> Markdown version of [/jobs/ext/864080-senior-python-developer-data-platform](https://www.wearedevelopers.com/jobs/ext/864080-senior-python-developer-data-platform). 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 Python Developer - Data Platform - **Company:** Lorien - **Location:** London, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, JIRA, Code Review, Continuous Integration, Data Governance, Data Infrastructure, Data Security, Python (Programming Language), Systems Development Life Cycle, Standard Sql, Software Engineering, Large Language Models, Prompt Engineering, Git, Material UI, Data Analytics - **Published:** June 3, 2026 - **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-B80E480E4DEDB11851/ ## About the Role * Strong experience in software engineering * Strong Python development experience in production environments * Solid experience working with Linux/Unix systems * Good working knowledge of SQL * Experience with modern SDLC tools (eg Git, Jira, CI/CD pipelines) Technical & Domain * Experience building Back End systems, APIs, or data-driven platforms * Exposure to data-centric environments or data governance concepts * Understanding of testing frameworks and best engineering practices * Interest or experience in AI/prompt engineering tools ## Description We're partnering with a leading global financial institution to hire a Senior Python Developer to join a high-impact Data & Analytics engineering team supporting Front Office functions. This is a hands-on engineering role focused on building and enhancing a data governance platform that underpins advanced analytics and AI use cases across the business. The Role You'll be part of a globally distributed engineering team responsible for delivering a centralised data platform used by quantitative research and trading teams. Your work will focus on extending a key internal data governance tool, developing both Back End services and user-facing components that enable users to manage and enforce data policies effectively. This role offers the opportunity to work at the intersection of data, engineering, and AI, with exposure to modern technologies including LLM integrations. What You'll Be Doing * Design, build, and maintain Python-based Back End services * Develop and enhance data governance tooling used across the business * Contribute to UI components to improve user experience * Own the full development life cycle (design - build - deploy - support) * Collaborate with business stakeholders, product teams, and global engineers * Support AI/LLM-enabled data access workflows * Perform code reviews and mentor junior engineers * Ensure systems are scalable, stable, and secure ## Related Videos - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [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) - [Enterprise Python: Software That Lives Long And Prosper](https://www.wearedevelopers.com/videos/946-enterprise-python-software-that-lives-long-and-prosper) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) ## Related Articles - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)