Lead Full Stack Engineer

Lead / Staff Full-Stack Engineer (Individual Contributor Focus)
6-Month Contract Outside IR35 Paddington (3 days/week)

We are partnering with a prominent consumer platform undergoing a major digital transformation and seek a Lead / Staff Full-Stack Engineer to join as a hands on contributor with strong end to end ownership.

This role involves full stack development across backend and frontend, coupled with technical ownership of solutions, focusing on building scalable, high quality systems within a modern cloud native environment.

As a Lead / Staff Full Stack Engineer, you will design and deliver comprehensive solutions spanning backend services, frontend applications, and cloud infrastructure. You will work in a modern, collaborative environment prioritising performance, reliability, and user experience.

• Design and develop full stack solutions balancing backend robustness with exceptional user experiences
• Build and maintain backend services using Kotlin, adhering to clean architecture principles
• Create modern frontend applications using React, Next.js, and TypeScript
• Own API design, integration, and lifecycle management (Apigee)
• Contribute to system design and make informed technical decisions
• Write clean, maintainable, and high quality code

• Design and operate cloud native solutions on Azure or AWS
• Work with containerised environments such as Docker and Kubernetes
• Contribute to CI/CD pipelines and modern delivery practises
• Implement observability across systems, including logging, metrics, tracing, and alerting

• Establish and uphold engineering standards and best practises
• Support colleagues through code reviews and technical guidance
• Collaborate closely with Product, DevOps, and Architecture teams
• Contribute to designing scalable, secure, and maintainable systems

• Proven experience as a Senior, Lead, or Staff Full Stack Engineer in hands on roles
• Strong backend development skills using Kotlin
• Solid frontend experience with React, Next.js, and TypeScript
• Experience building and operating cloud based systems (Azure or AWS)
• Hands on experience with containerisation and distributed systems
• Strong knowledge of API management, preferably Apigee
• Deep understanding of observability and production system monitoring
• Experience delivering scalable, production grade systems
• Excellent communication skills with the ability to influence technical decisions

• Experience working in complex, distributed environments
• Familiarity with CI/CD and DevOps practises
• Experience modernising legacy platforms or systems

• Six month contract outside IR35 with potential extension
• Hybrid working: three days per week at Paddington
• Opportunity to contribute to large scale, high impact digital platforms
• Collaborative, engineering led culture with strong technical ownership

If you are a hands on full stack engineer passionate about building end to end systems and working across modern backend, frontend, and cloud technologies, we would love to hear from you.