AI Engineer

La Fosse Associates; London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A fast-scaling onboarding platform is hiring an AI Engineer to build and deploy server architecture and optimize onboarding workflows using LLMs. The role is hybrid, requiring one day onsite per week in London. Ideal candidates will have 2-5 years of experience in related engineering roles and hands-on experience with AI tooling. Competitive salary of £80,000 - £100,000 plus share options.

Qualifications

• 2–5 years’ experience as a Software Engineer, AI Engineer, ML Engineer, or similar.
• Hands-on experience with LLMs or AI tooling in production.
• Strong backend development experience (Node.js or Python essential).

Responsibilities

• Building and deploying an MCP server architecture from scratch.
• Applying LLMs to optimise onboarding and compliance workflows.
• Collaborating with UK-based engineers to define technical direction.

Skills

Experience with Large Language Models (LLMs)

Backend development (Node.js or Python)

AWS

Infrastructure building

Self-sufficient and curious

Job description

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Job Title: AI Engineer (MCP / LLMs)
Location: London (Hybrid – 1 day per week onsite)
Salary: £80,000 - £100,000 + Share Options

About the Company

This fast-scaling onboarding platform is reinventing compliance for regulated industries. Serving sectors such as legal, real estate, finance, and accounting, their platform enables firms to onboard clients quickly, securely, and without the friction of manual processes.

Through customisable workflows, biometric ID verification, AML checks, open banking integrations, and seamless payment capabilities, they help organisations streamline onboarding, reduce risk, and improve customer satisfaction. The company is entering a new phase of technical innovation.

What You’ll Be Doing:

• Building and deploying an MCP (Model Context Protocol) server architecture from scratch
• Applying Large Language Models (LLMs) to optimise and automate onboarding and compliance workflows
• Working alongside UK-based engineers and an offshore team (5+ developers)
• Supporting the scale-up of a secure, AI-integrated infrastructure
• Collaborating closely with the CTO and senior developers to define technical direction
• Taking ownership of backend services and AI components across the platform
• Node.js and/or Python
• AWS preferred
• Experience working with or deploying LLM models
• Experience with server-side development, scalable backend systems, and security best practices in regulated environments is ideal

What We’re Looking For:

• 2–5 years’ experience as a Software Engineer, AI Engineer, ML Engineer, or similar
• Hands-on experience with LLMs or AI tooling in production
• Comfortable building infrastructure from the ground up
• Strong backend development experience (Node.js or Python essential)
• Self-sufficient, curious, and comfortable working in a fast-paced scale-up environment
• Bonus: Experience in compliance, ID verification, onboarding tech, or FinTech

Interview Process

• Task
• Interview with Engineering Lead
• Final interview with wider technical team

Interested?
Apply now or reach out directly to discuss how your experience aligns with this growing AI-driven platform.