Low-Latency Java Engineer, Trading Infrastructure (London)

eFinancialCareers; Greater London; On-site; GBP 70,000 - 120,000; Full time

Benefits offered by this job

26 days annual leave

Private health/dental/optical

Income protection

Pension

Gym subsidy

Catered lunch daily

Job summary

eFinancialCareers in London is seeking a low-latency Java developer to join the team building client-facing trading infrastructure. You will design and maintain proprietary systems, handle order management, exchange connectivity, and routing, across frontend to backend, in a fast-paced environment.

Ideal candidates have 2-7 years shipping high-performance code in Java/Go/C++, with optional Python and databases.

Qualifications

• Strong experience in Java, Go or C++ building distributed, scalable systems.
• 2-7 years shipping and maintaining highly optimised code.
• Knowledge of Python, high-concurrency, low-latency environments and relational databases is useful.
• CS, Computer Engineering or equivalent background.

Responsibilities

• Designing and maintaining proprietary low-latency trading systems, front-to-back.
• Order management, exchange connectivity, smart order routing, internalisation and clearing.
• Building tools on top of a high-performance platform used by hundreds of clients.
• Scalability and performance work across the stack.
• A mix of projects—from frontend-facing to backend infrastructure in different languages.

Skills

Java

Go

C++

Python

Relational databases

High-concurrency systems

Education

CS or Computer Engineering background

Job description

eFinancialCareers in London is seeking a low-latency Java developer to join the team building client-facing trading infrastructure. You will design and maintain proprietary systems, handle order management, exchange connectivity, and routing, across frontend to backend, in a fast-paced environment.

Ideal candidates have 2-7 years shipping high-performance code in Java/Go/C++, with optional Python and databases.