I am a highly experienced Full Stack Software Developer with over 8 years of hands-on experience in IT consulting and enterprise software development. I design, develop, and deliver secure, scalable, and high-performance applications across ERP, HRMS, payroll, finance, insurance, e-invoicing, and operational management systems. My expertise spans the full software development lifecycle, from requirements analysis and system design to implementation, testing, deployment, and post-production support. I specialise in .NET technologies (C#, .NET Core, Razor Pages) and SQL-based databases, and I build full-stack web applications, RESTful APIs, and integrations with third-party and government systems. I have delivered end-to-end solutions from scratch, including e-invoicing platforms, insurance and will-writing applications, and petrol management systems, with a strong focus on security, performance, and maintainability. I also provide data reporting and business intelligence using Power BI, SQL Server, and Excel data sources. Based in Sydney, Australia, I hold a Working Holiday visa (subclass 462) valid through February 2027 and seek a long-term opportunity to grow technically while contributing to a forward-thinking organisation. I am known for my strong work ethic, adaptability, and problem-solving mindset.

Eng Sin Teoh

I am a highly experienced Full Stack Software Developer with over 8 years of hands-on experience in IT consulting and enterprise software development. I design, develop, and deliver secure, scalable, and high-performance applications across ERP, HRMS, payroll, finance, insurance, e-invoicing, and operational management systems. My expertise spans the full software development lifecycle, from requirements analysis and system design to implementation, testing, deployment, and post-production support. I specialise in .NET technologies (C#, .NET Core, Razor Pages) and SQL-based databases, and I build full-stack web applications, RESTful APIs, and integrations with third-party and government systems. I have delivered end-to-end solutions from scratch, including e-invoicing platforms, insurance and will-writing applications, and petrol management systems, with a strong focus on security, performance, and maintainability. I also provide data reporting and business intelligence using Power BI, SQL Server, and Excel data sources. Based in Sydney, Australia, I hold a Working Holiday visa (subclass 462) valid through February 2027 and seek a long-term opportunity to grow technically while contributing to a forward-thinking organisation. I am known for my strong work ethic, adaptability, and problem-solving mindset.

Available to hire

I am a highly experienced Full Stack Software Developer with over 8 years of hands-on experience in IT consulting and enterprise software development. I design, develop, and deliver secure, scalable, and high-performance applications across ERP, HRMS, payroll, finance, insurance, e-invoicing, and operational management systems. My expertise spans the full software development lifecycle, from requirements analysis and system design to implementation, testing, deployment, and post-production support. I specialise in .NET technologies (C#, .NET Core, Razor Pages) and SQL-based databases, and I build full-stack web applications, RESTful APIs, and integrations with third-party and government systems.

I have delivered end-to-end solutions from scratch, including e-invoicing platforms, insurance and will-writing applications, and petrol management systems, with a strong focus on security, performance, and maintainability. I also provide data reporting and business intelligence using Power BI, SQL Server, and Excel data sources. Based in Sydney, Australia, I hold a Working Holiday visa (subclass 462) valid through February 2027 and seek a long-term opportunity to grow technically while contributing to a forward-thinking organisation. I am known for my strong work ethic, adaptability, and problem-solving mindset.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate

Language

English
Fluent

Work Experience

IT Consultant & Full Stack Software Developer at EliteTech Innovation Sdn Bhd
January 1, 2023 - January 1, 2025
Led development of custom e-Invoice, petrol management system and insurance applications using .NET Core and SQL. Designed and deployed scalable web applications with secure API integrations. Delivered BI dashboards and automated reporting using Power BI.
IT Consultant & Senior Software Developer at One Tech Solutions Holdings Bhd
January 1, 2021 - January 1, 2022
Enhanced plantation ERP system with new financial, procurement, and HR modules. Provided R&D, client training, and system customisations. Improved system efficiency through automation and optimized database queries.
Junior Software Developer (Internship → Full-time) at iWoWSoft Sdn Bhd
January 1, 2017 - January 1, 2020
Supported development of HRMS modules (Payroll, Attendance, Leave). Performed bug fixes, testing, and system deployment.

Education

Bachelor of Information Technology (Hons) in Software Development at TAR UC
January 11, 2030 - January 1, 2017
Diploma in Information System Engineering at TAR UC
January 11, 2030 - January 1, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Financial Services, Government