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Senior Backend Software Engineer Python

Remote / Online - Candidates ideally in
London, Greater London, W1B, England, UK
Listing for: Client Server
Remote/Work from Home position
Listed on 2026-09-03
Job specializations:
  • Software Development
    Backend Developer, Python, AWS
Job Description & How to Apply Below
Senior Backend Software Engineer / Developer (Python) London / WFH to 120k Are you a technologist with start-up experience looking for your next opportunity?

You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform.

As a Senior Backend Software, you'll own the orchestration engine that controls scheduling, execution, state, retries, concurrency and cancellation, using Python, FastAPI and AWS in a high velocity production environment. You'll design for unpredictable workloads, solving challenges around capacity, back pressure and isolation, while building the AI native layer that will underpin the next generation of the product.

You'll own your infrastructure end-to-end, writing Terraform, monitoring what you ship and resolving issues in production. Working across the full development lifecycle, you'll take features from idea through to production, collaborate directly with customers to solve complex real-world problems and use your technical insight to influence the product roadmap. As part of a small, ambitious engineering team, you'll also have a genuine opportunity to shape engineering standards, culture and ways of working.

Location / WFH:

You'll join colleagues in the London office (close to Waterloo) with flexibility to work from home twice a week.

About you:

You have advanced backend Python coding skills, including FastAPIYou have a good understanding of system architecture, design and scalability

You have experience of working on distributed systems

You're familiar with other technology in the stack including: AWS, IaC using Terraform, Docker, PostgreSQL, DynamoDB, CI/CD, Git Hub actions, Blacksmith runners

You're collaborative and pragmatic with great communication skills, keen to input into technical discussion and decision making

What's in it for you:

Salary to 120k Equity Impactful role with excellent career progression as the company scales

Hybrid working

Pension

Apply now to find out more about this Senior Backend Software Engineer / Developer (Python FastAPI AWS) opportunity.
Position Requirements
10+ Years work experience
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