Senior C++ Backend Engineer - Front Office Trading (London)

Client Server Limited; Greater London; Hybrid; GBP 75,000 - 125,000; Full time

Benefits offered by this job

Pension

Life Assurance

One day work from home per week

Healthcare access

Employee Assistance Programme

Retail discounts

Continuous training and progression

Job summary

Client Server Limited in London is seeking a senior C++ Software Engineer to redevelop a core equity trading system for the EMEA market. You’ll work primarily on the backend using C++17/20 on Linux, delivering high-volume, data‑driven solutions with a touch of low-latency work.

This Front Office role provides direct exposure to traders and ownership from design to delivery, with a London base and one day per week from home.

Qualifications

• Strong C++ backend development experience.
• Experience working with traders in Front Office trading environments.
• Excellent communication and stakeholder management skills.
• Solid CS fundamentals: OOP, design patterns, data structures.

Responsibilities

• Redevelop and customise a core equity trading system for the EMEA market.
• Build robust, high-volume data intensive backend solutions in C++17/20 on Linux.
• Collaborate with traders from initial design through delivery and ownership.

Skills

C++ backend development

Front Office trading experience

Communication & stakeholder mgmt

CS fundamentals (OOP, design patterns,

Education

Degree in Computer Science or STEM

Job description

Client Server Limited in London is seeking a senior C++ Software Engineer to redevelop a core equity trading system for the EMEA market. You’ll work primarily on the backend using C++17/20 on Linux, delivering high-volume, data‑driven solutions with a touch of low-latency work.

This Front Office role provides direct exposure to traders and ownership from design to delivery, with a London base and one day per week from home.