Senior Python Backend Engineer — AI Data Platform (Hybrid)

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

Benefits offered by this job

Equity

Pension

Hybrid working

Job summary

Client Server is seeking a Senior Backend Software Engineer to own the orchestration engine in a Python/AWS stack. You will design for scalable workloads, build the AI-native data layer, and collaborate directly with customers to solve real problems.

Based in London with hybrid work, you’ll contribute across the full development lifecycle, write Terraform, monitor production, and help shape engineering standards as part of a small, ambitious team.

Qualifications

• Advanced backend Python coding skills including FastAPI.
• Good understanding of system architecture, design and scalability.
• Experience with distributed systems.
• Familiar with AWS, IaC (Terraform), Docker, PostgreSQL, DynamoDB, CI/CD, GitHub Actions.

Responsibilities

• Own the orchestration engine that controls scheduling, execution, state, retries, concurrency and cancellation using Python and AWS.
• Write Terraform and manage infrastructure end-to-end; monitor production and resolve issues.
• Contribute to product roadmap and shape engineering standards, culture and ways of working.

Skills

Python

FastAPI

Distributed systems

System architecture

Tools

AWS

Terraform

Docker

PostgreSQL

DynamoDB

CI/CD

GitHub Actions

Blacksmith runners

Job description

Client Server is seeking a Senior Backend Software Engineer to own the orchestration engine in a Python/AWS stack. You will design for scalable workloads, build the AI-native data layer, and collaborate directly with customers to solve real problems.

Based in London with hybrid work, you’ll contribute across the full development lifecycle, write Terraform, monitor production, and help shape engineering standards as part of a small, ambitious team.