Jeremy's Portfolio
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Jeremy's Portfolio
JT

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

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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