Market Access Developer (C++)

Job description

We are partnering with a top-tier global quantitative trading firm operating at the forefront of technology, data, and financial markets.

They are seeking a C++ Market Access Developer to join a world-class engineering team responsible for building and evolving ultra-low latency systems that power global trading connectivity.

In this role, you will work on the core infrastructure that connects internal trading systems directly to global exchanges and liquidity venues. You will design, build, and enhance high-performance market access gateways and market data systems where precision, speed, and reliability are critical.

You will take ownership of end-to-end exchange connectivity, including onboarding new brokers and venues, implementing protocol changes, and ensuring production stability of mission-critical trading flows. The work spans high-performance systems engineering, real-time optimisation, and hands-on production support in a fast-moving environment.

This is a highly collaborative role working closely with traders, quants, and infrastructure teams, where engineering decisions have direct impact on live trading performance across global markets.

Required Skills & Experience

5+ years of professional C++ development on Linux

Strong experience with Python and Bash scripting

Proven experience designing multithreaded and/or distributed systems

Hands-on experience with trading gateways or market data feed handlers

Strong understanding of low-latency system design and optimisation techniques

Experience working with production-grade, high-availability systems

Strong debugging skills in complex real-time systems

Experience with exchange connectivity, broker integration, or market access systems

Solid understanding of software engineering best practices (version control, testing, CI/CD)

Excellent communication and ability to work across technical and business teams

Extra information

Status

Open

Education Level

Secondary School

Location

City of London

Type of Contract

Full-time jobs

Published at

22-04-2026

Profession type

Accountancy

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English