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I am a Software Development Engineer with 8+ years of experience delivering enterprise software across ERP, HRMS, payroll, finance, and e-invoicing. I design, develop, and deploy scalable web and mobile applications using C#, ASP.NET MVC, .NET Core, Razor Pages, SQL Server, RESTful APIs, and Microsoft technologies, with a strong focus on performance, security, and maintainability. I excel at translating business requirements into effective technical solutions, collaborating with clients, consultants, and cross-functional teams throughout the SDLC. My strengths include object-oriented programming, software architecture, API integration, SQL optimization, and delivering secure, maintainable, high-performance enterprise applications that drive operational efficiency.…I am a Software Development Engineer with 8+ years of experience delivering enterprise software across ERP, HRMS, payroll, finance, and e-invoicing. I design, develop, and deploy scalable web and mobile applications using C#, ASP.NET MVC, .NET Core, Razor Pages, SQL Server, RESTful APIs, and Microsoft technologies, with a strong focus on performance, security, and maintainability. I excel at translating business requirements into effective technical solutions, collaborating with clients, consultants, and cross-functional teams throughout the SDLC. My strengths include object-oriented programming, software architecture, API integration, SQL optimization, and delivering secure, maintainable, high-performance enterprise applications that drive operational efficiency.

Eng Sin Teoh

Full Stack Developer, Web Developer, Front-End Developer, +3

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I am a Software Development Engineer with 8+ years of experience delivering enterprise software across ERP, HRMS, payroll, finance, and e-invoicing. I design, develop, and deploy scalable web and mobile applications using C#, ASP.NET MVC, .NET Core, Razor Pages, SQL Server, RESTful APIs, and Microsoft technologies, with a strong focus on performance, security, and maintainability. I excel at translating business requirements into effective technical solutions, collaborating with clients, consultants, and cross-functional teams throughout the SDLC. My strengths include object-oriented programming, software architecture, API integration, SQL optimization, and delivering secure, maintainable, high-performance enterprise applications that drive operational efficiency.…I am a Software Development Engineer with 8+ years of experience delivering enterprise software across ERP, HRMS, payroll, finance, and e-invoicing. I design, develop, and deploy scalable web and mobile applications using C#, ASP.NET MVC, .NET Core, Razor Pages, SQL Server, RESTful APIs, and Microsoft technologies, with a strong focus on performance, security, and maintainability. I excel at translating business requirements into effective technical solutions, collaborating with clients, consultants, and cross-functional teams throughout the SDLC. My strengths include object-oriented programming, software architecture, API integration, SQL optimization, and delivering secure, maintainable, high-performance enterprise applications that drive operational efficiency.

Available to hire

I am a Software Development Engineer with 8+ years of experience delivering enterprise software across ERP, HRMS, payroll, finance, and e-invoicing. I design, develop, and deploy scalable web and mobile applications using C#, ASP.NET MVC, .NET Core, Razor Pages, SQL Server, RESTful APIs, and Microsoft technologies, with a strong focus on performance, security, and maintainability.

I excel at translating business requirements into effective technical solutions, collaborating with clients, consultants, and cross-functional teams throughout the SDLC. My strengths include object-oriented programming, software architecture, API integration, SQL optimization, and delivering secure, maintainable, high-performance enterprise applications that drive operational efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Development Engineer at EliteTech Innovation Sdn Bhd & EliteTech Cloud Sdn Bhd

May 1, 2023 - February 1, 2025

Designed and developed enterprise web applications including e-Invoice, petrol management, and insurance systems. Integrated RESTful Web APIs and third-party services for automated processing and compliance. Built scalable full-stack applications with a focus on performance, maintainability, and security. Performed SQL Server query optimisation, stored procedure enhancement, and database performance tuning. Designed Power BI dashboards and automated reporting solutions to improve operational visibility and decision-making. Participated in full SDLC activities and collaborated directly with clients to deliver customised software solutions aligned with business requirements.

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.

Software Development Engineer at One ERP Solutions Sdn Bhd

January 1, 2021 - May 1, 2023

Enhanced plantation ERP modules covering finance, procurement, payroll, HR, workshop, and weighbridge management. Developed and maintained enterprise applications using ASP.NET, C#, JavaScript, jQuery, and SQL Server. Built and consumed Web APIs for system integration and data synchronization. Improved application performance through SQL optimisation and automation enhancements. Conducted debugging, testing, deployment, and post-production support activities. Participated in R&D initiatives and system customisation projects based on client operational requirements.

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.

Application Developer (Internship → Full-time) at iWoWSoft Sdn Bhd

November 1, 2017 - December 1, 2020

Supported development and maintenance of HRMS modules including payroll, attendance, leave, and claims management. Developed and enhanced application features using C#, ASP.NET, HTML, CSS, JavaScript, jQuery, and SQL Server. Assisted in Web API integration, report generation, debugging, and system deployment activities. Performed software testing, issue troubleshooting, and production support. Worked closely with senior developers and consultants throughout the SDLC.

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.