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 delivers scalable, secure, and maintainable software by solving complex problems and applying modern architectural patterns. It drives Agile, DevOps, and CI/CD practices while leveraging skills in Angular, Java, Spring Boot, Python, Golang, Docker, Kubernetes, and cloud platforms. Acting as a bridge across engineering, QA, and operations, it enforces secure coding, embeds observability, and fosters collaboration to ensure high‑quality, seamless product deliveries.

**As per company policy, this role requires presence in the 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 development processes.
• Promote and enforce secure coding practices and integration of security controls throughout the Software Development Life Cycle (SDLC), leveraging modern platforms, frameworks, and open-source technologies.
• Demonstrate deep expertise in modern technologies including Angular, Java, Spring Boot, Python, Golang, Docker, and Kubernetes, optimising cost and flexibility through open standards.
• Serve as a technical bridge between engineering, operations, QA, and other teams to design efficient testing strategies, enable seamless deliveries, and foster continuous learning and collaboration.
• Embed observability, monitoring, logging, and reliability engineering practices into development processes as non-negotiable quality attributes.

Qualifications:

Education & Experience:

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• 4+ years’ proven experience in software development.

Technical Expertise:

• Strong proficiency in Angular (v10+), Java, Spring Boot, Python, and Golang.
• Solid knowledge of HTML, CSS, JavaScript, TypeScript, and modern UI frameworks.
• Hands-on experience with testing frameworks (Jasmine, Jest, Karma, JUnit, PyTest, Testify).
• Experience with micro front-end architecture, responsive UI development, and web components.
• Strong expertise in API design, gRPC, RESTful services, and scalable web applications.
• Practical experience with microservices, domain-driven design, and distributed systems.
• Proficiency with PostgreSQL, Redis, Docker, and Kubernetes.
• Proven experience designing and maintaining CI/CD pipelines and automated build processes.
• Strong understanding of public cloud platforms (AWS, Azure, GCP).
• Advanced knowledge of Linux, networking, scripting, and performance troubleshooting.
• Solid understanding of observability, monitoring, logging, and reliability engineering practices.
• Knowledge of secure coding standards and application security practices.
• Experience with Agile methodologies, JIRA, and Git-based version control.
• Familiarity with AI-powered development tools and test-driven development practices.

Nice to Have:

• Experience with Grafana and UML design modelling techniques.
• Knowledge of event-driven systems, real-time data processing, and ML/AI platforms.
• Exposure to UX/UI design principles.

Skills & Attributes:

• Self-starter w…