Backend Software Engineer Python LLM

Client Server Limited; City Of London; Remote; GBP 77,000 - 104,000; Full time

Benefits offered by this job

Remote working

Pension

Healthcare

Job summary

Client Server Limited is seeking a Backend Software Engineer / Developer (Python LLM) for a remote UK role. You will build production-grade AI systems and the infrastructure that supports them, taking ownership and shaping the evolution of a conversational AI platform.

You will work with Python, LLMs and third-party AI integrations to create reliable, scalable production workflows, assess the current stack and help modernise architecture to enable next-generation AI capabilities.

Qualifications

• Strong backend Python software engineering skills.
• Experience putting LLMs into production.
• Familiar with AWS, TypeScript, Node.js, and asynchronous Python.
• Able to take ownership and make technical decisions independently.

Responsibilities

• Build production-grade AI systems and supporting infrastructure.
• Design and develop conversational AI workflows and backend services.
• Scale AI platforms with reliable, maintainable architecture.

Skills

Backend Python

Independent ownership

Collaborative

LLMs in production

Tools

AWS

TypeScript

Node.js

Asynchronous Python

Job description

Backend Software Engineer / Developer (Python LLM) Remote UK to £90k

Are you a backend focussed Software Engineer looking for an opportunity to progress your career, whilst working remotely on a modern tech stack?

You could be joining a scaling AI software solutions provider in a senior, hands-on role.

As a Backend Software Engineer you will build production grade AI systems and the infrastructure that supports them. This is a hands-on role where you'll take real ownership, make independent technical decisions and help shape the evolution of a conversational AI platform.

You'll design and develop conversational, agentic AI systems, working with Python, LLMs and third party AI integrations to build reliable, scalable production workflows. You'll assess the existing platform, identify opportunities to modernise the technology stack and help evolve the architecture to support the next generation of AI capabilities.

Location / WFH:

There's a remote first policy so you can work from home on a fulltime basis with the caveat that you'll meet up with the team once every other month (expenses paid); there's also flexible working hours (with a 10am stand-up).

About you:

• You have strong backend Python software engineering skills
• You understand conversational AI workflows and can build not just the AI functionality but also the backend services and infrastructure required to operate it reliably at scale, working with IaC
• You have experience of putting LLMs into production
• You're comfortable taking ownership and making technical decisions independently
• You're familiar with other technology in the stack including AWS, TypeScript, Node.js, asynchronous Python
• You're collaborative and pragmatic, enjoy problem solving and having technical discussions

What's in it for you:

• Salary to £90k
• Remote working (Pension
• Healthcare