Back End Developer - Python - Trading Applications

Backend Developer – Python

£650/day – 6 months – Inside IR35 – 3 days onsite (London)

Python – Kafka – AWS – TypeScript – Commodities Trading

You'll be working for a leading energy trading business, building out a modern post-trade platform that's genuinely pushing boundaries – live PnL, intraday position reporting, and digitised front office workflows.

This is a business that backs its tech, delivers fast, and builds for the long-term.

The must-haves:

• Strong Python experience (hands-on and recent)
• Experience building backend services in a product team
• Kafka or other message queue systems
• Comfortable working in fast-moving agile squads
• Experience in commodities or trading (preferred but not essential)

Nice to haves (in order of priority – at least one or two is needed):

• AWS services – S3, ECS, AppSync
• PostgreSQL or NoSQL database experience
• GraphQL or REST APIs
• TypeScript
• React or Svelte (not essential, but helpful for collaboration)

To apply – click the link or for a faster response, email Barry.Ansell@HarringtonStarr.com