Python Developer – Contract – Energy Trading / Financial Services – London (Hybrid) Location: London (Hybrid – 3 days onsite) Rate: £550–£650/day (Inside IR35) Contract: 6 months initially Cititec is working with a leading energy trading firm that’s building a cutting-edge post-trade platform in AWS, and they’re looking for a Python Developer to join their team. This is a hands-on role where you’ll be part of a fast-paced Agile environment, helping build out a platform that powers live intraday P&L reporting. You’ll be working alongside a cross-functional team of developers, quants, and traders. Responsibilities will include: Designing and building secure, scalable applications using modern back-end technologies Collaborating with teams to deliver effective solutions that align with business needs and architectural standards Improve CI/CD pipelines to support efficient feature delivery Produce high-level designs aligned with infrastructure, cloud, and security requirements Key Requirements: Hands-on experience in Python development Confident building secure, scalable applications Agile mindset and strong team player Experience within the commodities trading or financial industry is essential Familiarity with Kafka, PostgreSQL, and microservices architecture Nice to have: Experience with React/TypeScript or Svelte Experience with AWS services like S3, ECS, or AppSync This is a great opportunity to work on a high-impact, modern system at the heart of a trading business.