Title:  Assistant Software Lead

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 where it operates a 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 Codex Solutions  

A joint venture company by ST Engineering Mission Software & Services Pte. Ltd. and HTX (Home Team Science and Technology Agency), Codex Solutions is set up to be a dynamic and forward-looking technology company established to develop cutting-edge software solutions that support and strengthen Singapore’s homeland security efforts. As a mission-driven organisation, we are focused on building strong in-house capabilities that directly address the complex challenges faced by the Home Team.

With a strong emphasis on innovation, product excellence, and impact at scale, Codex Solutions offers a unique environment where purpose meets technology. We are assembling a diverse and talented team of technologists and problem solvers who are passionate about making a real difference. If you're looking to shape meaningful solutions and be part of something bigger — Codex Solutions is where you’ll want to be.

Together, We Can Make A Significant Impact 

We are looking for a passionate and experienced Software Lead with 6–10 years of experience in software development, including team leadership and solution design responsibilities. This role is critical in driving end-to-end delivery of secure, scalable, and high-quality digital solutions within the public sector.

Be Part of Our Success

• Lead and mentor a team of developers to deliver high-impact digital solutions.
• Architect and design fullstack systems with a focus on scalability, performance, and maintainability.
• Develop and review robust APIs, ensuring they meet security and performance standards.
• Champion secure coding practices and DevSecOps principles throughout the software development lifecycle.
• Oversee CI/CD pipeline setup and ensure quality assurance integration within DevSecOps workflows.
• Collaborate with cross-functional teams including business analysts, UI/UX designers, and infrastructure engineers.
• Ensure alignment with cloud best practices (AWS or Azure) for deployment, monitoring, and maintenance.
• Deliver systems that integrate with government authentication mechanisms (e.g., Singpass, Corppass) and adhere to public sector compliance standards.
• Support project planning, estimation, and risk management.

Qualities We Value

• At least 6 years of hands-on development experience, with a minimum of 2–3 years leading software teams or projects.
• Strong proficiency in fullstack development (frontend and backend).
• Proven expertise in designing and developing RESTful APIs.
• Solid knowledge of secure coding practices and experience in DevSecOps toolchains.
• Proficient in cloud platforms such as AWS or Azure.
• Experience delivering systems for the government sector, especially those involving integration with government authentication services.
• Familiar with agile delivery methodologies.
• Excellent communication, problem-solving, and leadership skills.

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.