Senior Software Engineer

Every minute of every day, Smiths Detection’s threat detection and security screening technology helps to protect people and infrastructure, making the world a safer place. Smiths Detection is a global leader in the development, manufacture and management of security and detection solutions designed to make the world a safer place. Our technology provides threat detection and screening solutions for customers in our key markets: aviation, ports and borders, defence, and urban security. Our expertise spans 21 global offices, seven manufacturing sites and five R&D centres, with a global network of 3,000 dedicated colleagues contributing towards over 40 years at the frontline of advances in safety and security. This results in careers built on variety and the opportunity to work on a range of state-of-the-art solutions, where you can develop your knowledge and experience every day. Job Purpose: The role ensures the design and development of scalable, secure, and high‑performance applications by leveraging expertise in Angular, Java, Spring Boot, Python, Golang, and modern UI frameworks. It focuses on building microservices, APIs, and CI/CD pipelines while embedding observability, security, and reliability. By collaborating across cross‑functional teams, the role drives innovation, continuous improvement, and delivery of robust software solutions. This role requires presence in office 4 days per week. Duties: Solve highly complex technical problems and deliver innovative, scalable, maintainable solutions by implementing architectural patterns and design standards with minimal supervision. Champion efficient software development methodologies aligned with Agile and Lean principles, contributing hands-on to development, design, code review, and optimisation of critical software components. Drive adoption of DevOps practices, CI/CD platforms, and automation toolchains whilst embedding security, reliability, scalability, and performance considerations into architecture and