Lead Software Engineer Python API

Salary: £100,000 - 100,000 per year

Requirements

: We are looking for an experienced Software Engineer with strong Python expertise and solid software engineering best practices knowledge.We need someone with full SDLC experience.We require team leadership experience, including mentoring, developing others, and conducting 1-2-1s and performance reviews.We value experience with cloud-based services; GCP is preferred, but AWS or Azure experience is acceptable.We expect experience building APIs, ideally with FastAPI.We need strong knowledge of CI/CD, testing, and deployment.We look for a thorough understanding of computer science fundamentals, including OOP, data structures, design patterns, and algorithms.We want a collaborative, pragmatic communicator with strong interpersonal skills.We require a degree in a STEM discipline with at least a 2.1 classification.We are seeking someone with a backend-focused technical background and leadership capability. Responsibilities: We will have you lead a small, talented engineering team to deliver new features and enhancements.We will have you contribute to refactoring work across our core banking platform.We expect you to help build and evolve a platform that integrates with major financial partners.You will spend roughly half your time on architecture and design and half on people management.You will set technical standards and promote best practices across the team.You will mentor junior developers and support a culture of continuous improvement and self-development.You will collaborate closely with colleagues to solve problems in a hands-on way.You will work across a relatively young codebase with plenty of new projects to get involved in. Technologies: AWSAzureBackendCI/CDCloudFastAPIGCPSupportOOPPython More: We are a well-funded and profitable FinTech start-up building a core banking platform used with major players in the financial sector.

Our team is based in Central London with a hybrid working model that offers flexibility to work from home twice a week. We offer a competitive salary of up to £120k plus pension and other

Benefits

. We are committed to diversity, inclusion, and equal opportunities, and we value a workplace where people can play to their strengths and continue learning. last updated 35 week of 2026