Senior Full Stack Developer (React, Python & Azure AI) Location: London/ Hybrid Start: ASAP About the Opportunity We are seeking an experienced Senior Full Stack Developer to join a cutting-edge programme focused on delivering AI-powered solutions on Microsoft Azure. This initial workstream is dedicated to building an Agentic AI capability using Python and Azure technologies, working closely with business stakeholders to define the technical foundation, architecture, and product direction for a wider enterprise AI programme. This is an exciting opportunity to work on innovative AI initiatives, cloud-native applications, and large-scale data-driven solutions while helping shape future platform capabilities. The Role As a Senior Full Stack Developer, you will play a key role in designing, developing, and deploying modern web applications that integrate with AI-powered services and large-scale distributed systems. You will collaborate with cloud engineers, architects, data specialists, and AI teams to deliver scalable, secure, and high-performing solutions in Azure environments. Key Responsibilities Design, develop, and maintain scalable full-stack applications using React, Python, JavaScript, and TypeScript Build responsive, high-performance front-end solutions capable of handling large data volumes Develop and integrate APIs, microservices, and distributed systems Deploy and manage applications within Microsoft Azure environments Integrate applications with LLM-based services, Agentic AI workflows, and AI-driven platforms Work with containerised solutions using Docker and cloud-native deployment approaches Support and enhance CI/CD pipelines to ensure reliable and repeatable deployments Collaborate closely with architecture, cloud, and AI teams to deliver production-ready solutions Drive performance optimisation, observability, scalability, and application reliability Required Skills & Experience Essential Extensive experience as a Senior Full Stack Developer Strong expertise in: React JavaScript / TypeScript Python Deep understanding of modern React development: Hooks State management Component architecture Performance optimisation Proven experience deploying applications to cloud environments, ideally Microsoft Azure Strong experience integrating APIs, microservices, and distributed architectures Hands-on experience with Docker and containerised deployments Experience building applications that support high traffic volumes and large datasets Strong understanding of frontend performance, monitoring, and observability Experience working within Agile delivery teams Desirable Azure AI Services Azure OpenAI Agentic AI frameworks Azure Container Apps Azure Kubernetes Service (AKS) Infrastructure as Code Experience with AWS cloud platforms Exposure to enterprise-scale AI transformation programmes What You'll Be Working On AI-powered enterprise applications Agentic AI and intelligent workflow solutions Azure cloud-native platforms Large-scale data processing and visualisation solutions Production-grade deployment pipelines Modern React front-end architectures Ideal Candidate You are a hands-on Senior Engineer who enjoys solving complex technical challenges and building products that deliver real business value. You have strong cloud deployment experience, enjoy working with modern web technologies, and are excited by the opportunity to work at the forefront of AI and Azure innovation. Interested? If you have strong experience with React, Python, Azure cloud technologies, AI integrations, and modern full-stack development, we'd love to hear from you. Apply now to be part of a pioneering AI programme shaping the future of enterprise solutions. GCS is acting as an Employment Business in relation to this vacancy