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AI Application Developer

Summary

Designing and deploying Agentic AI and Generative AI solutions using LangChain, LangGraph, RAG architectures, and LLM orchestration frameworks in London.

Salary: £? - ? per year

Requirements:
  • Strong experience designing and deploying Agentic AI and Generative AI solutions
  • Hands-on experience with Large Language Models and AI orchestration frameworks
  • Expertise in LangChain, LangGraph, CrewAI or similar agent frameworks
  • Strong understanding of RAG architectures, vector databases and contextual retrieval strategies
  • Experience implementing advanced prompt engineering techniques
  • Knowledge of Model Context Protocol integrations
  • Experience with Transformer architectures and the Hugging Face ecosystem
  • Strong backend development experience in one or more of Java, Python or Node.js
  • Front-end development experience using React and TypeScript
  • Experience deploying containerised applications using Kubernetes or OpenShift
  • Strong understanding of cloud-native architecture principles
  • Experience working with CI/CD tools including GitHub Actions, Jenkins or Tekton
  • Experience developing multi-source data ingestion pipelines
  • Understanding of event-driven architectures and intelligent automation solutions
  • Ability to integrate structured and unstructured data sources into AI-powered applications
  • Experience delivering AI solutions within highly regulated environments
  • Financial Services or Banking sector experience
  • Knowledge of enterprise integration patterns and event-streaming technologies
  • Experience working in Agile delivery teams
Responsibilities:
  • Design, develop and deploy Agentic AI and Generative AI applications using modern LLM technologies
  • Build AI agent ecosystems leveraging frameworks such as LangChain, LangGraph and CrewAI
  • Develop and implement Retrieval-Augmented Generation pipelines to improve application accuracy, relevance and contextual awareness
  • Create advanced prompt engineering strategies and integrate Model Context Protocol capabilities
  • Develop intelligent workflow solutions including context-aware and ambient intelligence applications
  • Integrate and process data from multiple internal and external sources
  • Design and implement event-detection algorithms and real-time intelligence capabilities
  • Build scalable backend services and APIs supporting AI-powered applications
  • Develop modern user interfaces and web applications to support AI-driven solutions
  • Collaborate with architects, product teams and stakeholders to define technical solutions and delivery roadmaps
  • Ensure solutions are deployed using enterprise-grade CI/CD and cloud-native engineering practices
Technologies:
  • Agentic AI
  • AI
  • Backend
  • CI/CD
  • Cloud
  • GitHub
  • Support
  • Java
  • Jenkins
  • Kubernetes
  • LLM
  • OpenShift
  • Python
  • RAG
  • React
  • TypeScript
  • Web
  • NodeJS
  • AI Agents
  • DevOps
  • MCP

More:

We are recruiting for an AI Application Developer to join a high-performing engineering team on a 6-month contract basis, working remotely with occasional travel into our London office. The role is for a large-scale financial services client and is paid at a rate of £450 per day inside IR35. We are looking for someone with banking background experience to help deliver next-generation Agentic AI and Generative AI solutions in a regulated environment.

last updated 34 week of 2026

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