Backend Python Developer – AWS (Energy Trading Platform)
Contract - London (Hybrid – 3 days onsite)
£700 - £900 per day Inside IR35
We’re working with a leading energy trading organisation that’s looking to hire a Backend Python Developer to join their London team, working on a modern, AWS-based post-trade platform.
This is a hands-on contract role focused on backend development, supporting live intraday trading, position management and P&L reporting for a front-office energy trading environment.
You’ll be part of a fast-moving engineering team building and enhancing business-critical systems used daily by trading and operations teams.
The role:
* Design, develop and maintain backend services using Python
* Build scalable, reliable and secure applications running on AWS
* Contribute to a modern post-trade platform providing live intraday position and P&L reporting
* Work closely with product, trading and technology teams to deliver new features
* Propose and implement technical solutions to solve real business problems
* Use and improve CI/CD pipelines to release functionality frequently
* Produce high-level technical designs and ensure alignment with cloud, security and architectural standards
* Collaborate with infrastructure, cloud and security teams as required
Key requirements:
* Hands-on Python development experience (backend-focused)
* Strong experience working with AWS in a production environment
* Solid understanding of object-oriented programming
* Experience building and consuming APIs (REST and/or GraphQL)
* Familiarity with relational databases (Postgres preferred)
* Experience working in Agile teams
* Pragmatic, delivery-focused mindset
Nice to have:
* Experience with AWS services such as S3, ECS, AppSync
* Exposure to Kafka or other messaging systems
* Frontend experience with React or Svelte
* Background in commodities trading or financial services
Location & setup:
* London-based
* Hybrid working – typically 3 days onsite
* Contract role within a long-running, business-critical programme
This is a strong opportunity for a mid-to-senior backend Python contractor who enjoys working close to the business on high-impact trading systems.
Apply now or get in touch for a confidential discussion.