> Markdown version of [/jobs/ext/3243219-c-senior-software-developer-london-prop-trading-firm](https://www.wearedevelopers.com/jobs/ext/3243219-c-senior-software-developer-london-prop-trading-firm). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # C++ Senior Software Developer - London- Prop Trading Firm - **Company:** Prop Trading Firm - **Location:** London, UK (Remote available) - **Experience:** Expert - **Salary:** £200,000.0 - **Contract:** Permanent contract - **Skills:** Big Data, C++ (Programming Language), Computer Engineering, Linux, Networking Hardware, Python (Programming Language), Machine Learning, Software Engineering, Information Technology, Production Code - **Published:** September 22, 2026 - **Apply:** https://www.reed.co.uk/jobs/c-senior-software-developer-london-prop-trading-firm/57374189 ## About the Role * BS in Computer Science or Computer Engineering (or equivalent experience) * Expert-level experience programming in C / C++11/17/20/23 and Python * Previous finance experience, or other significant hands-on development * Linux guru * Ability to juggle a lot of priorities and continuously deliver * Interest in finance / machine learning / big data and/or robotics are pluses ## Description Join a sophisticated technology team in the London office of a prop trading house that places software development at the centre of business strategy. This team have the responsibility of a trading group and a core infra team. This role is for a senior engineer who is able to take on problems at all levels of the software stack, including low-level code to drive network hardware, super reliable high-performance trading infrastructure and time-saving internal tools. You will be taking ownerships of projects and writing production code from day one. Working collaboratively alongside the traders, this is very much a hands-on role with a real impact on improving people's daily work. The development team enjoys great flexibility when planning roadmaps and deciding which features to implement.