Backend Software Engineer Python LLM

Client Server Limited; Greater London; Remote; GBP 54,000 - 90,000; Full time

Benefits offered by this job

Remote working

Pension

Healthcare

Job summary

Client Server Limited is seeking a Backend Software Engineer to work on Python-based AI systems in a remote-first role within the UK. You'll design, build and scale production-grade backend services and AI workflows, taking ownership of key components of the platform.

You'll work with AWS, TypeScript, Node.js and asynchronous Python, delivering reliable systems that power conversational AI. Flexible hours and remote setup are offered, with monthly team meetups.

Qualifications

• Strong backend Python software engineering skills.
• Experience deploying LLM-powered systems into production.

Responsibilities

• Build production-grade AI systems and the infrastructure that supports them.
• Design and develop conversational, agentic AI systems and backend services.
• Assess the existing platform and modernise the technology stack to support next-gen AI capabilities.
• Take ownership and make technical decisions to shape the platform's evolution.

Skills

Backend Python

Conversational AI

LLMs in Production

Ownership

Tools

AWS

TypeScript

Node.js

Async 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