Senior Java Developer (hybrid from Wrocław or Cracow)

The role is within a banking-sector team focused on taking over tasks from another vendor, developing new functionalities, and maintaining a production application.

• Proven experience with Java and Spring Framework (including Spring Boot) in production systems.
• Practical knowledge of one or more relational databases (design, SQL, performance tuning).
• Experience with Redis or another Key-Value store in a production context.
• Familiarity with TypeScript and React to collaborate effectively on full-stack delivery.
• Track record of taking over existing codebases and delivering stable transitions from other vendors or teams.
• Strong problem-solving skills, attention to quality, and experience with testing and CI/CD practices.
• Good communication skills and the ability to work effectively in a hybrid, cross-functional team.

• Take over and smoothly transition tasks and codebases from an external vendor, ensuring continuity and quality.
• Design, implement and deliver new backend features using Java and Spring (Core, Boot).
• Maintain and enhance existing application functionality, including bug fixes, performance tuning, and refactoring.
• Work with relational databases (design, queries, optimizations) and integrate Key-Value stores such as Redis.
• Collaborate with front-end engineers using TypeScript and React to deliver end-to-end features and APIs.
• Participate in code reviews, provide constructive feedback, and follow team development practices.
• Contribute to architectural decisions, documentation, and cross-team knowledge transfer.