Senior Full-Stack Engineer – AI Ops, Equity & CTO Access

trg.; United Kingdom; On-site; GBP 85,000 - 120,000; Full time

Job summary

trg. is seeking a Senior Full-Stack Engineer to own end-to-end development of AI-driven workflows for enterprise customers. You’ll craft high-performance front-end interfaces and scalable backend services, collaborating closely with AI researchers to integrate LLMs and RAG into production-ready apps.

You’ll work in a fast-paced, high-autonomy environment, delivering robust code and partnering with design and AI teams to shape the product’s evolution.

Qualifications

• 5+ years of hands-on experience building full-stack production applications.
• Proficiency in React, TypeScript and Node.js, plus backend development in Python.
• Strong knowledge of cloud infrastructure (AWS, GCP or Azure) and scalable architectures.
• Understanding of AI-powered applications, including LLMs, chat interfaces and agentic workflows.
• Comfort working in a fast-paced, high-autonomy environment, solving complex problems independently.
• Strong collaboration skills across engineering, design and AI research.

Responsibilities

• Designing and building full-stack applications that power AI-driven workflows for enterprise users.
• Developing high-performance front-end interfaces for AI agent control, monitoring and visualisation.
• Building scalable backend services that support real-time AI interactions, knowledge retrieval and automation.
• Working directly with AI researchers and ML engineers to integrate LLMs and RAG into production-ready applications.
• Shipping robust, minimal-dependency code that performs efficiently in enterprise environments.
• Continuously iterating on AI-driven products, balancing user needs with technical feasibility.

Skills

Full-stack

React

TypeScript

Node.js

Python

LLMs

RAG

UI/UX

Real-time

Collaboration

Cloud platforms

Tools

GraphQL

WebSockets

Job description

trg. is seeking a Senior Full-Stack Engineer to own end-to-end development of AI-driven workflows for enterprise customers. You’ll craft high-performance front-end interfaces and scalable backend services, collaborating closely with AI researchers to integrate LLMs and RAG into production-ready apps.

You’ll work in a fast-paced, high-autonomy environment, delivering robust code and partnering with design and AI teams to shape the product’s evolution.