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 frontend architecture, modernise legacy tech and deliver highquality, cloudfirst solutions that make a real impact.

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

As our Lead Full Stack Developer, you'll shape the future of StepChange's digital experience-designing, building and delivering robust, scalable and highquality software solutions that make a real difference for our clients. As the technical authority for our NextJS web channels on AWS, you'll own frontend architecture decisions, create reusable components and drive cloudfirst engineering excellence.

You'll balance modern development with the ability to support legacy Angular and .NET systems, all while working handson in an Agile environment. Through close collaboration with engineering, product and business teams, you'll lead the charge in delivering seamless, secure and impactful digital journeys.

What you'll be doing

As a Lead Full Stack Developer, you'll be the driving force behind our frontend architecture-setting standards in TypeScript, React and NextJS while ensuring performance, scalability and security across all solutions. You'll stay handson with AWS, building cloudnative applications, reusable components and supporting legacy Angular and .NET systems when needed. You'll champion modern engineering practices like CI/CD, GitHub Actions, automated testing and DevSecOps to deliver highquality, maintainable code.

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

What you'll bring

Your engineering expertise to a role where you'll shape modern, cloudnative digital experiences. With strong handson skills in TypeScript, React, NextJS and AWS services like Lambda, API Gateway, RDS and Cognito, you'll design highquality 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.

You'll thrive in an Agile environment, using your technical depth to guide engineering decisions and elevate frontend capability across the team. Whether mentoring developers, supporting legacy Angular/.NET systems or contributing to modern CMS integrations, you'll 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. We're always looking to increase the diversity of our workforce to ensure we can provide the best service possible for everyone. It's not just about the professional experience you bring - we're interested in who you are and your potential. If there's an adjustment to our recruitment process that would help you to be your best, speak to our team and they'll be happy to help.