Java Full Stack Developer

Our client is a growing, mission-led consultancy delivering secure and modern software solutions across the UK Government and Defence sectors. They are now looking for an experienced Principal Full Stack Software Engineer to join their collaborative and forward-thinking engineering team.

This is an exciting opportunity for a senior engineer who enjoys staying hands-on across both back-end and front-end development while also helping shape technical direction, mentoring teams, and driving engineering best practice.

You will work on secure, scalable cloud-native platforms, modern web applications, APIs, and digital services that support meaningful and high-impact programmes.

• Leading the design, development, and delivery of secure full-stack applications using Java, React, and modern web technologies
• Building scalable back-end services, APIs, and distributed systems
• Developing responsive and user-focused front-end applications using React and associated frameworks
• Designing and maintaining cloud-native solutions across AWS, Azure, and private cloud environments
• Driving Dev Ops and automation best practices including CI/CD, containers, and infrastructure-as-code
• Supporting and mentoring engineers within agile delivery teams
• Collaborating closely with clients, stakeholders, architects, and multidisciplinary teams to shape technical solutions
• Contributi...