Senior Software Engineer (Python)

OpenSource

📍 greater london, England, United-Kingdom

Full-time IT & Technology Posted March 02, 2026

Job Description

A software company in London is looking for a Senior Developer to join their engineering team. They operate in a fast-paced environment where engineers prioritise quick delivery, practical problem-solving, and real-world impact over perfect code. It’s an outcome-driven culture with plenty of autonomy, where developers take ownership across the full lifecycle of their work.

What You’ll Work On

  • Building integrations with new data and liquidity sources using advanced web-scraping and reverse-engineering techniques.
  • Developing and maintaining low-latency, real-time data feeds to support internal strategies.
  • Improving system visibility and observability to help identify integration issues and areas for optimisation.
  • Working as part of an agile team with a flexible, evolving roadmap driven by new information and opportunities.
  • Taking full responsibility for software from design through to development, testing, review, depl...