Senior Java Full Stack Software Engineer

We're hiring a Senior Software Engineer to join a mission-driven digital consultancy supporting major public sector organisations. You'll help design and deliver modern, user-centred digital services - working with multidisciplinary teams to solve meaningful problems and drive sustainable change.

If you're passionate about high-quality engineering, enjoy mentoring others, and want your work to have real public impact, this role is for you.

The Role

As a Senior Software Engineer (Full Stack) you'll design, build and deploy scalable, secure and well-tested software solutions. You'll contribute to architecture decisions, champion development best practice, and help guide engineers at all levels.

You'll work closely with designers, product managers, DevOps specialists and delivery leads, shaping software that meets real user needs and supports long-term transformation in the public sector.

What You'll Be Doing

• Designing, developing and maintaining complex full-stack solutions
• Making architectural decisions aligned with project goals and good engineering practice
• Leading on CI/CD implementation and optimisation to improve delivery speed and quality
• Mentoring junior and mid-level engineers, promoting modern software standards
• Collaborating with cross-functional teams (Product, UX, DevOps, QA)
• Conducting code reviews and advocating for high coding standards
• Troubleshooting production and development issues
• Driving continuous improvement across testing, documentation and tooling
• Providing technical insight in early project discovery phases
• Communicating complex technical concepts to non-technical stakeholders

• Proven experience in full-stack software development (design, build, test, deploy)
• Strong hands-on experience with Java, Spring Boot, and microservices
• Solid understanding of Agile and DevOps practices, with real-world CI/CD delivery
• Experience with cloud platforms (AWS, Azure or GCP) and Infrastructure as Code
• Proficiency with automated testing, code quality practices and modern engineering tooling
• Knowledge of microservices, containers (Docker/Kubernetes), or serverless architectures
• Ability to communicate clearly with both technical and non-technical audiences

Desirable

• Previous experience in a senior engineering or technical leadership role
• Public sector or central government project experience
• Consultancy experience and comfort working directly with clients
• Proficiency across multiple languages (Java, Python, JavaScript, etc.), If you're a Senior Software Engineer who wants to deliver meaningful public sector change through high-quality engineering, we'd love to hear from you.

You'll thrive here if you:

• Enjoy solving complex, meaningful problems
• Want to contribute to public sector services with real citizen impact
• Like mentoring others and shaping engineering culture
• Value continuous learning and modern engineering practices
• Are collaborative, empathetic and comfortable working in agile, multi-disciplinary teams

Why Join

This organisation is purpose-driven, focusing on people-powered transformation that improves communities, public services and long-term outcomes. You'll be part of a supportive, values-driven team that champions learning, openness and sustainable change.

Benefits include:

• 30 days holiday + bank holidays
• 2 paid volunteer days
• Enhanced maternity/paternity leave
• 5% pension contribution
• Health cash plan & wellbeing support
• Personal learning & development budget
• Share Incentive Plan
• EV leasing, cycle-to-work and green benefits …and more.