Senior Generative AI Engineer — LLMs, RAG & Copilot

DCV Technologies; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

DCV Technologies in London is seeking an experienced AI Engineer to join a major enterprise AI programme. You will design, build and deploy Generative AI and LLM-powered applications for a major bank, delivering intelligent assistants, copilots and automation.

The role focuses on Retrieval-Augmented Generation, vector databases and enterprise knowledge sources, with hands-on work across LangChain, Copilot, and cloud APIs. Interviews are booked for August/September, and the contract is 12 months.

Qualifications

• Experience building Generative AI and LLM-powered applications.
• Hands-on experience with Retrieval-Augmented Generation (RAG).
• Strong API and cloud architecture skills.

Responsibilities

• Design, build and deploy Generative AI and LLM-powered applications
• Develop AI assistants, copilots and automation solutions
• Build Retrieval-Augmented Generation (RAG) applications
• Work with vector databases and enterprise knowledge sources
• Integrate LLM and AI services through APIs and cloud architectures
• Develop and optimise prompts for enterprise AI applications

Skills

LLMs

Generative AI

GitHub Copilot

Claude Code

OpenAI GPT/Azure OpenAI

Anthropic Claude APIs

LangChain

LangGraph

CrewAI

Python

JavaScript/TypeScript

C#

Java

REST APIs

Microservices

Azure Cloud

AWS Cloud

GCP Cloud

Docker

Kubernetes

Terraform

Tools

Docker

Kubernetes

Terraform

Azure DevOps

GitHub Actions

Jenkins

Job description

DCV Technologies in London is seeking an experienced AI Engineer to join a major enterprise AI programme. You will design, build and deploy Generative AI and LLM-powered applications for a major bank, delivering intelligent assistants, copilots and automation.

The role focuses on Retrieval-Augmented Generation, vector databases and enterprise knowledge sources, with hands-on work across LangChain, Copilot, and cloud APIs. Interviews are booked for August/September, and the contract is 12 months.