Senior Fullstack Engineer x2

Project overview

SENIOR FULLSTACK ENGINEERS

A well-established energy company is looking for two Senior Fullstack Engineers to help build and deliver an early AI and agentic capability solution on Azure. Focused on establishing technical foundations, architecture, and product direction, this role involves creating scalable, high-performance web applications that handle large volumes of data and integrate AI-driven components.

The successful engineer will collaborate closely with Back End engineers, cloud specialists, and AI teams to deliver intelligent, production-ready applications.

CONTRACT

WHAT YOU'LL BE DOING

KEY REQUIREMENTS

WHAT NEXT

If you're a Senior Fullstack Engineer with strong React and Python skills ready to work on cutting-edge AI capabilities, please hit apply!

GCS is acting as an Employment Business in relation to this vacancy.

• Initial 6-Month Contract (Potential Extension)
• £450 Per Day (Inside IR35)
• Hybrid Working (2 days a week in London)
• 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 the deployment of applications to cloud environments (mostly Azure)
• Integrate Front End applications with AI-powered services, including LLM-based APIs, workflows, and Agentic AI systems.
• Work with containerised environments (eg, Docker) and contribute to automation, orchestration services, and cloud-native deployment pipelines.
• Support CI/CD processes and promote reliable, repeatable deployments.
• experience
• React and Python experience (modern patterns, hooks, state management, performance optimisation etc.)
• Previously deployed applications to cloud platforms, ideally Microsoft Azure (AWS acceptable).
• 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.

Project details

• Start: ASAP
• Duration: 6 months+
• Location: City of London, UK, GB
• Rate: 50-56 EUR/h