Low Khong Teck
Senior Software Engineer and Backend Technical Lead with 15+ years of experience in enterprise application development, cloud infrastructure, healthcare system integration, and scalable backend solutions using .NET, Azure, AWS, and SQL technologies.
Hire this person
Send a job offer directly to this candidate
About
Senior Software Engineer / Backend Lead with more than 15 years of experience in enterprise application development, backend systems, cloud infrastructure, and system integration across healthcare and enterprise IT environments in Singapore.
Experienced in designing, developing, and maintaining scalable applications using C#.NET, VB.NET, Java/J2EE, Microsoft SQL Server, and PostgreSQL. Strong background in cloud technologies including Microsoft Azure and AWS, with hands-on experience in application deployment, infrastructure management, server migration, and production support.
Specialized in healthcare system integration, including medical device integration, Single Sign-On (SSO) implementation with Azure AD and Google Authentication, API and middleware development, and third-party system interoperability.
Proven leadership experience as an IT Backend Lead and Senior Software Engineer, managing technical teams, coordinating project delivery, supporting architecture decisions, and collaborating with cross-functional stakeholders to deliver stable and scalable enterprise solutions.
Strong problem-solving, troubleshooting, and communication skills with extensive experience supporting UAT and production environments, system optimization, and continuous improvement initiatives.
Experience
Senior Software Engineer | Apr 2024 – Present
Design, develop, and maintain enterprise applications using VB.NET and C#.NET
Develop and support cloud-native.NET applications on Microsoft Azure
Manage MSSQL and PostgreSQL databases, including optimization and performance tuning
Handle deployment, server migration, cloud infrastructure maintenance, and production support
Implement healthcare system integrations with medical devices and third-party platforms
Develop APIs, middleware, SSO integrations, and WhatsApp messaging workflows
Support Azure AD and Google Authentication integration projects
Maintain AWS EC2 and RDS environments to ensure scalability and reliability
IT Backend Lead | Jun 2019 – Apr 2024
Led backend engineering teams in delivering healthcare software solutions
Managed system architecture, backend frameworks, APIs, and cloud infrastructure
Acted as Technical Project Manager coordinating timelines and deliverables
Designed integrations with medical devices, SSO platforms, face recognition systems, and messaging services
Supported deployment, troubleshooting, optimization, and production stability
Collaborated with stakeholders, mobile teams, and business units on scalable solutions
Senior Software Engineer | Raptech Pte. Ltd. | Jan 2017 – Jun 2019
Developed and maintained web-based enterprise applications
Performed server migration, deployment, troubleshooting, and optimization
Worked closely with customers to analyze requirements and deliver technical solutions
Provided production support and system enhancements
Technical Consultant | Watchdata Technologies Pte. Ltd. | Jan 2016 – Dec 2016
Provided technical consulting and customer support within the SIM card industry
Gathered and analyzed customer requirements
Maintained source code repositories using SVN
Developed and supported internal applications
Senior Software Engineer | WIZVISION PTE LTD | Feb 2013 – Dec 2015
Developed J2EE enterprise applications and integration systems
Participated in full SDLC including deployment and production support
Worked on billing systems, facility booking systems, and reward platforms
Supported Linux-based deployment environments and Oracle databases
Software Engineer / IT Engineer | Hewlett-Packard (HP) Singapore | Feb 2011 – Jan 2013
Developed and maintained enterprise internal web applications
Supported Oracle database development and backend systems
Participated in application enhancements and production support
Software Developer | StepStone Solutions | Aug 2008 – Feb 2011
Developed ASP.NET web applications and HR/talent management systems
Worked with MSSQL Server and client-facing solution delivery
Led small project teams and supported end-to-end project implementation
Education
Bachelor’s Master in Computer Science （AI- Image processing)
Bachelor’s Degree in Information Technology / Computer Science (University of Science Malaysia, USM)
Technical Skills
C#.NET, VB.NET, ASP.NET, Java/J2EE
Microsoft Azure, AWS EC2/RDS
MSSQL, PostgreSQL, Oracle
REST API, Middleware Integration
Azure AD SSO, Google Authentication
IIS, Linux, Apache Tomcat
Jira, SVN, Git
Agile / SDLC / Production Support
