Senior Java Full-Stack Developer – Banking Microservices

Unleash secure, scalable banking innovation — build the next generation of corporate banking through modern Java and microservices! Warsaw-based opportunity with hybrid work model — 2 days per month in the office. As a Senior Java Full-Stack Developer , you will be working for our client, one of the leaders in online banking, on the development of a corporate banking platform supporting critical business and technical processes.

You will help deliver secure, scalable, highly available applications using modern Java and Angular technologies. Working in an Agile environment with experienced development teams, you will contribute to architectural decisions, application performance, development quality, and continuous delivery. Your main responsibilities: Develop and maintain backend services using Java 17+ and Spring Boot.

Build and enhance frontend applications with Angular 20+ and JavaScript. Design and implement solutions based on microservices architecture. Develop synchronous and asynchronous integrations using REST APIs, web services, and messaging technologies.

Build scalable, highly available, and performant applications. Work with relational databases, preferably Oracle. Apply software engineering best practices, including code reviews, automated testing, and application builds.

Contribute to the automation of testing, deployment, logging, and monitoring processes while using tools such as Claude Code and Codex to support daily engineering tasks. You're ideal for this r