Senior Java Backend Engineer – Real-Time FinTech Trading

Client Server; Newcastle upon Tyne; On-site; GBP 108,000 - 132,000; Full time

Benefits offered by this job

Salary to £120k + Bonus

25 days holiday

Social team atmosphere

Job summary

Client Server in Newcastle is seeking a Backend Software Engineer to drive Java-based development within finance/trading environments.

You will transform a legacy C++ trading system into a modern Java platform, collaborating with Front Office teams and other engineers to deliver real-time, low-latency systems.

The role is full-time onsite in Central Newcastle with a competitive package and opportunities to shape high-profile trading infrastructure.

Qualifications

• Minimum 2.1 BSc in Computer Science or related, from a top-tier/Russell Group university with strong A-levels.
• Solid backend Java development experience, including multithreading.
• Experience with trading systems and knowledge of financial markets.
• Understanding of real-time systems and latency considerations.
• Familiarity with C++ would be beneficial.

Responsibilities

• Transform a legacy C++ trading system into a modern Java-based platform.
• Collaborate with Front Office trading teams and other engineers to deliver robust, real-time systems.
• Contribute to secure, scalable, low-latency trading infrastructure.

Skills

Java backend

Multithreaded Java

Trading systems knowledge

Low-latency design

Education

2.1 BSc in Computer Science or related

Tools

Claude AI

Job description

Client Server in Newcastle is seeking a Backend Software Engineer to drive Java-based development within finance/trading environments.

You will transform a legacy C++ trading system into a modern Java platform, collaborating with Front Office teams and other engineers to deliver real-time, low-latency systems.

The role is full-time onsite in Central Newcastle with a competitive package and opportunities to shape high-profile trading infrastructure.