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# Software Engineer

- **Company:** Client Server
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £90,000.0 - £120,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Continuous Integration, Data Structures, Software Design Patterns, Python (Programming Language), Object-Oriented Software Development, Systems Development Life Cycle, Cloud Services, Software Construction, Fastapi, Api Design
- **Published:** October 27, 2026
- **Apply:** https://www.client-server.com//job/senior-software-engineer-python-gcp-fastapi-1/apply

## About the Role

* You're an experienced Python Developer with a strong knowledge of software engineering best practices and full SDLC experience
 * You have a good knowledge of cloud based services (they use GCP but AWS or Azure experience is fine)
 * You have experience of building APIs, ideally FastAPI experience
 * You have a good knowledge of CI/CD, testing and deployment
 * You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms
 * You have team leadership experience, happy to mentor and develop others as well as provide 1-2-1s and performance reviews
 * You're collaborative and pragmatic with great communication skills
 * You're degree educated in a STEM discipline, having achieved a 2.1 or above

## Description

As a Senior Software Engineer your role will blend technical leadership and software engineering, giving you the opportunity to guide a talented team while remaining closely involved in architecture, design and delivery. You'll play a key role in driving engineering standards, mentoring developers and helping the team tackle complex technical challenges across a modern Python based platform.

Collaborating with Product, Engineering and business stakeholders, you'll influence technical direction, lead the delivery of new capabilities and contribute to the evolution of a platform that supports critical financial services. The environment is collaborative, fast-moving and well suited to engineers who enjoy balancing strategic thinking with hands-on problem solving.

You'll join a profitable, well funded business with ambitious growth plans, meaningful technical challenges and the opportunity to make a lasting impact on both the technology platform and the engineering culture.