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Focus on delivering software that is simple, correct, consistent and high-quality with the proper tech stack.

Interested in Improving people's lives better, saving them from time-wasting chores with technologies.

Feng Chia University

Software Engineer

Ike Chang (張智捷)

Goonose

Technical Co-Founder

Technical 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

Worked 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

WeMo Scooter

Gambling 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

中佑資訊

Compulsory military service, 2126T

Be trained as a M109A2 gunner.

Ike Chang (張智捷)’s posts