Lead Full Stack Developer

We are looking for a Lead Full Stack Developer to join our team in London and help deliver scalable, secure and cloud-based applications. This role combines full-stack software engineering, AI enablement and modern cloud development. The successful candidate will have strong experience in front-end and back-end development, hands-on expertise with Azure and Databricks and the ability to design reliable solutions that support complex business needs.

Responsibilities

Design, develop and maintain scalable full-stack applications using modern technologies Build responsive user interfaces with React, TypeScript and related front-end technologies Develop secure REST APIs and back-end services using .NET/C# or Python Create reusable components, shared services and maintainable application architectures Develop and integrate solutions using Azure and Databricks services Implement AI-powered functionality using large language models, AI services and modern engineering frameworks Design and support integrations with enterprise applications, databases and external APIs Contribute to CI/CD pipelines, automated testing and software delivery processes Ensure application security, reliability and performance through monitoring and best practices Collaborate with cross-functional stakeholders to deliver technical solutions and continuous improvements Requirements Strong experience developing production applications using React Proficiency in TypeScript, JavaScript, HTML5 and CSS3 Professional experience with .

NET/C# or Python development Experience designing and developing secure REST APIs and back-end services Hands-on experience with Microsoft Azure and Databricks Understanding of generative AI, large language models and AI-enabled application development Strong knowledge of SQL, relational databases and enterprise system integration Experience with Git-based development workflows and GitHub Actions CI/CD pipelines Understanding of authentication, authorization, application security and cloud operations Strong analytical, problem-solving and stakeholder communication skills Nice to have Knowledge of retrieval-augmented generation (RAG), agent-based workflows or AI orchestration patterns Experience with asynchronous processing, messaging or event-driven architectures Familiarity with Docker and containerized application deployments Experience working with OAuth 2.

0, OpenID Connect and single sign-on solutions Exposure to monitoring, observability and production support practices