C++ Developer

C++ Developer – Algo Trading. Electronic & Delta One Trading (Investment Banking)

Inside IR35

6-12 Month Contract

Central London (Hybrid)

A leading global investment bank wants you to join as a C++ Developer to its Delta One trading team in London. This role sits directly alongside a well-established electronic trading business responsible for supporting equity execution and FX hedging activity across multiple regions.

The team has built and evolved a sophisticated algorithmic trading platform over several years and is now looking for an engineer who can help drive its next phase of development while becoming a key technology partner to the trading desk.

This is an opportunity to work on low-latency, high-performance trading infrastructure where your work has a direct impact on live trading performance, execution quality, and business outcomes.

All levels of experience will be considered but someone with 3-8 years of experience would be ideal.

The Role

This is a high-impact front-office engineering role combining C++ development, electronic trading, production support, and direct trader engagement.

• Enhancing and maintaining a live algorithmic execution platform supporting the Delta One equities business.
• Developing and improving order execution, routing, and trading gateway functionality.
• Working directly with traders to understand requirements and deliver enhancements that improve execution performance.
• Investigating and resolving production issues within a live trading environment.
• Supporting testing, certification, compliance, and release processes for trading systems.
• Collaborating with developers, QA teams, network engineers, infrastructure teams, and business stakeholders across London, North America, and wider technology groups.
• Becoming a key engineering owner for the London trading platform over time.

What We're Looking For

• Strong commercial C++ development experience, ideally C++17 or later.
• Experience building or supporting electronic trading systems.
• Strong understanding of OMS, EMS, order execution, order routing, trading gateways, or exchange connectivity.
• Experience supporting production trading environments and investigating live incidents.
• Exposure to equities, futures, FX, ETFs, swaps, or related capital markets products.
• Strong stakeholder communication skills with the ability to work directly with front-office users.
• Experience with FIX connectivity, native exchange protocols, or trading venue integration would be highly beneficial.
• Knowledge of Broadridge TBricks is advantageous but not essential.
• Python experience is a plus.

Why This Role

• Direct exposure to front-office trading and revenue-generating systems.
• Opportunity to take ownership of a business-critical algorithmic trading platform.
• Work within a highly scalable, low-latency technology environment.
• Collaborate closely with traders and senior technology leadership across international markets.
• Contract position with strong likelihood of extension on a long-term strategic programme.

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