> Markdown version of [/jobs/ext/3585467-software-engineer-python-sql-market-data](https://www.wearedevelopers.com/jobs/ext/3585467-software-engineer-python-sql-market-data). 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). --- # Software Engineer Python SQL - Market Data - **Company:** Client Server - **Location:** London, UK (Remote available) - **Salary:** £130,000.0 - £150,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Databases, Extract Transform Load (ETL), Distributed Systems, Python (Programming Language), NoSQL, SQL Databases, Backend, Data Lakes, Microservices - **Published:** October 5, 2026 - **Apply:** https://www.client-server.com//job/software-engineer-python-sql-market-data-2/apply ## About the Role * You have strong backend development experience with Python * You have experience of working with financial or market data * You have experience of designing and operating data-intensive and distributed systems * You have a strong knowledge of databases (Relational, NoSQL and Columnar) * You're keen to take ownership and work across the full development lifecycle * You're collaborative and pragmatic with strong stakeholder management skills * You have achieved a 2.1 or above in a STEM discipline, likely to have studied to MSc ## Description Are you a data savvy Software Engineer with strong Python coding skills? You could be joining a Hedge Fund with complex work and substantial bonus earning potential. As a Software Engineer you will join a growing team building a modern medallion architecture data platform, working across everything from data engineering and distributed systems to infrastructure and frontend. This is a hands-on role in a small, collaborative team where you'll have real ownership and impact. Your role: * Design and build data platform components using Python * Develop and optimise ETL pipelines, Data Lakes/ Lakehouses and distributed systems * Improve infrastructure, observability and CI/CD practices * Maintain and evolve existing systems (microservices, ETL, Excel add-ins) * Support platform operations, ensuring reliability and performance Location / WFH: You'll join colleagues in the impressive Central London office on a fulltime basis, Monday to Friday.