Full Stack Application Developer at Keystream Group Limited, South East London, £Contract Rate

KeyStream are looking to find an experienced Senior Full Stack Application Developer to support a major NHS digital transformation programme.

This is an exciting contract opportunity for an accomplished software developer with strong Microsoft technologies experience to contribute to the delivery of innovative digital solutions that support clinical and operational services across a large healthcare environment.

Working within a busy Digital Applications function, you will be responsible for designing, developing and enhancing applications, integrations and cloud-based solutions that improve user experience, operational efficiency and service delivery. You will also have the opportunity to work with emerging technologies, including AI-enabled solutions, as part of ongoing digital innovation initiatives.

• Design, develop and support full stack applications and digital solutions.
• Build and maintain APIs, integrations and automated workflows.
• Work closely with technical and operational stakeholders to understand requirements and translate them into scalable solutions.
• Develop and enhance cloud-hosted applications and services.
• Support the implementation of modern software engineering practices, including CI/CD and DevOps methodologies.
• Contribute to solution design and technical architecture discussions.
• Ensure applications are secure, performant and maintainable.
• Support digital innovation projects, including AI and data-driven solutions where appropriate.

• Strong commercial experience developing applications using:
  • C#
  • .NET / ASP.NET
  • Azure
  • SQL Server
• Experience developing RESTful APIs and system integrations.
• Strong front-end development experience using technologies such as:
  • React
  • Angular
  • JavaScript
  • TypeScript
• Experience working within cloud-based environments.
• Experience of modern software development methodologies and Agile delivery.
• Understanding of DevOps principles and CI/CD pipelines.
• Strong problem-solving and analytical skills.

• Healthcare or NHS experience.
• Experience with Azure AI Services, OpenAI, Copilot or Machine Learning technologies.
• Experience working with container technologies such as Docker and Kubernetes.
• Knowledge of interoperability standards including HL7 and FHIR.
• Experience working on digital transformation programmes.

We are interested in speaking with professionals currently working as:

• Senior .NET Developer
• Lead Developer
• Full Stack Developer
• Software Engineer
• Senior Software Engineer
• Technical Lead
• Principal Developer
• Solutions Developer

• Band 8a equivalent day rate
• NHS environment
• Outside IR35 subject to determination
• Hybrid working available
• Initial contract with potential extension

If you are a seasoned Microsoft-stack developer with Azure expertise and an interest in helping deliver meaningful digital change within healthcare, we'd love to hear from you.