> Markdown version of [/jobs/ext/3249074-python-core-developer-middle-office-london-algorithmic-market-maker](https://www.wearedevelopers.com/jobs/ext/3249074-python-core-developer-middle-office-london-algorithmic-market-maker). 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). --- # Python Core Developer - Middle Office - London- Algorithmic Market Maker - **Company:** Fintech - **Location:** London, UK - **Experience:** Experienced - **Salary:** £200,000.0 - £250,000.0 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Linux, Python (Programming Language), Microsoft Office, SQL Databases - **Published:** September 11, 2026 - **Apply:** https://www.reed.co.uk/jobs/python-core-developer-middle-office-london-algorithmic-market-maker/57331745 ## About the Role * 2+ years' experience with Python and SQL databases. * Understanding of Linux. * Involvement with reconciliation, risk, middle office systems is desirable. * Passionate about tech and financial markets. * Great interpersonal skills that would flourish in an intimate collaborative environment. ## Description As a Core Developer, you will help in building out an automated trade reconciliation system. This greenfield project allows you to work closely with senior members, such as the CTO. Very high performance reconciling up to 100M transactions a day. All you need is strong python skills - they are a Linux-based company, and the solution will be built in Python and should "talk to" C++ stack. ## Related Videos - [Coffee with Developers - Scott Chacon on growing GitButler and the future of version control](https://www.wearedevelopers.com/videos/914-coffee-with-developers-scott-chacon-on-growing-gitbutler-and-the-future-of-version-control) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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) - [OpenAI for FinTech: Building a Stock Market Advisor Chatbot](https://www.wearedevelopers.com/videos/805-openai-for-fintech-building-a-stock-market-advisor-chatbot) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1520-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The Best Co-Working Spaces in London](https://www.wearedevelopers.com/magazine/296-the-best-co-working-spaces-in-london) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)