Senior Python Engineer GCP FastAPI
Client Server
Overview
As a Senior Python Engineer, you will help build and evolve the core banking platform within a financially focused tech team. You will deliver new features, perform refactoring, and collaborate across disciplines to solve practical problems at scale. The role sits at the intersection of back-end Python, cloud services, and API-centric delivery, contributing directly to fintech products used with major players like HSBC. You’ll work in a hybrid London-based setup, with opportunities to progress toward Principal Engineer or Team Lead as the company scales. This is a hands-on, impact-driven role in a well-funded FinTech start-up with strong growth ahead.
Pay / Benefits- hybrid work model
- pension
- competitive salary
- Develop and extend backend features for the core banking platform
- Refactor and improve existing codebase to enhance quality and maintainability
- Collaborate on API design and integration (FastAPI preferred)
- Work with cloud services (GCP) and CI/CD pipelines for deployment and testing
- Contribute to SDLC activities and software engineering best practices
- Engage in problem solving with a hands-on, cross-functional team
- Strong backend Python development experience
- Good knowledge of cloud services (GCP required or AWS/Azure acceptable)
- Experience building APIs, preferably with FastAPI
- Solid understanding of CI/CD, testing, and deployment
- Strong CS fundamentals (OOP, data structures, design patterns, algorithms)
- Collaborative and pragmatic with strong communication
- Degree educated in a STEM discipline with 2.1 or above
- collaborative
- pragmatic
- strong communication
- Python backend development
- GCP
- FastAPI
Reference: WJ-747_31291514 · Posted 13 Nov 2026, 04:55 AM