About Me

Backend / Full-Stack Engineer with 2+ years of production experience building RESTful APIs and cloud-native services on AWS and Azure. Skilled in C#, Node.js, and TypeScript. Relocated to Toronto to deepen cloud and mobile expertise at George Brown College — currently targeting Backend or Full-Stack Engineering roles in the Greater Toronto Area.

Experience & Education

Education

Cloud Computing Technologies Program

George Brown College • Ontario College Graduate Certificate

September 2024 – August 2025 • Casa Loma Campus, Toronto, ON

Coursework: Microsoft 365, Azure, AWS — architecting and deploying cloud-native solutions.
Applied Claude Code in cloud lab projects to accelerate IaC scripting (ARM templates, Bicep) and troubleshoot deployments.

Education

Mobile Application Development and Strategy Program

George Brown College • Ontario College Graduate Certificate

September 2023 – August 2024 • Casa Loma Campus, Toronto, ON

Built cross-platform mobile apps in React Native, Swift (iOS), and Kotlin (Android).
Used Claude and Claude Code to explore AI-augmented mobile development workflows.

Work

Backend Engineer

Collaborate Technology

April 2021 – August 2023 • Taipei, Taiwan

C#RESTful APIsMSSQLPayment SystemsDatabase Optimization

Integrated RESTful APIs with third-party payment systems, orchestrating data flows between internal services and external payment providers across a platform processing thousands of daily transactions.
Built logging and diagnostic tooling for payment transactions, cutting average incident investigation time by ~50%.
Optimized complex MSSQL queries and indexing strategy on high-traffic payment reporting tables, reducing query execution time by ~60% and eliminating timeout errors during peak periods.

Work

Software Engineer

Harmonation Inc.

November 2020 – April 2021 • Taipei, Taiwan

C#Windows ApplicationsMSSQLBanking Systems

Built and maintained C# Windows desktop applications for banking workflows, reducing transaction processing steps for tellers and cutting average task completion time.
Designed MSSQL data-access layers and stored procedures, improving data retrieval performance by ~40% across core banking modules.

Education

Information Technology Program

Ling Tung University • Bachelor of Information Technology

September 2011 – June 2015 • Taichung, Taiwan

Fundamentals of C++ programming and object-oriented concepts; Android application development; electronic circuits and circuit analysis.

Explore My Background

Use the menu above to navigate through different sections of my professional profile.

Skills

Technical expertise

Experience

Work history

Education

Academic background

Certificates

Certifications

Primary Stack

Languages

TypeScriptJavaScriptC#

Frameworks & Backend

Node.jsExpress.jsNest.jsNext.jsReactRESTful APIs

Database

MSSQLPostgreSQLMongoDB

Cloud & DevOps

AWSDockerAmazon ECSAmazon ECRAmazon RDSAmazon S3CloudFrontAWS Lambda

AI & Developer Tools

Claude (Anthropic)Claude CodeAI-Assisted DevelopmentPrompt Engineering

Also Familiar With

Mobile

React NativeSwiftKotliniOS DevelopmentAndroid DevelopmentExpo

Frontend

Tailwind CSSHTML5CSS3

Cloud & DevOps

AzureMicrosoft 365AWS TextractVPCRoute 53Application Load BalancerAuto Scaling GroupsIAM

Database & Storage

FirebaseAmazon S3

Tools

GitVS CodeXcodeAndroid StudioAgile / Scrum

About Me

Experience & Education

Education

Cloud Computing Technologies Program

George Brown College • Ontario College Graduate Certificate

September 2024 – August 2025 • Casa Loma Campus, Toronto, ON

Coursework: Microsoft 365, Azure, AWS — architecting and deploying cloud-native solutions.
Applied Claude Code in cloud lab projects to accelerate IaC scripting (ARM templates, Bicep) and troubleshoot deployments.

Education

Mobile Application Development and Strategy Program

George Brown College • Ontario College Graduate Certificate

September 2023 – August 2024 • Casa Loma Campus, Toronto, ON

Built cross-platform mobile apps in React Native, Swift (iOS), and Kotlin (Android).
Used Claude and Claude Code to explore AI-augmented mobile development workflows.

Work

Backend Engineer

Collaborate Technology

April 2021 – August 2023 • Taipei, Taiwan

C#RESTful APIsMSSQLPayment SystemsDatabase Optimization

Integrated RESTful APIs with third-party payment systems, orchestrating data flows between internal services and external payment providers across a platform processing thousands of daily transactions.
Built logging and diagnostic tooling for payment transactions, cutting average incident investigation time by ~50%.
Optimized complex MSSQL queries and indexing strategy on high-traffic payment reporting tables, reducing query execution time by ~60% and eliminating timeout errors during peak periods.

Work

Software Engineer

Harmonation Inc.

November 2020 – April 2021 • Taipei, Taiwan

C#Windows ApplicationsMSSQLBanking Systems

Built and maintained C# Windows desktop applications for banking workflows, reducing transaction processing steps for tellers and cutting average task completion time.
Designed MSSQL data-access layers and stored procedures, improving data retrieval performance by ~40% across core banking modules.

Education

Information Technology Program

Ling Tung University • Bachelor of Information Technology

September 2011 – June 2015 • Taichung, Taiwan

Fundamentals of C++ programming and object-oriented concepts; Android application development; electronic circuits and circuit analysis.