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Vacancy description

Full Stack Engineer (Agentic AI) in London, United Kingdom

GCS

London, United Kingdom

Salary: £? - ? per year Requirements:

  • Extensive experience as a Senior Fullstack Developer or in a similar role
  • Expert knowledge of React and Python, including modern patterns, hooks, state management, and performance optimisation
  • Proven experience deploying applications to cloud platforms, ideally Microsoft Azure; AWS experience is also welcome
  • Experience integrating front-end applications with APIs, microservices, and distributed systems
  • Familiarity with container technologies such as Docker and container-based deployment models
  • Experience working on applications that handle large datasets or high-traffic environments
  • Strong understanding of front-end performance, observability, and optimisation techniques
Responsibilities:
  • Design, build, and maintain scalable front-end applications using React, Python, and modern JavaScript/TypeScript
  • Build front-end solutions that support high data throughput, performance optimisation, and responsiveness at scale
  • Collaborate on deploying applications to cloud environments, preferably Azure or alternatively AWS
  • Integrate front-end applications with AI-powered services, including LLM-based APIs, workflows, and Agentic AI systems
  • Work with automation and orchestration services, particularly within Azure
  • Work with containerised environments such as Docker and contribute to cloud-native deployment pipelines
  • Support CI/CD processes and promote reliable, repeatable deployments
  • Work closely with backend engineers, cloud specialists, and AI teams to deliver production-ready applications
Technologies:
  • Agentic AI
  • AI
  • AWS
  • Azure
  • Backend
  • CI/CD
  • Cloud
  • Docker
  • Fullstack
  • Support
  • JavaScript
  • LLM
  • Python
  • React
  • TypeScript
  • Web
  • microservices
  • DevOps

More:

We are building an AI and agentic capability on Azure using Python as part of an initial workstream. Our team will partner with the business to shape and deliver an early solution, establishing technical foundations, architecture, and product direction for the wider programme. This is a senior fullstack role focused on scalable, high-performance web applications that handle large volumes of data and integrate AI-driven components. GCS is acting as an Employment Business in relation to this vacancy.

last updated 44 week of 2026

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