MingHan Li

Backend Engineer

Backend engineer
Taipei，TW
[email protected]

Skills

Programming

PHP / JavaScript / Shell script / Golang
CodeIgniter / jQuery / PhantomJS / CasperJS

Database

MariaDB / MongoDB / Neo4j / Redis / Elasticsearch(IK)

Industry Knowledge

RESTful API / Database design / Systems analysis / Object-Oriented Design

Cloud service / System

GCP / GCE / GKE / GCS / Centos / MacOS

Language

Chinese (Native) / English (Basic) / Taiwanese (Native)

Other

Git / Google Office / Draw.io / Scrum / JIRA

Work Experience

awoo Inc. / Backend Engineer (Team Leader) / Jun 2018 ~ Nov 2019

AI tech based tagging system “Cupid”

Team Leader & Scrum Master
Manage 5 backend engineers, 1 frontend engineer

Data Warehouse Architecture (Neo4j, MongoDB, MariaDB) & ETL

Data layering to reduce dependency and easy to create different data for each application.
Develop ETL between each layer and improving it performance 2-5 times than before.

Database module for easy developing API or APP.
Client product feeds

Scheduled Fetches (XML, CSV) from SFTP or Google Storage.

Provide solution of dynamic product feed that capable to different clients.
Design a mechanism to reduce the cost of three-quarters of GCP virtual machines.

Products RESTful API

Cupid Data API (also can provide JS SDK using)

ProductTag API : providing tags of product to the clients.
Content API : providing product information of certain tags to the clients.
SuggestionTag API : providing related tags operated by W2V model and awoo algorithm to the clients.

Cupid Data FileExport : daily export product tag via file(XML) to the clients.

Provide solution of cupid data exporting that capable to different clients.

AI data labeling system for Data Labeling Associate.

Email/SMS platform “Tigerfly” delivery core system optimize

Collaborate with 3 backend engineers
Switch delivery core from PHP to Golang multithreading, improving performance triple than before.

Third party data collector system optimize - Google Ads API

Refactor and Deploy by GKE, improving performance twice than before and making system easy scaling.

awoo Inc. / Backend Engineer / Nov 2015 ~ Jun 2018

Third party data collector system

Job system (retry mechanism)
Crawl Google/Yahoo search engine result page by Raspberry Pi.

Switch crawler core from PHP to JS (CasperJS), fetching more JS render contents and simulating human operation.

Crawl website HTML and do SEO analytic.

Switch crawler core from PHP to JS (CasperJS), fetching more JS render contents.

Crawl Bing Ads search volume.
Fetch Google Ads API.

SEO growth hacking tools - “Sweetdream(綺夢)”

Data visualization: data source includes Google Analytics, Google Search Console, Google/Yahoo ranking, Google search volume.

“CupidAds” prototype develop : Keyword selecting tools for Google Ads
awoo 1st & 2nd intern training, junior engineer training

MingHan Li

MingHan Li

Skills

Programming

Database

Industry Knowledge

Cloud service / System

Language

Other

Work Experience

awoo Inc. / Backend Engineer (Team Leader) / Jun 2018 ~ Nov 2019

awoo Inc. / Backend Engineer / Nov 2015 ~ Jun 2018

Education

B.I.M. Information Management, Shih Hsin University, 2011 ~ 2015