Back End Developer - Python - Trading Applications

JR United Kingdom; Slough; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading energy trading business based in Slough seeks a Back End Developer skilled in Python to work on a cutting-edge post-trade platform. You will join a dynamic product team focused on building robust backend services and supporting trading operations in a collaborative agile environment.

Qualifications

• Strong Python experience required.
• Experience in building backend services.
• Agile environment experience preferred.

Responsibilities

• Build a modern post-trade platform for energy trading.
• Work within a product team and deliver backend services.
• Collaborate in fast-moving agile squads.

Skills

Python

Kafka

AWS services

PostgreSQL

GraphQL

REST APIs

Job description

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Back End Developer - Python - Trading Applications, slough

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Client:

Harrington Starr

Location:

slough, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

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)