> Markdown version of [/jobs/ext/3594496-junior-mid-level-front-office-python-engineer-r-d-trading-systems](https://www.wearedevelopers.com/jobs/ext/3594496-junior-mid-level-front-office-python-engineer-r-d-trading-systems). 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). --- # Junior / Mid-level Front Office Python Engineer (R&D / Trading Systems) - **Company:** Margo Margo - **Location:** London, UK - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Algorithmic Trading, C++ (Programming Language), Relational Databases, Software Debugging, Linux, Distributed Systems, Monitoring of Systems, Python (Programming Language), SQL Databases, Data Processing, Software Troubleshooting, Caching, Reliability of Systems, Information Technology - **Published:** October 6, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/junior-mid-level-front-office-python-engineer-rd-trading-systems/49335947 ## About the Role Skills: Experience with SQL and relational databases. Production Experience: Ability to work under pressure with strong troubleshooting and analytical skills. Communication: Clear communication style with a structured problem-solving mindset. Valued (but not restrictive): Experience in Front Office R&D or Electronic Trading environments. Ability to read and interact with C++ code. Knowledge of distributed architectures, caching, or in-memory data handling. Understanding of financial market concepts. Education Degree (or equivalent) in Computer Science, Engineering, Mathematics, Physics, or a related quantitative discipline. Why Join Margo? High Impact: Work directly with traders and quantitative teams in a demanding Front Office environment. Balanced Role: A mix of technical development and production ownership ensures you see the immediate impact of your work. Career Growth: Benefit from a human-sized structure with close follow-up and tailor-made training paths. Interested? Motivated? Apply on our website or at ##### #J-18808-Ljbffr ## Description analytical libraries, and monitoring tools. Key Responsibilities Development & Engineering (Approx. 70%) Design, develop, and maintain Python-based core libraries and frameworks. Work closely with traders and research teams to gather requirements for new analytics and trading tools. Improve the performance, scalability, and maintainability of the Python platform. Enhance existing monitoring, analysis, and control tools to support research workflows. Support & Production (Approx. 30%) Provide L1/L2 support to Front Office users to ensure system stability during market hours. Investigate and resolve production incidents efficiently. Develop tools to improve system reliability and operational efficiency. Contribute to the evolution of performance-sensitive and low-latency setups. Requirements Essential Skills: Strong Python Proficiency: Expertise in core Python development and performance-aware coding. Linux/UNIX: Solid knowledge of Linux environments for production and debugging. Database