> Markdown version of [/jobs/ext/3521018-senior-full-stack-engineer-python-trading-guis-selby-jennings](https://www.wearedevelopers.com/jobs/ext/3521018-senior-full-stack-engineer-python-trading-guis-selby-jennings). 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 Full Stack Engineer Python & Trading GUIs - Selby Jennings - **Company:** Yesterday By Efinancialcareers - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Computing Platforms, Big Data, Distributed Systems, Java GUIs, Python (Programming Language), Workflow Management Systems, Backend, Build Management, Front End Software Development, Restful APIs - **Published:** October 1, 2026 - **Apply:** https://www.reed.co.uk/jobs/senior-full-stack-engineer-python-trading-guis-selby-jennings/57408422 ## About the Role * Strong commercial experience as a Full Stack Software Engineer within a trading environment * Excellent front-end development skills and experience building sophisticated GUI applications * Strong Python development experience in production environments * Experience building scalable APIs and distributed systems * Exposure to real-time or data-intensive applications * Strong software engineering fundamentals and problem-solving ability * Financial services, fintech or trading technology experience is advantageous ## Description * Build and enhance complex GUI applications used in real-time environments * Develop trading, operational and workflow management tools * Design and build Python services, APIs and backend components * Work on event-driven and distributed systems handling large volumes of data * Create intuitive dashboards and visualisation tools for business-critical workflows * Collaborate directly with users to gather requirements and deliver impactful solutions * Contribute to architecture, platform design and engineering best practices ## Related Videos - [Beam Me Up, Java! Unraveling the Warp-Speed Evolution: A Journey through Java LTS Versions 11 to 21](https://www.wearedevelopers.com/videos/658-beam-me-up-java-unraveling-the-warp-speed-evolution-a-journey-through-java-lts-versions-11-to-21) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [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) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) ## Related Articles - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)