Senior Full Stack Software Engineer (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 100countries. 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 We are looking for a Senior Full Stack Software Engineer to design, build and operate secure, scalable and maintainable digital applications. The role covers the complete software lifecycle and technology stack, from user interfaces and backend services to APIs, data stores, integrations and production support. You will work with product, design, engineering, quality, cybersecurity and platform teams to turn business needs into reliable software products. Be Part of Our Success Full Stack Application Development • Design, build, test, deploy, and maintain scalable web applications and backend services. • Develop responsive, accessible user interfaces using modern frontend frameworks. • Build secure APIs and integrations with enterprise and third-party systems. • Design and manage relational and NoSQL databases for performance and scalability. • Apply best practices in software architecture, clean code, and reusable design. Quality, Security & Operations • Implement security controls, authentication, authorization, validation, logging, and error handling. • Develop automated unit, integration, API, and UI tests. • Contribute to CI/CD pipelines, containerized deployments, and release automation. • Monitor application health, troubleshoot production issues, and improve system reliability. • Support incident management, root-cause analysis, and continuous improvement initiatives. Technical Leadership & Collaboration • Work with business and product teams to refine requirements and solution designs. • Collaborate with QA, DevOps, Security, Data, Architecture, and UX teams throughout delivery. • Participate in design reviews, code reviews, and technical decision-making. • Maintain technical documentation, architecture artifacts, and operational runbooks. • Mentor team members and promote engineering excellence and best practices. Qualities We Value • Knowledge in Computer Science, Software Engineering, Computer Engineering, or related discipline (or equivalent experience). • Minimum 5 years' experience building and supporting production-grade software applications. • Proven full-stack development experience across frontend and backend technologies. • Strong proficiency in JavaScript/TypeScript and frameworks such as React, Angular, or Vue. • Strong backend development experience with Java, C#, Node.js, Python, or similar technologies. • Experience designing and integrating RESTful APIs and enterprise systems. • Solid understanding of software architecture, OOP, design patterns, algorithms, and data structures. • Experience with SQL databases, Git, automated testing, CI/CD, containers, and production support. • Knowledge of application security, identity management, and secure software development. • Experience deploying applications on cloud platforms such as Azure, AWS, or Google Cloud. • Strong analytical, troubleshooting, communication, and stakeholder management skills. • Ability to translate business requirements into maintainable technical solutions. • Working location is in Jurong East • Singaporeans Only 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.