Senior Java Backend Engineer — Real-Time FinTech Trading (Newcastle)

Client Server Ltd. in Newcastle upon Tyne is seeking a Backend Software Engineer (Java) to modernise a complex trading system. You will join onsite, leading backend Java development for real-time, secure trading platforms.

The role requires strong multithreaded Java skills, knowledge of financial markets, and experience with high-performance systems. Familiarity with Claude AI is a plus, and a 2:1 degree in Computer Science or equivalent is expected.