Ike Chang (張智捷)
Job Search Status
March 2020 ~ Present1 yr4 mosTechnical founding a food-tech company from scratch with engineering background. - Collecting public food delivery platform data in Taiwan everyday which involves 400,000+ rows per day - Collecting real estate data in Taipei everyday - Manage official and product sites - official: https://goonose.com - product: https://basset.goonose.com - Developing a food delivery aggregator from backend to mobile: Basset - Using ReactNative, Node.js, Firebase function, PostgreSQL - https://play.google.com/store/apps/details?id=com.goonose.basset - https://apps.apple.com/tw/app/basset-外送比價的最佳選擇/id1536542754#?platform=iphone - Operating/Growth Basset to get the first users - Participate with real estate part to build a cloud kitchen solution
November 2016 ~ March 20203 yrs5 mosWorked as a software engineer in the early stage. - Experienced with Node.js, PostgreSQL - Experienced with third-party payment API - Participate recruiting the first 10 backend/frontend engineers - Maintain a self-hosted Gitlab, serving 50+ developers(including software and hardware teams) - Maintain an MQTT server based on MOSCA, could handle 30k messages per second - Cloud infrastructure migration from AWS to GCP, saving 60% cost, also cuts avg. latency from 50ms to 15ms - Cloud infrastructure (mostly GCP) maintainer - Migration legend business logic from VB(SOAP) to Nodejs(RESTful) on the fly through customize proxy - Develop a payment gateway micro service, handle more than 10k transactions a day which involves around 30K USD. - Develop a flexible discount credits system for marketing - Develop new renting flow, prevent duplication using optimistic lock instead pessimistic lock, saving reserving time from 3s to 1s - Develop a prototype of the reporting system using google spreadsheet, make operating smoothly with the customer service department - Develop new pricing calculating system, more flexible for marketing strategy - Develop a subscription feature for more customer's need - Develop a dashboard/monitoring prototype backend - Introduce Metabase as a BI tooling into Data department
May 2014 ~ July 20162 yrs3 mosGambling system backend engineer - Using PHP(fuelphp), MySQL, Memcached - Maintaining core game module - Developing/Extending new lottery games based on the core module - Developing a whole new lottery game based on a real-time baccarat game which earning $100,000/day in first month
ROC Army (Taiwan)
November 2011 ~ November 20121 yr1 moCompulsory military service, 2126T Be trained as a M109A2 gunner.
Feng Chia University
2008 ~ 2011
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