Backend Python Developer – AWS (Energy Trading Platform) Contract - London (Hybrid – 3 days onsite) £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. Design, develop and maintain backend services using Python Build scalable, reliable and secure applications running on AWS 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 Experience with AWS services such as S3, ECS, AppSync Frontend experience with React or Svelte Background in commodities trading or financial services 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.
