Senior Python Engineer GCP FastAPI

Client Server Limited; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Pension

Job summary

Client Server Limited in London is seeking a Senior Python Engineer / Developer to join a fintech backend team. You will build and refine services using Python, FastAPI and GCP, delivering high-quality APIs and scalable solutions.

You'll work in a hybrid model with WFH two days a week, collaborating closely with product and integrations including major banks. A strong CS foundation and knowledge of SDLC are essential.

Qualifications

• Strong backend Python development experience.
• Hands-on with FastAPI and cloud services (GCP).
• Experience with CI/CD, testing and deployment.
• Solid CS fundamentals: OOP, data structures, design patterns, algorithms.

Responsibilities

• Deliver new features and enhancements for the core banking platform.
• Refactor and improve existing services.
• Collaborate with a fintech tech team and external partners.

Skills

Backend Python

FastAPI

GCP

CI/CD

Testing

OOP

Data Structures

Design Patterns

Algorithms

Communication

Education

STEM degree (2.1+ in CS/related)

Job description

London, Greater London | £90k - £120k per year

Senior Python Engineer / Developer (Python GCP FastAPI) London / WFH to £100k

Opportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up.

As a Senior Python Engineer you'll join a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively young codebase and lots of new projects to get stuck into.

You'll be collaboratively problem solving in a hands-on role which could progress to Principal Engineer or Team Lead if desired as the company continues to scale.

Location / WFH:

You'll join colleagues in the Central London office with flexibility to work from home twice a week in a hybrid model.

About you:

• You're an experienced Software Engineer with a strong knowledge of software engineering best practices and full SDLC experience
• You have strong backend Python development skills
• 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're collaborative and pragmatic with great communication skills
• You're degree educated in a STEM discipline, having achieved a 2.1 or above

What's in it for you:

As a Senior Python Engineer / Developer you will earn a competitive salary (to £100k) plus pension and other benefits.