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Avatar of Wang Chunshan.
Avatar of Wang Chunshan.
Wang Chunshan
Data Engineer @TSMC 台積電
・
2022 ~ Present
資料分析師、演算法工程師、軟體工程師、軟體專案管理
Within one month
Chun Shan, Wang [email protected] SUMMARY I'm a skilled software engineer, experienced in NLP and Data Engineering for over 4 years. I've delivered dependable solutions across commercial, educational, and psychological counseling domains. Expertise lies in deploying stable systems, ensuring valuable and trustworthy development. My background seamlessly integrates data and machine learning for comprehensive solutions. KEYWORDS: Python, NLP/NLU, Backend, Data, CI/CD, kubernetes, JAVA Spring, EXPERIENCE Data Engineer,now, TSMC I Build and improved the Python/JAVA services, including caching service with mongoDB and Redis, monitoring
Backend Development
NLP
Python
Employed
・
Ready to interview
Full-time / Interested in working remotely
4-6 years
國立中央大學 National Central University
・
網路學習科技研究所
Avatar of 陳韋燁.
Avatar of 陳韋燁.
陳韋燁
Past
工程師 @博彥科技有限公司
・
2018 ~ 2023
後端工程師
Within one month
陳韋燁 Taipei, [email protected] 具備豐富後端及韌體相關經驗 要求程式碼簡潔，以clean architecture為目標 熟稔底層原理，深度理解OOP 精通TDD，力求程式碼品質 樂於追求挑戰，精益求精 工作經歷 工程師 • 博彥科技有限公司 八月十二月 2023 | Taipei, Taiwan 智慧門鎖 家庭IOT，強化自家
C
C++
Golang
Unemployed
・
Ready to interview
Full-time / Interested in working remotely
4-6 years
龍華科技大學
・
資訊網路工程
Avatar of 王柏貴.
Avatar of 王柏貴.
王柏貴
資深工程師 @旭聯科技股份有限公司
・
2018 ~ Present
前端工程師
Within one month
smooth collaboration between frontend and backend teams. Phase~Present): Overall Summary: I led the transition from outdated technology (Sencha Touch) to contemporary solutions, utilizing Angular and Monorepo architecture with Capacitor for the development of hybrid apps and web services. Simultaneously, I played a key role in the ongoing development and maintenance of frontend functionalities for existing products, which involved customer upgrades and customization. Specific Responsibilities: Led the development of hybrid apps, implementing Angular and Capacitor architecture to deliver an optimal user experience. Managed backend development to ensure seamless support for app functionality. Executed app upgrades
Angular
Tailwind CSS
MS SQL
Reputation Credits1
Employed
・
Ready to interview
Full-time / Interested in working remotely
6-10 years
崑山科技大學 Kun Shan University
・
資訊傳播科系
Avatar of Don Chen.
Avatar of Don Chen.
Don Chen
Past
Engineer @量子方舟
・
2020 ~ Present
Full Stack Developer
Within one month
/ AWS / Linode - iOS - Objective-C / Swift 次要技能 - Frontend - VueJS + Tailwind... - Flutter - dart 部分專案 - Uber-like 應用（派遣系統 / 後台管理 / 乘客、司機 App ） - iPad 點餐系統（Backend / Dashboard / iOS App） - CMS 系統（Backend / Dashboard） - 可以離線、速率調整的音樂播放器（iOS App） - 電商應用（Backend + iOS App) - Legacy Code 維護 Engineer • Beans.ai 九月九月 2023 | Taipei
IOS Development
Backend Development
Amazon Web Services (AWS)
Unemployed
・
Open to opportunities
Full-time / Remote Only
6-10 years
上海理工大學
・
金融系
Avatar of the user.
Avatar of the user.
Available for paid companies
Senior Analyst, Software Engineer @Synpulse Taiwan Ltd. | 星普思管理諮詢有限公司
・
2022 ~ Present
Software Developer
Within one month
JavaScript
ASP.NET MVC
HTML5
Employed
・
Open to opportunities
Full-time / Interested in working remotely
4-6 years
Queensland University of Technology(昆士蘭科技大學)
・
Computer Science
Avatar of the user.
Avatar of the user.
Available for paid companies
Past
Senior Backend Engineer @iKala 愛卡拉互動媒體股份有限公司
・
2023 ~ 2024
Data engineer / Backend engineer / Software engineer
Within one month
Python
GCP
Algorithms
Unemployed
・
Open to opportunities
Full-time / Not interested in working remotely
6-10 years
國立成功大學
・
資訊工程
Avatar of 李晧暐.
Avatar of 李晧暐.
李晧暐
Software Engineer @奔騰網路科技股份有限公司
・
2023 ~ Present
Backend Engineer
Within one month
管理員 Design Restful API and write API Docs Continuous improvement unit tests with higher coverage Tech Stack: - Cloud Architecture: AWS └─ Serverless Lambda, StepFunctions Route53, CloudFront - Backend: Python Django - Devops: Gitlab CI & AWS SSM Run Command - Frontend: Vue3.js + SCSS - Doc: Swagger API 十月Present Backend Engineer 麗臺科技(LEADTEK Research Inc.) AIDMS AIDMS 開發 Introduce Drone CI/CD and integrate with gitea. Reducing 100% decreases human error of manual release time. Development and maintenance saga pattern for inference API Refactor legacy code to frontend-backend separation architecture
Python
Django
Flask(Python)
Employed
・
Open to opportunities
Full-time / Interested in working remotely
4-6 years
元智大學
・
資訊工程學系
Avatar of 李懿庭.
Avatar of 李懿庭.
李懿庭
Full-Stack Engineer @SoundOn 聲浪媒體科技股份有限公司
・
2022 ~ Present
全端/後端工程師
Within one month
new employees to explore backend development. Tech Stack: Kubernetes, Nodejs, Tsoa, Koa, GCP, React, BigQuery Appaegis Inc, Full-stack Engineer, AugJan 2022 Application Team - Developed an application for Access Security Solution. - Designed and Refactored web application to make the web page more interactive. - Designed a solution to ensure the access in an application be limited and managed. - Integrated the alert in the system into third party services. Tech Stack: Vue, Amplify, Nodejs, GraphQL, Express, AWS Linker Networks Inc, Backend Engineer, NovJuly 2021 Auto Labeling Platform Team - Developed backend microservices for auto labe...
Node.js
DevOps / CI / CD
Infrastructure
Employed
・
Not open to opportunities
Full-time / Interested in working remotely
4-6 years
台北科技大學
・
電子工程碩士班
Avatar of the user.
Avatar of the user.
Available for paid companies
資深工程師
Within one month
.net mvc
Angular
Git
Full-time / Not interested in working remotely
6-10 years
臺灣科技大學
・
資訊管理
Avatar of Pete Lin.
Avatar of Pete Lin.
Pete Lin
網頁工程師
Within one month
service Actively participated in the development of decentralized applications Others Developed API server for querying blockchain bridging information Integrated with open-sourced external services like DefiLlama, CoinGecko Developed internal libraries to share reusable codebase TomoTouch - Web Engineer， 2020//11 Designed and developed decentralized applications Tech stack: Frontend - ReactJS Backend - NodeJS, Gin (Golang) GCP - Cloud Run / Cloud SQL / GCS / App Engine Smart contract - Truffle & Solidity BETRAVELO - Web Engineer， 2019//1 Developed Betravelo's B2B SASS platform in the frontend Assisted in backend development with serverless solution Tech stack: React / Redux, Tailwind, Webpack, Lambda
solidity
typescript
JavaSript
Full-time / Interested in working remotely
4-6 years
University of Washington
・
Communications

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Definition of Reputation Credits

Technical Skills
Specialized knowledge and expertise within the profession (e.g. familiar with SEO and use of related tools).
Problem-Solving
Ability to identify, analyze, and prepare solutions to problems.
Adaptability
Ability to navigate unexpected situations; and keep up with shifting priorities, projects, clients, and technology.
Communication
Ability to convey information effectively and is willing to give and receive feedback.
Time Management
Ability to prioritize tasks based on importance; and have them completed within the assigned timeline.
Teamwork
Ability to work cooperatively, communicate effectively, and anticipate each other's demands, resulting in coordinated collective action.
Leadership
Ability to coach, guide, and inspire a team to achieve a shared goal or outcome effectively.
Within one month
Avatar of Yunchen Li.
Yunchen Li
Cloud Lead @ BeeInventor 點子建有限公司
Logo of BeeInventor 點子建有限公司.
BeeInventor 點子建有限公司
・
2023 ~ Present
Professional Background
Current status
Job Search Progress
Not open to opportunities
Professions
Fields of Employment
Work experience
4-6 years
Management
Skills
Node.js / Express.js
TypeScript
C++
PostgreSQL
MySQL
MongoDB
ElasticSearch
Aerospike
Redis
Memcached
Kafka
AWS
GCP
Golang
Kubernetes/Docker
Languages
Job search preferences
Positions
Job types
Locations
Remote
Freelance
Educations
School
國立臺灣海洋大學 National Taiwan Ocean University
Major
Transportation Science
Print

Yunchen Li

Backend developer with product designing mindset

Backend Engineer
[email protected]

+886-970023385

Summary

I’m a backend developer with more then 5 years of experience, mostly responsible for backend development using Node.js and DevOps operation such as designing CI / CD, deploying using docker and Kubernetes to AWS or GCP.

PROFESSIONAL SKILL

Language

- Javascript / Typescript

- Golang

- Python

- C++


Front-end

- Vue/Angular


Back-end

- Node.js

- Express.js / Nest.js

- MySQL / PostgreSQL

- MongoDB/ElasticSearch/Aerospike

- Redis/Memcached

- RESTful API

- Swagger

- Message Queue (RabbitMQ / Kafka)

- Unit Test / Integration Test

DevOps

- CI / CD (TravisCI/circleCI)

- Docker / Kubernetes

- AWS / GCP

- SCRUM

Work Experience



BeeInventor Cloud Lead                                                                                      April 2021 - Now

1. Developed and maintained a microservices-based architecture with NodeJS, NestJs, k8s, helm, Postgres, Elasticsearch for IOT microservices.
2. Maintain automate integration and deployment processes from using Github Action.
3. Collaborate with cross-functional teams including frontend engineers, designers, firmware engineer, to define technical requirements, prioritize tasks, and deliver high-quality software solutions.

Environment: Typescript, NestJs, Postgresql, Postgis, Redis, Elasticsearch, AWS, Nsdq, k8s

Molteo Software Engineer                                                                         April 2021 - Mar 2023

1. Developed Molteo/Crafthunt Backend using NodeJS, NestJs and FeatherJs for data retrieval, validation, and manipulation from scratch.
2. Created automated testing framework using in Jest for unit tests and E2E UI tests from scratch.
3. Setup automate integration and deployment processes from scratch using Circle Pipelines and Docker which reduced deployment time from hours to minutes.
4. Collaborated closely with CTO to choose the most suitable tech stack base on capacity planning, cost and business requirements.
5. Optimizing cost & load performance and review sql explain to adjust query, improving query performance with maximum 5000% faster than before.
6. Mentor team member pair programming, design review and code review for maintaining to enhance project and code quality.
7. Collaborated closely with other developers on cross-functional and cross-timezone teams including frontend engineers, mobile engineers, designers etc., through weekly sprint planning meetings and standup.

Environment: Typescript, FeatherJs, NestJs, Postgresql, Postgis, Redis, Docker, AWS, Cloudwatch, Kafka, CircleCI

High5 Backend Engineer                                                                            May 2020 - April 2021

1. Developed and maintained a microservices-based architecture with NodeJS, NestJs, Kubernetes, Docker, Elasticsearch for ChatBot Microservices.
2. Redesign backend architecture shifting services communication from sync to async by using Kakfa.
    Increasing around 30% of efficiency, and decoupling business logic.
3. Integrating with Facebook & Line & Google API for our ChatBot Services.
4. Created automated testing framework using in Mocha + Chai + Sinon for unit tests and E2E UI tests from scratch.
5. Supporting Internal Tools development, such as ML Models SDK and makefile for integrating with cli commands. 

 Environment: Typescript, ExpressJs, NestJs, Python, Elasticsearch, Aerospike, Redis, Memcached, Docker,  AWS, GCP

ISAP Backend Engineer                                                                              April 2020 - May 2020

1. Design and Maintaining Visual Recognition Backend using Typescript-Express.
2. Optimizing cost & load performance by adjusting algorithm by adjusting algorithm increasing around 20% of cost.
3. Supporting Internal Tools development.

Environment: Typescript, ExpressJs, Rxjs, MongodB

EDOM Firmware Engineer                                                                           Mar 2018 - July 2019 

1. Responsible for BLDC products firmware support, using C++ to maintain and design features.
2. Analyze and feedback on acoustic report to customer's. 
3. Supporting current sensor hardware and firmware design.

CHINPOON Product Design Engineer                                                      Mar 2017 - Mar 2018

1. Generating more than 30 products including Normal & HDI prototype in both sample and M/P. 

2. Improve process capability and production volume while maintaining and improving quality standards.

Work Experience



Molteo Software Engineer                                                                         April 2021 - Mar 2023

1. Developed Molteo/Crafthunt Backend using NodeJS, NestJs and FeatherJs for data retrieval, validation, and manipulation from scratch.
2. Created automated testing framework using in Jest for unit tests and E2E UI tests from scratch.
3. Setup automate integration and deployment processes from scratch using Circle Pipelines and Docker which reduced deployment time from hours to minutes.
4. Collaborated closely with CTO to choose the most suitable tech stack base on capacity planning, cost and business requirements.
5. Optimizing cost & load performance and review sql explain to adjust query, improving query performance with maximum 5000% faster than before.
6. Mentor team member pair programming, design review and code review for maintaining to enhance project and code quality.
7. Collaborated closely with other developers on cross-functional and cross-timezone teams including frontend engineers, mobile engineers, designers etc., through weekly sprint planning meetings and standup.

Environment: Typescript, FeatherJs, NestJs, Postgresql, Postgis, Redis, Docker, AWS, Cloudwatch, Kafka, CircleCI

High5 Backend Engineer                                                                            May 2020 - April 2021

1. Developed and maintained a microservices-based architecture with NodeJS, NestJs, Kubernetes, Docker, Elasticsearch for ChatBot Microservices.
2. Redesign backend architecture shifting services communication from sync to async by using Kakfa.
    Increasing around 30% of efficiency, and decoupling business logic.
3. Integrating with Facebook & Line & Google API for our ChatBot Services.
4. Created automated testing framework using in Mocha + Chai + Sinon for unit tests and E2E UI tests from scratch.
5. Supporting Internal Tools development, such as ML Models SDK and makefile for integrating with cli commands. 

 Environment: Typescript, ExpressJs, NestJs, Python, Elasticsearch, Aerospike, Redis, Memcached, Docker,  AWS, GCP

ISAP Backend Engineer                                                                              April 2020 - May 2020

1. Design and Maintaining Visual Recognition Backend using Typescript-Express.
2. Optimizing cost & load performance by adjusting algorithm by adjusting algorithm increasing around 20% of cost.
3. Supporting Internal Tools development.

Environment: Typescript, ExpressJs, Rxjs, MongodB

EDOM Firmware Engineer                                                                           Mar 2018 - July 2019 

1. Responsible for BLDC products firmware support, using C++ to maintain and design features.
2. Analyze and feedback on acoustic report to customer's. 
3. Supporting current sensor hardware and firmware design.

CHINPOON Product Design Engineer                                                      Mar 2017 - Mar 2018

1. Generating more than 30 products including Normal & HDI prototype in both sample and M/P. 

2. Improve process capability and production volume while maintaining and improving quality standards.

Portfolio

AHoy! App


- Introduction: AHoy! App is designed to support those who needs communicating and keep social connection where they are offshore. The App will support route planning, offline map view, real time chat, trip sharing, and post sharing in the first MVP. 


 - Using Typescript / Golang for backend microservices. 

 - Using Flutter for IOS / Android / PWA. 

 - Using RabbitMQ / Kafka for microservices communication. 

 - Using PostgreSQL for RDBMS. (Each service has it's own SQL DB) 

 - Using Redis for Cache and Rate-limiting. (Each service has it's own Cache) 

 - Using CircleCI to build CI/CD pipelines.

 - Using Makefile for controlling multiple Docker containers. 

 - Data Collection from Data.world 

 - Using GPS for location tracking. 

 - Using Dijkstra and D* for route planning.

Paragraph image 00 00@2x

Favorite Movies 


- Introduction: If you are a movies lover, here is the right places to be, you will be able to real-time sharing your favorites movies with the other users. In this repo you can easily running an entire application with make script.


 - Using Typescript for backend microservices. 

 - Using Vue Typescript for frontend. 

 - Using Websocket for real time data. 

 - Using PostgreSQL for main database.

 - Using CircleCI to build CI/CD pipelines.

 - Using Makefile for controlling multiple Docker containers. 


Paragraph image 00 00@2x

TASK SYSTEM

Github


- Introduction: A Sample Task Manage Card Board System with user profile System, sensitive information is protected by JWT.


- Using Nest.js with Typescript

- Design Backend with low coupling

- Using DTO and Repository Design Pattern to handle data

- Using TypeORM and PostgresQL

Mirco-Services-Architecture-Booking-System

Github

- Introduction: A advance version of Task manage system, it extends task operation to booking and authoring operation which has been handle over by different service


- Using RabbitMQ Message Queue Model

- Using Nest.js and Typescript for Backend

- Using Docker and Docker-compose for deployment

- Makefile supported

- Using TypeORM and PostgresQL

E-Commerce Website


- Introduction: An E-commerce Website which allow users to shop online. And supporting administrator to manage website as well. 


- Using Vue/Vuex/Vuetify/V-chart for front-end development 

- Design Backend with TDD 

- Using TravisCI to build CI/CD pipelines, meanwhile using Docker for Artifacts Management 

- Using Swagger to auto generate API document and supporting test 

- Supporting third party cash flow 

- Using GCP Gmail API and nodemailer to implement mail operation 

- Using Redis for Cache design and store session data 

- Using Pm2 for process management 

- Using Docker-Swarm with AWS EC2 to build cluster

Paragraph image 00 00@2x

Crypto-Currency

Github

- Introduction: A decentralized crypto- currency network, which allows users to mine the transaction and showing the status of every blocks. 

- Design Front-end with React
- Design BlockChain system from scratch
- Using Redis Pub/Sub to implement p2p network
- Using POW to prevent 51% attack 
- Chain system with OOP 
- Using RESTful Api to allow communication in the network 
- Coding style follow eslint 
Paragraph image 02 00@2x

Stock Market Info

Github


- Introduction: The project is at the second sprint, expecting to implement transaction feature and transfer website to micro-service in sprint 3 which is naming into stockapi-micro. 


- Design Front-end with React 

- Restful Api structure 

- Using JWT to protect routes 

- Using Redis to implement Black List.

Paragraph image 02 00@2x

Open Source


- A SDK package which allows you to send POST request via Newebpay API to implement third party cash flow and it's Typescript supported.

Beautiful Logger

- Are you tired of seeing a the logs where only have white output on your terminal. Then Beautiful Logger is your another option where you can log with different kind of mode types supporting different kinds of colors output. Beautiful Logger also supports cloud storage with NoSQL where you can choose MongoDB or Redis so far, at the next version it might adding DynamoDB and ELK supporting.

EDUCATION

ALPHA Camp Full stack Bootcamp                                                                     Feb 2019 - Feb 2020

National Taiwan Ocean University Bachelor of Transportation Science       Sep 2012 - Jun 2015

Resume
Profile
Print

Yunchen Li

Backend developer with product designing mindset

Backend Engineer
[email protected]

+886-970023385

Summary

I’m a backend developer with more then 5 years of experience, mostly responsible for backend development using Node.js and DevOps operation such as designing CI / CD, deploying using docker and Kubernetes to AWS or GCP.

PROFESSIONAL SKILL

Language

- Javascript / Typescript

- Golang

- Python

- C++


Front-end

- Vue/Angular


Back-end

- Node.js

- Express.js / Nest.js

- MySQL / PostgreSQL

- MongoDB/ElasticSearch/Aerospike

- Redis/Memcached

- RESTful API

- Swagger

- Message Queue (RabbitMQ / Kafka)

- Unit Test / Integration Test

DevOps

- CI / CD (TravisCI/circleCI)

- Docker / Kubernetes

- AWS / GCP

- SCRUM

Work Experience



BeeInventor Cloud Lead                                                                                      April 2021 - Now

1. Developed and maintained a microservices-based architecture with NodeJS, NestJs, k8s, helm, Postgres, Elasticsearch for IOT microservices.
2. Maintain automate integration and deployment processes from using Github Action.
3. Collaborate with cross-functional teams including frontend engineers, designers, firmware engineer, to define technical requirements, prioritize tasks, and deliver high-quality software solutions.

Environment: Typescript, NestJs, Postgresql, Postgis, Redis, Elasticsearch, AWS, Nsdq, k8s

Molteo Software Engineer                                                                         April 2021 - Mar 2023

1. Developed Molteo/Crafthunt Backend using NodeJS, NestJs and FeatherJs for data retrieval, validation, and manipulation from scratch.
2. Created automated testing framework using in Jest for unit tests and E2E UI tests from scratch.
3. Setup automate integration and deployment processes from scratch using Circle Pipelines and Docker which reduced deployment time from hours to minutes.
4. Collaborated closely with CTO to choose the most suitable tech stack base on capacity planning, cost and business requirements.
5. Optimizing cost & load performance and review sql explain to adjust query, improving query performance with maximum 5000% faster than before.
6. Mentor team member pair programming, design review and code review for maintaining to enhance project and code quality.
7. Collaborated closely with other developers on cross-functional and cross-timezone teams including frontend engineers, mobile engineers, designers etc., through weekly sprint planning meetings and standup.

Environment: Typescript, FeatherJs, NestJs, Postgresql, Postgis, Redis, Docker, AWS, Cloudwatch, Kafka, CircleCI

High5 Backend Engineer                                                                            May 2020 - April 2021

1. Developed and maintained a microservices-based architecture with NodeJS, NestJs, Kubernetes, Docker, Elasticsearch for ChatBot Microservices.
2. Redesign backend architecture shifting services communication from sync to async by using Kakfa.
    Increasing around 30% of efficiency, and decoupling business logic.
3. Integrating with Facebook & Line & Google API for our ChatBot Services.
4. Created automated testing framework using in Mocha + Chai + Sinon for unit tests and E2E UI tests from scratch.
5. Supporting Internal Tools development, such as ML Models SDK and makefile for integrating with cli commands. 

 Environment: Typescript, ExpressJs, NestJs, Python, Elasticsearch, Aerospike, Redis, Memcached, Docker,  AWS, GCP

ISAP Backend Engineer                                                                              April 2020 - May 2020

1. Design and Maintaining Visual Recognition Backend using Typescript-Express.
2. Optimizing cost & load performance by adjusting algorithm by adjusting algorithm increasing around 20% of cost.
3. Supporting Internal Tools development.

Environment: Typescript, ExpressJs, Rxjs, MongodB

EDOM Firmware Engineer                                                                           Mar 2018 - July 2019 

1. Responsible for BLDC products firmware support, using C++ to maintain and design features.
2. Analyze and feedback on acoustic report to customer's. 
3. Supporting current sensor hardware and firmware design.

CHINPOON Product Design Engineer                                                      Mar 2017 - Mar 2018

1. Generating more than 30 products including Normal & HDI prototype in both sample and M/P. 

2. Improve process capability and production volume while maintaining and improving quality standards.

Work Experience



Molteo Software Engineer                                                                         April 2021 - Mar 2023

1. Developed Molteo/Crafthunt Backend using NodeJS, NestJs and FeatherJs for data retrieval, validation, and manipulation from scratch.
2. Created automated testing framework using in Jest for unit tests and E2E UI tests from scratch.
3. Setup automate integration and deployment processes from scratch using Circle Pipelines and Docker which reduced deployment time from hours to minutes.
4. Collaborated closely with CTO to choose the most suitable tech stack base on capacity planning, cost and business requirements.
5. Optimizing cost & load performance and review sql explain to adjust query, improving query performance with maximum 5000% faster than before.
6. Mentor team member pair programming, design review and code review for maintaining to enhance project and code quality.
7. Collaborated closely with other developers on cross-functional and cross-timezone teams including frontend engineers, mobile engineers, designers etc., through weekly sprint planning meetings and standup.

Environment: Typescript, FeatherJs, NestJs, Postgresql, Postgis, Redis, Docker, AWS, Cloudwatch, Kafka, CircleCI

High5 Backend Engineer                                                                            May 2020 - April 2021

1. Developed and maintained a microservices-based architecture with NodeJS, NestJs, Kubernetes, Docker, Elasticsearch for ChatBot Microservices.
2. Redesign backend architecture shifting services communication from sync to async by using Kakfa.
    Increasing around 30% of efficiency, and decoupling business logic.
3. Integrating with Facebook & Line & Google API for our ChatBot Services.
4. Created automated testing framework using in Mocha + Chai + Sinon for unit tests and E2E UI tests from scratch.
5. Supporting Internal Tools development, such as ML Models SDK and makefile for integrating with cli commands. 

 Environment: Typescript, ExpressJs, NestJs, Python, Elasticsearch, Aerospike, Redis, Memcached, Docker,  AWS, GCP

ISAP Backend Engineer                                                                              April 2020 - May 2020

1. Design and Maintaining Visual Recognition Backend using Typescript-Express.
2. Optimizing cost & load performance by adjusting algorithm by adjusting algorithm increasing around 20% of cost.
3. Supporting Internal Tools development.

Environment: Typescript, ExpressJs, Rxjs, MongodB

EDOM Firmware Engineer                                                                           Mar 2018 - July 2019 

1. Responsible for BLDC products firmware support, using C++ to maintain and design features.
2. Analyze and feedback on acoustic report to customer's. 
3. Supporting current sensor hardware and firmware design.

CHINPOON Product Design Engineer                                                      Mar 2017 - Mar 2018

1. Generating more than 30 products including Normal & HDI prototype in both sample and M/P. 

2. Improve process capability and production volume while maintaining and improving quality standards.

Portfolio

AHoy! App


- Introduction: AHoy! App is designed to support those who needs communicating and keep social connection where they are offshore. The App will support route planning, offline map view, real time chat, trip sharing, and post sharing in the first MVP. 


 - Using Typescript / Golang for backend microservices. 

 - Using Flutter for IOS / Android / PWA. 

 - Using RabbitMQ / Kafka for microservices communication. 

 - Using PostgreSQL for RDBMS. (Each service has it's own SQL DB) 

 - Using Redis for Cache and Rate-limiting. (Each service has it's own Cache) 

 - Using CircleCI to build CI/CD pipelines.

 - Using Makefile for controlling multiple Docker containers. 

 - Data Collection from Data.world 

 - Using GPS for location tracking. 

 - Using Dijkstra and D* for route planning.

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Favorite Movies 


- Introduction: If you are a movies lover, here is the right places to be, you will be able to real-time sharing your favorites movies with the other users. In this repo you can easily running an entire application with make script.


 - Using Typescript for backend microservices. 

 - Using Vue Typescript for frontend. 

 - Using Websocket for real time data. 

 - Using PostgreSQL for main database.

 - Using CircleCI to build CI/CD pipelines.

 - Using Makefile for controlling multiple Docker containers. 


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TASK SYSTEM

Github


- Introduction: A Sample Task Manage Card Board System with user profile System, sensitive information is protected by JWT.


- Using Nest.js with Typescript

- Design Backend with low coupling

- Using DTO and Repository Design Pattern to handle data

- Using TypeORM and PostgresQL

Mirco-Services-Architecture-Booking-System

Github

- Introduction: A advance version of Task manage system, it extends task operation to booking and authoring operation which has been handle over by different service


- Using RabbitMQ Message Queue Model

- Using Nest.js and Typescript for Backend

- Using Docker and Docker-compose for deployment

- Makefile supported

- Using TypeORM and PostgresQL

E-Commerce Website


- Introduction: An E-commerce Website which allow users to shop online. And supporting administrator to manage website as well. 


- Using Vue/Vuex/Vuetify/V-chart for front-end development 

- Design Backend with TDD 

- Using TravisCI to build CI/CD pipelines, meanwhile using Docker for Artifacts Management 

- Using Swagger to auto generate API document and supporting test 

- Supporting third party cash flow 

- Using GCP Gmail API and nodemailer to implement mail operation 

- Using Redis for Cache design and store session data 

- Using Pm2 for process management 

- Using Docker-Swarm with AWS EC2 to build cluster

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Crypto-Currency

Github

- Introduction: A decentralized crypto- currency network, which allows users to mine the transaction and showing the status of every blocks. 

- Design Front-end with React
- Design BlockChain system from scratch
- Using Redis Pub/Sub to implement p2p network
- Using POW to prevent 51% attack 
- Chain system with OOP 
- Using RESTful Api to allow communication in the network 
- Coding style follow eslint 
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Stock Market Info

Github


- Introduction: The project is at the second sprint, expecting to implement transaction feature and transfer website to micro-service in sprint 3 which is naming into stockapi-micro. 


- Design Front-end with React 

- Restful Api structure 

- Using JWT to protect routes 

- Using Redis to implement Black List.

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Open Source


- A SDK package which allows you to send POST request via Newebpay API to implement third party cash flow and it's Typescript supported.

Beautiful Logger

- Are you tired of seeing a the logs where only have white output on your terminal. Then Beautiful Logger is your another option where you can log with different kind of mode types supporting different kinds of colors output. Beautiful Logger also supports cloud storage with NoSQL where you can choose MongoDB or Redis so far, at the next version it might adding DynamoDB and ELK supporting.

EDUCATION

ALPHA Camp Full stack Bootcamp                                                                     Feb 2019 - Feb 2020

National Taiwan Ocean University Bachelor of Transportation Science       Sep 2012 - Jun 2015