Software Development Engineer, Mobility Rail

ST ENGINEERING URBAN SOLUTIONS LTD.; Singapore; On-site; SGD 60,000 - 85,000; Full time

Job summary

A leading engineering firm based in Singapore is seeking a Software Developer skilled in .NET and SQL to design and maintain software for Platform Screen Doors systems. The ideal candidate will have at least 3 years of experience in software development, strong skills in object-oriented programming, and familiarity with Agile methodologies. This role offers a dynamic work environment focused on continuous improvement and team collaboration.

Qualifications

• Minimum 3 years’ experience in software application development.
• Proficiency with the .NET framework and MVVM architecture.
• Solid understanding of software development lifecycle (SDLC).

Responsibilities

• Design, develop, optimize, and maintain software applications for PSD systems.
• Implement .NET applications following MVVM and object-oriented design patterns.
• Develop and optimize SQL queries and database schemas.

Skills

Object-oriented programming

.NET (C#)

SQL database optimization

Agile methodologies

Debugging

Team collaboration

Job description

Key Responsibilities

• Design, develop, optimize, and maintain software applications for Platform Screen Doors (PSD) systems, ensuring an intuitive frontend user experience and a robust backend architecture.
• Implement and maintain .NET (C#) applications following the MVVM and object-oriented design patterns for modularity, scalability, and maintainability.
• Develop and optimize SQL queries and database schemas to ensure high performance and data integrity.
• Integrate software with hardware, PLC, and cloud systems using communication protocols (RS232, OPC-UA, etc), while handling binary-level data to enable precise, reliable, and deterministic communication across connected systems.
• Collaborate with hardware, firmware, PLC and QA teams to ensure seamless integration and verification.
• Apply secure coding practices aligned with industry standards, leveraging version control for effective collaboration.
• Ensure code quality through testing, peer reviews, and adherence to software best practices.
• Identify and implement security features to address potential risks and vulnerabilities.
• Conduct unit and integration testing, perform code reviews, and troubleshoot complex issues using root cause analysis techniques.
• Maintain comprehensive software design, architecture, and user documentation to support knowledge sharing and long-term maintenance.
• Work with customer-facing teams to transform requirements into actionable technical solutions.
• Participate in iterative development cycles and contribute to continuous improvements that enhance reliability, efficiency, and delivery quality.

Required Qualifications

• Minimum 3 years’ experience in software application development using object-oriented programming (e.g., C#, Java, etc).
• Proficiency with the .NET framework and MVVM architecture
• Experience in SQL databases, including query optimization and schema design.
• Solid understanding of the software development lifecycle (SDLC) and iterative methodologies.
• Experience with asynchronous programming and multithreading.
• Understanding of hardware integration and communication protocols.
• Exposure to Iterative, Agile, or Scrum methodologies.
• Strong debugging, research, analytical, and problem-solving skills.
• Effective team collaboration and communication skills.