Senior Java Backend Engineer — Cloud & AI Tools (Hybrid)

Sii Poland is hiring for a senior Java backend role in Warsaw, building a large-scale platform for a leading financial institution in the capital markets. You will work in a distributed team to modernize critical systems using cloud technologies, automation, and AI-assisted software development practices.

You will design and enhance cloud-based backend services, own components across their lifecycle, and collaborate with business and operational teams to boost efficiency and reliability in a