Software Developer C++ Python - Trading

Client Server; City Of London; On-site; GBP 100,000 - 125,000; Full time

Job summary

Client Server Limited is seeking a Software Developer/Engineer (C++/Python) in London with a hybrid approach or on-site work. You will craft backend software powering trading systems and data processing, collaborating with top engineers and researchers.

The role focuses on high-performance systems, trade lifecycle understanding and strong CS fundamentals in a fast-paced financial tech environment. Competitive package and benefits offered.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering or related discipline.
• Strong C++ and Python development experience.
• Solid understanding of the trade lifecycle and financial markets.
• Experience with Linux environments.

Responsibilities

• Design, build and optimise proprietary software components.
• Work on data processing, transformation and high-performance systems.
• Collaborate with engineers and quantitative researchers across teams.
• Take ownership of meaningful engineering challenges in trading systems.

Skills

C++

Python

Financial markets

Linux

Education

Bachelor's or Master’s degree in Computer Science or related

Job description

Salary: GBP100000 - GBP125000 per annum + benefits

Software Developer / Engineer (C++ Python) London / WFH to £125k

Are you a talented, backend focussed Software Developer with strong C++ and Python skills and a solid understanding of the trade lifecycle?

You could be progressing your career at a technology driven systematic trading firm where you’ll develop sophisticated, data driven software powering systematic trading strategies.

As a Software Developer, you’ll design, build and optimise proprietary software components, working on technically challenging problems across data processing, transformation and high-performance systems. You’ll collaborate closely with exceptional engineers and quantitative researchers from leading hedge funds, global technology companies and investment banks, gaining exposure to advanced trading technology and quantitative strategies.

This is an opportunity to take ownership of meaningful engineering challenges, deepen your technical expertise and contribute directly to systems at the heart of the trading business.

Location:

Based in impressive offices near St James’s Park, London, you’ll work onsite Monday to Friday, collaborating closely with the wider engineering and quantitative teams.

About You

• Bachelor’s or Master’s degree in Computer Science, Engineering or a related discipline.
• Strong software development experience using both C++ and Python.
• Solid understanding of the trade lifecycle and financial markets.
• Excellent computer science fundamentals, including data structures, algorithms, data processing and transformation.
• Comfortable working in Linux environments.
• Strong analytical and problem-solving skills, with a naturally curious mindset and a desire to keep learning.

What’s in it for you?

As a Software Developer you’ll receive a competitive package:

• Salary up to £125k
• Challenging technical work within a highly experienced systematic trading team
• Ongoing learning and professional development
• Clear opportunities to develop your technical skills and career