Lead Full Stack Developer

Ready to lead the engineering vision behind our NextJS digital channels and shape how clients experience StepChange online.

Want to own front-end architecture, modernise legacy tech and deliver high-quality, cloud-first solutions that make a real impact.

Excited to combine hands-on development with technical leadership in an Agile environment where your decisions drive meaningful change.

As our Lead Full Stack Developer, youll shape the future of StepChanges digital experiencedesigning, building and delivering robust, scalable and high-quality software solutions that make a real difference for our clients. As the technical authority for our NextJS web channels on AWS, youll own front-end architecture decisions, create reusable components and drive cloud-first engineering excellence.

Youll balance modern development with the ability to support legacy Angular and .NET systems, all while working hands-on in an Agile environment. Through close collaboration with engineering, product and business teams, youll lead the charge in delivering seamless, secure and impactful digital journeys.

What youll be doing

As a Lead Full Stack Developer, youll be the driving force behind our front-end architecturesetting standards in TypeScript, React and NextJS while ensuring performance, scalability and security across all solutions. Youll stay hands-on with AWS, building cloud-native applications, reusable components and supporting legacy Angular and .NET systems when needed. Youll champion modern engineering practices like CI/CD, GitHub Actions, automated testing and DevSecOps to deliver high-quality, maintainable code.

Youll lead Agile delivery, turning complex requirements into clean technical solutions and ensuring fast, reliable execution. As a player-coach, youll mentor engineers, strengthen capability across key technologies and foster a culture of ownership and continuous improvement. With a focus on operational excellence, youll enhance onboarding, improve monitoring and reliability, support incident resolution and drive productivity. Working closely with product, business and technical stakeholders, youll help shape modern software solutions and champion engineering excellence across the organisation.

What youll bring

Your engineering expertise to a role where youll shape modern, cloud-native digital experiences. With strong hands-on skills in TypeScript, React, NextJS and AWS services like Lambda, API Gateway, RDS and Cognito, youll design high-quality applications, build reusable components and work confidently across SQL, RESTful APIs, GitHub workflows and CI/CD tooling. Your understanding of web security, observability tools and cloud concepts will help you deliver reliable, secure and scalable solutions.

Youll thrive in an Agile environment, using your technical depth to guide engineering decisions and elevate front-end capability across the team. Whether mentoring developers, supporting legacy Angular/.NET systems or contributing to modern CMS integrations, youll champion best practice, clean architecture and continuous improvement. This is your chance to drive engineering excellence and help shape the future of our digital platforms.

Equality, Diversity, and Inclusion

Equality, diversity, and inclusion are incredibly important to us; we have a culture of belonging. Were always looking to increase the diversity of our workforce to ensure we can provide the best service possible for everyone. Its not just about the professional experience you bring were interested in who you are and your potential. If theres an adjustment to our recruitment process that would help you to be your best, speak to our team and theyll be happy to help.