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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer C++ - **Company:** REC Solutions Ltd - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Agile Methodology, JIRA, C++ (Programming Language), Continuous Integration, Linux, Python (Programming Language), Multicasting, Object-Oriented Software Development, Systems Development Life Cycle, Software Engineering, SQL Databases, Transmission Control Protocol (TCP), Real Time Systems, Deep Learning, Backend, Git, Information Technology, Low Latency - **Published:** September 2, 2026 - **Apply:** https://www.totaljobs.com/job/senior-software-engineer-c/rec-solutions-limited-job107920670 ## About the Role * 8 years development experience in >= C++11 and Boost creating performant, scalable applications. * Exposure to real-time systems. By that we mean systems processing frequent events in a timely manner. * 5+ years of experience in networking (UDP, Multicasting, TCP, etc...), messaging, and algorithms. * 5+ years of experience on Linux systems. * Good understanding of modern development best practices and methodologies * Python. * Git. * SQL. * Knowledge of capital markets technologies, protocols, and standards such as FIX and SBE. * Most importantly, a drive to solve complex technological and trading problematics with a great team of talented developers. Desired Skills/Experience * Questdb * Dolt Mindset and methodology * This role involves working with a sophisticated and specialised platform. New joiners invest time in understanding the architecture and domain before making changes to the most critical components. We're looking for someone who enjoys that kind of deep learning and is keen to build long-term expertise that enables them to take on greater ownership and impact. * Good team player * Autonomous * Good understanding of modern development best practices and methodologies * Comfortable using Agile methodology, including continuous integration, sprints, Jira and the relevant processes and workflow. ## Description Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend), In this role you will work with the Product team, Infrastructure team, and QA team, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which can handle large amount of TPS to drive a highly efficient technology used by several markets around the world, including our own. To be successful in this role as a Senior Software Engineer - C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties: Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) * Codes, tests, integrates, and documents software. * Provides technical leadership to more junior employees and other teams. * Apply principles and techniques of computer science, engineering, and mathematical analysis to the development of complex products. * Participate as a Subject Matter Expert in internal review of software components and systems. * Work on the hardest technical problems facing the company, often these problems are unusually complex and require the utmost creativity and innovation. * Apply and champion the appropriate standards, processes, procedures, and tools throughout the system development life cycle to support the generation of technical engineering products. * Keep abreast of technology trends and champion new ideas and process improvements. ## Related Videos - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Exploiting the recruitment game as a developer](https://www.wearedevelopers.com/videos/750-exploiting-the-recruitment-game-as-a-developer) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)