> Markdown version of [/jobs/ext/3020338-senior-software-engineer-c](https://www.wearedevelopers.com/jobs/ext/3020338-senior-software-engineer-c). 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). --- # Senior Software Engineer, C++ - **Company:** Flow Traders - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Algorithmic Trading, C++ (Programming Language), Multithreading, Information Technology, Low Latency, Data Analytics, C++14 - **Published:** September 21, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/senior-software-engineer-c/47796363 ## About the Role design and implementation.What you need to succeed:BSc, MSc, or PhD in Computer Science, Mathematics, or a related field.7+ years of post-graduation professional C++ software development experience.Experience building low-latency market data ingestion, order execution, and algorithmic trading systems (proprietary trading industry preferred).Strong knowledge of algorithms and data structures.Experience in parallel, asynchronous, and multithreaded programming.Demonstrated ability to write clean, reliable, and highly scalable C++ code.Interest in extracting maximum performance from available hardware and software (CPU caches, memory layout, networking, etc.).Ability to communicate effectively with both technical and non-technical colleagues.Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders ## Description expertise in modern C++, OS internals, CPU and memory architecture, lock-free concurrency, and low-latency networking to push our systems toward state-of-the-art performance, robustness, and observability.What you will do:Lead the development and global rollout of our Core market data platform used across multiple focus areas (Market data, Research engineering, Pricing, Strategies).Design and implement high-performance components for market data ingestion, normalization, and distribution, as well as its usage for order execution and strategy infrastructure.Develop tools and frameworks that enable quants and technical traders to build, tune, and deploy data-driven systematic pricing and trading strategies.Own the full lifecycle of your components in a fast-paced, iterative environment: deploy, monitor, profile, and optimize your code in production.Work closely with focus group engineers, quants, and technical traders to refine requirements, collect feedback, and iterate on the platform's