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 with strong time management and attention to detail.
• Excellent communication skills in English (spoken and written).
• Effective stakeholder and matrix management in virtual, diverse teams.
• Proven ability to drive results and support continuous improvement.
• Strong collaborative and influencing skills with global mindset and cultural awareness.
• Resourceful problem-solver with ability to translate information into actionable insight.
• Ability to work effectively across cross-functional and cross-cultural teams.

Join us and we’ll help build your career, with excellent training and opportunities for career growth across the business, both locally and globally. You’ll experience an inclusive environment, with strong leadership and a focus on safety and wellbeing. You’ll also have the flexibility to choose from a wide range of benefits to suit your lifestyle, offering you and your family support from a health and wellbeing, financial and lifestyle perspective.

Join us and work for a world-leader, with the benefits and training to reward your dedication and skills. Be part of a team where we are making the world a safer place.

We believe that different perspectives and backgrounds are what make a company flourish. All qualified applicants will receive equal consideration for employment regardless of color, religion, sex, sexual orientation, gender identity, national origin, economic status, disability, age, or any other legally protected characteristics. We are proud to be an inclusive company with values grounded in equality and ethics, where we celebrate, support, and embrace diversity.

At no time during the hiring process will Smiths Detection, nor any of our recruitment partners ever request payment to enable participation – including, but not limited to, interviews or testing. Avoid fraudulent requests by applying jobs directly through our career’s website.