Python Developer - Quant Infrastructure Engineer

Who We Are Looking For Quanteam UK are seeking a Quantitative Developer to join a Credit and Capital Management quantitative analytics function, designing and building tools that enable the business to leverage capital and credit models, optimise strategy and understand risk profiles in greater depth. You will partner with product specialists across Credit and Capital Management and Group Risk Analytics, leading workstreams to develop an analytics platform and working in cross-functional teams to enhance the existing code base and build new capabilities in support of the function’s longer-term strategic vision. Your key responsibilities will include: Supporting the design and build of a modern code library and development environment. Taking responsibility for the technical delivery of analytical capabilities across Credit and Capital Management. Developing functional and non-functional requirements in close collaboration with engineers, quants and business leads. Writing high-quality production Python code to support the wider development ecosystem, including contributing to code reviews and promoting development best practice. Ensuring compliance with relevant internal and external rules, regulations and procedures applicable to the business area. Core Competencies Technical Extensive experience (7+ years) working as a Quantitative Developer, integrating models within quantitative finance, IT development or a trading environment. Strong Python skills (Pandas, NumPy) across the full software development lifecycle – design, development, testing, release and maintenance – together with experience building UI components using modern UI frameworks. An advanced academic background, such as a Master’s degree or PhD in Mathematics, Physics, Computer Science or a related discipline. A good understanding of credit risk and interest rate risk concepts. Knowledge of Windows and UNIX/Linux environments, with experience of version control systems (Git) and containerisation. Demonstrable commercial acumen, with experience within a Strats or Quant function. Hands-on experience building and maintaining APIs (REST, gRPC or GraphQL). Experience with database technologies, including SQL and NoSQL. Behavioural Strong problem-solving skills, with the ability to take the initiative and think on your feet. Strong verbal and written communication skills, with experience working with diverse stakeholders. An inquisitive, technical mindset, with a collaborative approach to working across cross-functional teams. A structured, compliance-focused approach to working within relevant internal and external rules, regulations and procedures. We are committed to a diverse and inclusive workplace where all individuals are respected and valued. We welcome applicants from every background and uphold equality across all characteristics. Diversity drives innovation and strengthens our ability to deliver exceptional results. Our aim is an environment where everyone can thrive and contribute to collective success.