Results-driven Software Engineer with a Bachelor's Degree in Information Systems Engineering from UTAR and over one year of experience at Unisem (M) Berhad. Skilled in enhancing and maintaining mission-critical manufacturing systems, debugging complex logic, and implementing automation to improve operational efficiency. Experienced in legacy system optimization, system planning, and process control within high-volume production environments. Committed to continuous learning and delivering scalable, reliable software solutions that meet real-world business needs.

Loh Yong Xuan

Results-driven Software Engineer with a Bachelor's Degree in Information Systems Engineering from UTAR and over one year of experience at Unisem (M) Berhad. Skilled in enhancing and maintaining mission-critical manufacturing systems, debugging complex logic, and implementing automation to improve operational efficiency. Experienced in legacy system optimization, system planning, and process control within high-volume production environments. Committed to continuous learning and delivering scalable, reliable software solutions that meet real-world business needs.

Available to hire

Results-driven Software Engineer with a Bachelor’s Degree in Information Systems Engineering from UTAR and over one year of experience at Unisem (M) Berhad. Skilled in enhancing and maintaining mission-critical manufacturing systems, debugging complex logic, and implementing automation to improve operational efficiency. Experienced in legacy system optimization, system planning, and process control within high-volume production environments. Committed to continuous learning and delivering scalable, reliable software solutions that meet real-world business needs.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Chinese
Fluent
English
Advanced
Malay
Advanced

Work Experience

Software Engineer at Unisem (M) Berhad
March 1, 2024 - Present
Enhance, maintain, and support MESPLUS, the core Manufacturing Execution System responsible for wafer lot tracking in semiconductor production. Provide real-time support for production floor issues, ensuring high system availability and operational efficiency. Maintained and improved MES applications using VB6 for user interfaces and C++ for backend logic, integrating Oracle SQL for core data operations. Built transaction blocking logic and validation flows to ensure process integrity and eliminate incomplete or invalid transactions. Partnered with QA and production teams to transform business needs into technical features and system updates. Tuned SQL queries and enhanced SSRS report performance to ensure faster access to production data. Created small automation tools and utility programs using C# and the .NET Framework.
System Analyst Intern at Onnet Consulting Sdn Bhd
January 31, 2024 - September 23, 2025
Engaged in immersive Odoo ERP system learning, encompassing module study, configuration, and version merging. Analyzed ERP tickets, classified feature requests and bugs, and assisted in version control and module configuration. Delivered technical research findings and conducted demo presentations to improve team understanding of proposed solutions. Participated in agile development practices including sprint planning, daily stand-ups, and collaborative team discussions.
Software Engineer at Unisem (M) Berhad
March 1, 2024 - Present
Maintain, enhance and support MESPLUS, the core Manufacturing Execution System for wafer lot tracking in semiconductor production; provide real-time production floor support to ensure high system availability and operational efficiency. Key contributions include improving data accuracy, performance tuning, automation tooling, and collaboration with QA and production teams to translate business needs into technical features.
System Analyst Internship at Onnet Consulting Sdn Bhd
January 1, 2024 - September 23, 2025
Engaged in immersive Odoo ERP system learning, analyzed ERP tickets, assisted in version control and module configuration, and delivered technical research findings with demos. Participated in agile practices and team discussions.

Education

Bachelor of Information Systems (Honours) Information Systems Engineering at University Tunku Abdul Rahman
January 11, 2030 - January 1, 2024
Bachelor of Information Systems (Honours) Information Systems Engineering at University Tunku Abdul Rahman
January 11, 2030 - January 1, 2024

Qualifications

Alibaba Cloud Certification
January 1, 2023 - September 23, 2025
Theory of Inventive Problem Solving (TRIZ) Level 1
January 1, 2023 - September 23, 2025
Alibaba Cloud Certification
January 1, 2023 - September 23, 2025
Theory of Inventive Problem Solving (TRIZ) Level 1
January 1, 2023 - September 23, 2025

Industry Experience

Manufacturing, Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

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