Senior Java Backend Lead — Cloud, End-to-End Ownership

Sii Poland is seeking an experienced Senior Java Developer to join a team working on a large-scale Java application for a major loyalty program. The role involves analyzing business requirements and production issues to design robust solutions while collaborating with business stakeholders and product teams.

You will own features end-to-end, work with AWS, and contribute to automated tests and code reviews in a complex enterprise environment. Monthly business trips to Warsaw are required.