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

We offer/Benefits

• 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

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