knowledge of Docker and Kubernetes, including containerization and orchestration principles.

Experience with CI/CD processes.

Strong analytical and independent problem-solving skills.

Attention to code quality, detail, and software engineering best practices.

Strong communication and interpersonal skills, with the ability to collaborate effectively within a team.

Willingness to use modern AI-powered development tools, including GitHub Copilot, Devin, Claude, and similar solutions.

Must have: Java, Spring Boot, Software Development Life Cycle, GitLab, Docker, Kubernetes, GitHub