Backend Python Developer

We're recruiting on behalf of a globally recognised financial services firm seeking a Backend Python Developer to join their Specialised Electronic Trading Infrastructure (SETI) team. This role is ideal for a strong backend engineer with a focus on infrastructure tooling and systems automation - no cloud work involved. You'll be working on the internal tools and platforms that support one of the most performance-sensitive trading environments in the world. Role Overview: • Develop and maintain backend tools to automate and manage the electronic trading infrastructure. • Collaborate with engineering and operations teams to ensure high system reliability and maintainability. • Focus on robust, secure, and efficient internal systems - not cloud-based or external-facing services. Key Requirements: • Strong Python programming skills, with solid software engineering fundamentals. • Experience in developing backend services and command-line tools for system and infrastructure management. • Proficient with unit testing, mocking, and working in Linux environments. • Familiarity with CLI-based debugging tools (e.g., tcpdump). • Hands-on experience with Git, Jenkins, test-driven development, and CI pipelines. Nice to Have: • Experience with Ansible or similar infrastructure-as-code tools. • Exposure to Agile practices (Scrum, Kanban). • Knowledge of RESTful APIs for infrastructure control and automation. • Prior work in regulated industries or environments with strict security requirements. Why Join? • Contribute to a globally critical infrastructure that powers elite electronic trading. • Work in a technical, engineering-first culture focused on excellence and reliability. • Opportunity to grow your backend and infrastructure automation skills in a Tier-1 financial firm. Interested? Submit your CV to learn more. All applications are handled in strict confidence We are committed to creating an inclusive recruitment experience. If you have a disability or long-term health condition and require adjustments to the recruitment process, our Adjustment Concierge Service is here to support you. Please reach out to us at adjustments@robertwalters.com to discuss further.