Senior Application Software Developer (DSC/TE)

About ST Engineering

ST Engineering is a global technology, defence, and engineering group with offices across Asia, Europe, the Middle East, and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence, and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Our history spans more than 50 years, and our strategy is underpinned by our core values – Integrity, Value Creation, Courage, Commitment and Compassion. These 5 core values guide every aspect of our business and are embedded in our ST Engineering culture – from the people we hire, to working with each other, to our partners and customers.

About our Line of Business – Advanced Networks & Sensors

Our Advanced Networks & Sensors business specializes in platform digitalization, advanced connectivity, and cutting-edge manufacturing. This diversity of capabilities presents a range of roles through which you can contribute to the development of innovative, secure, and patented products. Join our team and play a crucial role in developing tomorrow’s technology and connectivity solutions and services to sectors spanning defence, public security, government, and the commercial realm. Your work will have a global impact as we empower customers through advanced communications, intelligent sensors, and the deployment of AI-enabled Edge applications for mission-critical roles.

Together, We Can Make A Significant Impact

The role will report to the Lead Solution Architect. He/She will be responsible for designing, developing, testing, and maintaining enterprise-grade software applications that support AI-enabled digital products and advanced connectivity solutions. The ideal candidate should have at least 4 to 5 years of hands-on application software development experience, with strong technical capability in full-stack or backend development, API integration, databases, code quality, testing, and deployment practices. He/She will work closely with solution architects, AI engineers, product managers, QA engineers, DevOps teams, and stakeholders to deliver scalable, secure, and maintainable software solutions. The role requires a proactive developer who can translate business requirements into robust technical solutions, guide junior developers when required, and apply modern development practices including AI-assisted coding, automated testing, and continuous integration.

Be Part of Our Success

• Design, develop, enhance, and maintain enterprise, web-based, and cloud-ready applications

• Translate business and functional requirements into technical design, application features, and implementation tasks

• Develop clean, secure, scalable, and maintainable code following software engineering best practices

• Build and integrate RESTful APIs, backend services, databases, and third-party systems

• Perform code reviews, code validation, debugging, troubleshooting, and performance optimisation

• Develop and maintain unit tests, integration tests, and automated test scripts to ensure software quality

• Contribute to CI/CD pipelines, deployment automation, release management, and DevOps practices

• Apply AI-assisted development tools, where appropriate, to improve productivity while ensuring code correctness and maintainability

• Collaborate with solution architects, product owners, QA, DevOps, UX, and cross-functional teams in an Agile development environment

• Provide technical guidance to junior developers and support continuous improvement of development standards and practices

Qualities We Value

• Knowledge in Computer Science, Software Engineering, Information Technology, or a related field

• At least 4 to 5 years of hands-on experience in application software development

• Strong programming experience in one or more languages such as Java, Python, C#, JavaScript, or TypeScript

• Good understanding of software architecture, object-oriented programming, data structures, design patterns, and secure coding practices

• Experience in frontend, backend, or full-stack development using modern web frameworks and application platforms

• Experience developing and integrating APIs, microservices, databases, and enterprise applications

• Proficient in version control tools such as Git and familiar with branching, merging, and peer review workflows

• Working knowledge of SQL or NoSQL databases, data modelling, and application performance optimisation

• Experience with testing practices including unit testing, integration testing, test automation, and defect resolution

• Familiarity with CI/CD pipelines, containerisation, cloud platforms, and DevOps tools will be advantageous

• Experience using AI coding assistants or AI-assisted development tools such as GitHub Copilot will be advantageous

• Strong problem-solving, analytical thinking, communication, and teamwork skills

• Ability to work independently, take ownership of assigned modules, and deliver quality software within project timelines

• Working location is in Ang Mo Kio

Our Commitment That Goes Beyond the Norm

• An environment where you will be working on cutting-edge technologies and architectures.

• Safe space where diverse perspectives are valued, and everyone’s unique contributions are celebrated.

• Meaningful work and projects that make a difference in people’s lives.

• A fun, passionate and collaborative workplace.

• Competitive remuneration and comprehensive benefits.