Leong Zhen Yong

Software Engineer with over 11 years of experience in designing, developing, and maintaining enterprise applications across payroll, warehouse management, and business operation systems. Proficient in C#, ASP.NET Core, ASP.NET MVC, Entity Framework, REST APIs, and SQL databases. Experienced in delivering scalable solutions, integrating third-party APIs, and collaborating with business users to translate requirements into reliable software solutions.

PERSOL Malaysia

Software Engineer

Feb 2024 – Jun 2026

• Developed and enhanced middle-office payroll applications using ASP.NET MVC and C# based on business requirements.
• Collaborated with business stakeholders to deliver new features and resolve issues through Jira ticket workflows.
• Supported payroll processes and calculations across multiple countries, ensuring compliance with local requirements.
• Investigated and resolved production issues, improving system stability and user experience.
• Participated in system maintenance, bug fixing, and continuous enhancement activities.

Commerce DotAsia Enterprise

Senior Programmer

Apr 2022 – Dec 2023

• Developed and maintained internal Warehouse Management System (WMS)

applications using ASP.NET Core, C#, and Entity Framework.

• Designed and implemented new features to support warehouse and order fulfillment operations.
• Integrated external marketplace APIs to synchronize orders and inventory across multiple e-commerce platforms.
• Optimized database operations and application performance to improve system efficiency.
• Collaborated with users and business teams to analyze requirements and deliver technical solutions.

Sunway Quarry Industries Sdn Bhd

Business System Developer

Dec 2014 – Apr 2022

• Designed, developed, and maintained web and mobile applications to support various business operations.
• Built enterprise applications using ASP.NET (C#), Java (Android), and Swift (iOS).
• Delivered multiple in-house systems, including:

o E-Claim System o Purchase Order System o Customer Delivery Report System o Learning Management System (LMS)

o Customer Feedback System o QAQC System o Dashboard Reporting System o Primary Crusher Activity Tracking System o Web APIs for system integration.

• Worked closely with end users to gather requirements and translate business needs into technical solutions.
• Provided ongoing maintenance, enhancements, and troubleshooting for existing systems.
• Participated in the complete software development lifecycle, from requirement analysis to deployment and support.

CIS IT Solutions Sdn Bhd

Software Engineer

Jul 2014 – Nov 2014

• Maintained and enhanced existing multi-level marketing (MLM) systems based on customer requirements.
• Developed new modules and implemented feature improvements using Ext JS and Yii

Framework.

• Performed bug fixing and troubleshooting to ensure system reliability.
• Collaborated with team members to deliver customized solutions for clients.

BSc (Hons) in Computing – University of Greenwich (2011-07 – 2014-04)

Foundation in IT – SEGi College Kuala Lumpur (2010-04 – 2011-04)

SPM – Sekolah Menengah Kebangsaan Cheras Perdana (2008)