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 Senior Software Engineer 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, and maintainable solutions with minimal supervision.
• Implement architectural patterns and design standards, collaborating closely with key stakeholders to ensure adherence to defined architecture and best practices.
• Champion efficient and effective software development methodologies aligned with Agile and Lean principles, fostering continuous learning, collaboration, and iterative improvement.
• Contribute hands-on to development by designing, coding, reviewing, and optimizing critical software components and services.
• Drive adoption of DevOps practices and toolchains with a strong emphasis on automation, continuous integration, continuous deployment, and proactive operational monitoring.
• Embed security, reliability, scalability, and performance considerations into architecture, design, and development processes as non-negotiable quality attributes.
• Demonstrate deep expertise in modern platforms, frameworks, and tools, leveraging open-source technologies and open standards where appropriate to optimize cost and flexibility.
• Promote and enforce secure coding practices and the integration of security controls throughout the Software Development Life Cycle (SDLC).
• Serve as a technical bridge between engineering, QA, and other teams to design efficient testing strategies and enable high-quality, innovative delivery outcomes.

Qualifications:

Education/Training:

• Bachelor’s or master’s degree in computer science, Software Engineering, or related field.
• Proven experience (4+ years) in software development.

Technical Expertise:

• Strong proficiency in modern front-end and back-end technologies such asAngular (v10+), Java,  and Spring Boot.
• Solid knowledge ofHTML, CSS, JavaScript, TypeScript, and modern UI frameworks/libraries.
• Hands-on experience with automated unit and integration testing frameworks (e.g., Jasmine, Jest, Karma, JUnit, PyTest,Go testing, Testify  etc.).
• Experience with web components,micro front end architecture,responsive UI development.
• Strong expertise inAPI design, gRPC, RESTful services, and development of scalable web-based applications.
• Practical experience inPython orGolang development, microservices-based application design, domain-driven design (DDD), and distributed systems principles.
• Experience withPostgreSQL (or similar SQL databases) and Redis
• Proficiency in containerization and orchestration technologies includingDocker and Kubernetes.
• Proven experience designing and maintaining CI/CD pipelines and automated build and release processes.
• Working knowledge of modern data architecture.
• Experience with Agile methodologies, and JIRA.
• Deep understanding of test-driven development, and collaborative practices such as pair programming and code reviews.
• Familiarity with concept like iFrame , server side vs client-side rendering etc.
• Familiarity with version control systems such as Git-based version control, or equivalent tools
• Advanced working knowledge of Linux environments, networking fundamentals, scripting, debugging, and performance troubleshooting.
• Knowledge on observability, monitoring, logging, and reliability engineering practices.
• Understanding of secure coding standards, application security practices, and software quality assurance principles.

Nice to Have:

• Experience withGrafana
• Knowledge of UML and software design modelling techniques.
• Working knowledge of event-driven system, real-time/stream processing, data platforms and ML/AI platforms and services
• Exposure to UX/UI design principles
• Exposure to public cloud platforms and service models (IaaS, PaaS, SaaS) such as AWS, Azure, or GCP.
• Familiarity with AI-powered development tools for coding, design, testing, and documentation.

Skills and Experience:

• A self-starter with the ability to manage your time effectively, keen attention to detail and use your own initiative
• Effective communication skills at all levels of the organization and collaborative abilities.
• Excellent communication skills particularly in English (fluently spoken and written) in addition to any local language spoken at the place of work.
• The ability and motivation to persistently pursue and achieve / drive effective results which drive the business forward.
• Collaboration and Influencing with a Global mindset, cultural awareness.
• Proven matrix and stakeholder management skills/experience working virtually in diverse teams.
• The ability to make effective, timely decisions in a complex, global market by sourcing and analysing critical information. 
• The understanding and recognition of the organisation’s commercial environment and positioning themselves, their role and their actions in order to support the organisation’s commercial success.
• The ability to engage, challenge and work effectively with others.
• The ability to build an effective network of relationships both internally and externally, understanding their customers’ needs.
• Willing and able to identify and support change and continuous improvement in own and wider business environment.
• Ability to interact with cross functional teams in a matrix environment.
• Ability to work in an international and multi-cultural environment

Professional competencies

• Ability to be resourceful as well as strong at probing and translating information into insight
• Substantial experience of creating multi-platform propositions within a creative environment which supports the market and industry teams
• Experience of collaborating in a cross functional and cross-cultural organisation, with the ability to support the bridge between the markets (sales) teams and the industry (vertical) 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.