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# Principal Software Engineer

- **Company:** 17918
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Application Integration Architecture, Mobile Application Development, Cloud Engineering, Continuous Integration, DevOps, PostgreSQL, Software Engineering, Software Systems, SQL Databases, Systems Integration, Enterprise Software Applications, Application Enhancement Tool, Event Driven Architecture, Containerization, Solid Principles, Kubernetes, Data Analytics, Apache Kafka, Docker
- **Published:** November 7, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/principal-software-engineer/55285836

## About the Role

applications using Java. Experience with AWS and modern cloud-native development. Good knowledge of PostgreSQL, SQL and data-driven application design. Experience integrating APIs, services and enterprise platforms. Knowledge of event-driven architectures and technologies such as Kafka. Strong understanding of software design principles, DevOps, CI/CD and container technologies such as Kubernetes and Docker. A passion for continuous learning, innovation and the practical use of AI-assisted development tools. So, what's in it for you? Bonus Schemes A bonus that regularly rewards you for your performance A pension of up to 12% We will match your contributions up to 6% of your salary Our award-winning Vitality health insurance With its own set of rewards and benefits Life Assurance Four times annual salary These are just some of the many perks that we offer! To view the extensive range of benefits we offer, please visit our careers page. Fantastic Benefits. Exciting rewards. Great career

## Description

About The Role Team UK Health, Adviser & Employer Engineering Working Pattern - Hybrid 2 days per week in the Vitality London, Bournemouth or Stockport Office. Full-time hours per week. We are happy to discuss flexible working! Top 3 skills needed for this role Strategic Enterprise Technology Leadership Recognised Java Engineering Expertise Advanced Architecture & Systems Integration Capability What this role is all about We're looking for a Principal Software Engineer to join Vitality's Engineering function, providing technical leadership across complex enterprise platforms and customer-facing solutions. This is a highly influential role responsible for shaping engineering standards, driving architectural decisions, leading large-scale technical initiatives and ensuring the successful delivery of integrated software solutions that support critical business outcomes. The role operates across multiple teams and works closely with senior stakeholders, architects and third-party
partners to deliver technology that enables seamless customer journeys and long-term business growth. Key Actions Lead the design, development and delivery of full stack software solutions. Provide technical leadership, shaping engineering standards, architecture and best practice. Solve complex technical challenges and improve the reliability, scalability and performance of key platforms. Work closely with engineers, architects, product teams and business stakeholders to deliver customer-focused solutions. Drive continuous improvement through modern engineering practices, tooling and automation. Coach and mentor engineers, helping to grow technical capability across the organisation. Explore opportunities to use AI-powered tools and automation to improve engineering productivity and quality. Stay curious about emerging technologies, bringing new ideas and improvements into the team. What do you need to thrive? Strong experience building and supporting enterprise-scale full stack