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Backend Software Engineer C# Python - Market Data

Company

Client Server

Location

London, England

Posted

June 03, 2026

Position Overview

Backend Software Engineer / Developer (C# Python Data Lakes) London / WFH to £150k+
Are you a data savvy Backend Software Engineer?
You could be joining a Hedge Fund with complex work and substantial bonus earning potential.
As a Backend 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 C# and 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 / W...
        

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