C++ Developer – Tier 1 Trading Firm – Excellent Compensation + Benefits

CompanyMondrian Alpha

LocationLondon Area, United Kingdom

Posted At1/6/2026

UK Visa Sponsorship Analytics

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Occupation Type

Printing machine assistants

Occupation Code Skill LevelIneligible

Sponsorship EligibilityIneligible for Sponsorship

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Description

My client, a leading high-frequency trading firm, is seeking a Software Engineer to join their systematic trading team in London.

This is an exceptional opportunity to be part of a high-performing systematic trading group that develops and operates mid- to high-frequency, multi-asset trading strategies across global markets.

You’ll work closely with quantitative researchers and traders to design and develop end-to-end, high-availability trading systems using C++ and Python—covering everything from market data connectivity and execution algorithms to research infrastructure, monitoring, and integration with the firm’s global trading platform.

Key responsibilities will include:

Designing, developing, and maintaining software for research, trading, and post-trade analysis, including market data handling, signal computation, and execution management.
Building high-availability distributed systems that support global, around-the-clock trading operations.
Collaborating closely with quantitative researchers and traders to translate trading ideas into production systems.
Testing at unit, functional, and integration levels to ensure performance, stability, and resilience.

Providing on-call support and contributing to continuous improvement of the trading platform.

They are seeking candidates with:

5+ years of professional C++ experience, ideally building low-latency or mission-critical systems.
Strong understanding of concurrency, networking, and type systems in both C++ and Python.
Experience developing distributed systems with tight latency constraints.
Solid grasp of statistics and numerical methods.
Excellent communication skills and the ability to work autonomously from high-level requirements.
A passion for learning, innovation, and problem-solving in fast-paced trading environments

My client anticipates to pay a strong performer upwards of £400k year 1 total compensation package. As well as a market-leading compensation package, they offer exceptional benefits including a top-tier healthcare package, fully subsidised qualifications plus breakfast and lunch paid for each day.

To apply, either respond to this advert or send your CV directly to sasha.duquesne@mondrian-alpha.com