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# Senior Backend AI Engineer

- **Company:** SR2
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £156,000.0 - £162,500.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Software Quality, Code Review, Python (Programming Language), PostgreSQL, Software Deployment, TypeScript, ReactJS, Large Language Models, Backend, Fastapi, Kubernetes, Terraform, Docker
- **Published:** September 23, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5894675751

## About the Role

You'll have a high level of technical ownership and will be comfortable reviewing code, making engineering decisions and taking features through to production.

 * Strong commercial Python engineering experience
 * FastAPI and asynchronous Python
 * Experience building and supporting production APIs/services
 * Strong approach to testing, typed code and maintainability
 * Experience owning code quality and conducting senior-level code reviews
 * AWS or similar cloud experience
 * Terraform / Infrastructure as Code
 * Comfortable with Docker and modern deployment practices
 * Experience using AI-assisted development tools within engineering workflows

You'll ideally have practical experience integrating LLMs into production applications, including some of:

 * RAG
 * LLM orchestration / agentic workflows
 * Structured outputs
 * LLM evaluation and testing
 * Production AI integrations

Experience with any of the following would be beneficial:

 * Kubernetes
 * PostgreSQL
 * Security-conscious or regulated environments
 * Deploying software into complex customer environments
 * React / TypeScript
 * Working with sensitive data

We're looking for someone who is fundamentally a strong senior backend engineer and has subsequently developed meaningful experience building with modern AI/LLM technologies.

## Description

We're looking for an experienced Senior Backend AI Engineer to join a technical team building production-grade software with AI capabilities.

This is primarily a backend engineering role, rather than a pure AI/ML position. You'll be responsible for designing and delivering reliable Python services while integrating modern LLM capabilities where appropriate.


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