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A web developer from Taipei, Taiwan. 
Have experience at both frontend and backend, 
Interesting in developing a good user experience product. 
Previous work at NTU, recently working at Tagtoo.

National Cheng Kung university

Engineer

林瑋晨

趨勢科技 TrendMicro

軟體工程師

Internal Expense Report System

The Internal Expense Report System facilitates employee expense reimbursement by enabling users to upload receipts, record transaction details, and seamlessly transfer this data to the accounting system.


Frontend (React)

Improved Frontend Architecture and Maintainability
Enhanced the frontend logic and implemented state managers in TypeScript, facilitating a more granular and maintainable codebase.

Streamlined Development and Deployment Processes
Optimized the CI/CD pipeline for both frontend and backend, ensuring efficient deployments and automated testing.
Backend (Python/Flask)

Enhanced Code Quality and Data Integrity
Added type hints to all functions and enforced model control using Pydantic.

Ensuring Reliable Functionality Through Automation
Implemented endpoint testing within the CI/CD workflow.


Internal Approval System

The Internal Approval System manages all employee activities requiring approval, encompassing various processes that are designed and subsequently recorded in the accounting system.


Frontend

Modernizing the Approval Process for Enhanced Efficiency
Migrated the Internal Approval System from Angular to Next.js, resulting in improved performance and user experience. This system manages employee activities requiring approval across various workflows.


Ensuring Reliable Deployments with Automation
Established robust CI/CD processes for the Next.js frontend, ensuring consistent and automated deployments.


Streamlined Workflows for Faster Approvals
This migration facilitated faster approvals and a more streamlined workflow for employees.

Backend

Developed using C#.

台灣

Tagtoo Dashboard

Developed and maintained the Tagtoo Dashboard, a React and Next.js application that consolidates data from multiple advertising channels into a single, intuitive platform. This streamlined data access for the company, resulting in a 80% reduction in time spent on data analysis and reporting.


Collaborative Development and Feature Enhancements
Collaborated with backend engineers to implement new features and enhancements for the dashboard, improving its functionality and user experience.

Promoting Code Quality and Developer Efficiency
Championed the conversion of the codebase from JavaScript to TypeScript, enhancing code maintainability and developer productivity.

Enabling Scalable and Automated Deployments
Containerized the application and deployed it to Google Cloud Platform (GCP) using Google Cloud Build, enabling automated and scalable deployments.

Tagtoo Adchief

Developed and co-maintained Tagtoo AdChief, an automated advertising platform built with React and Next.js that simplifies the creation of custom product recommendation ads. This streamlined workflow facilitated a 40% increase in ad creation efficiency for the marketing team.


Leveraged Material-UI and styled-components to create a user-friendly and visually appealing interface for the platform.

台灣台北市

Tagtoo 塔圖科技股份有限公司

Frontend Engineer

Tagtoo Advertise Support


Developed custom, high-performance JavaScript crawlers tailored to specific e-commerce client needs. These crawlers automated data collection, resulting in 80% reduction in manual effort for advertising campaign setup.


Automating Data Collection and Ad Targeting
Leveraged crawlers to extract product information and send targeted events to advertising channels (Google, Facebook, TikTok), enabling more efficient ad targeting and campaign optimization.

Streamlined Data Flow and Product Catalog Creation
Utilized Django to build robust data pipelines that interface with PostgreSQL and MySQL databases. This streamlined data flow for e-commerce information and enabled the creation of comprehensive product catalogs for advertising purposes.

The resulting product catalogs, built on Django, facilitated the development of highly targeted advertising campaigns that achieved a 50% increase in conversion rates.


Data-Driven Optimization for Improved Performance
Collaborated with business and advertising teams to analyze e-commerce data and optimize advertising strategies. This data-driven approach led to a 20% improvement in return on investment (ROI) for advertising campaigns.


Ongoing Support for Campaign Success
Provided ongoing support and consultation on optimizing ad targeting, budget allocation, and campaign performance metrics.

Software Engineer

Tissue image analysis (multiplex staining) 

Using Vectra® Polaris™ Quantitative Pathology Imaging System
Phenochart Whole Slide Viewer
inForm® Image Analysis Software * Using Vectra® Polaris™ Quantitative Pathology Imaging System
Biomarker quantification
Basic Data analysis with Python  (csv, pandas ...)
Molecular Cloning

PCR
Restriction enzyme based cloning 
Molecular cloning (bacteria) 
Protein

Western blotting 
Bacteria culture 
SDS-PAGE

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