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 UK EPAM Employee Stock Purchase Plan (ESPP) Protection benefits including life assurance, income protection and critical illness cover Private medical insurance and dental care Employee Assistance Program Competitive group pension plan Cyclescheme, Techscheme and season ticket loans Various perks such as free Wednesday lunch in-office, on-site massages and regular social events Learning and development opportunities including in-house training and coaching, professional certifications, and courses If otherwise eligible, participation in the discretionary annual bonus program If otherwise eligible and hired into a qualifying level, participation in the discretionary Long-Term Incentive (LTI) Program *All benefits and perks are subject to certain eligibility requirements