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Purpose:
Help novice investors who enter the market the first time and
don’t know where to start. This project provide data visualization
screening and back-test tools to find their own trading strategies
without spending any money.
Feature:
1. Captured ten-year historical stock prices, institutional
investors and information of stock by crawling tool Cheerio,
and designed specific formats for various data to imported
into the database.
2. Converted specific graphics into mathematical models, and
provide the multiple options users to designed functions that
conform to the stock type.
3. Rendered historical stock prices and graphic positions created
by TechanJS Plots to verify the accuracy and validity of
graphic identify.
4. Allowed users to decide to trading property and strategies,
including available funds, brokerage discounts, fluctuation
ranges, and trading strategies.
5. Listed return on investment and transaction details, among
them, the back test calculation includes transaction taxes.
6. Used RDS as a database to record user-defined graphic
filtering and historical back-test results in personal data,
which could be used for historical query of relevant records
by users.
7. Used Mocha and Chai for unit test to confirm user page.

Stocker

Software Engineer

Huai Wei Hsieh

An e-commerce shopping website
• Built server on AWS EC2 with NGINX and handled the varying
load of application traffic by AWS ELB.
• Used AWS S3 to stored product images, and the reduced
response time through AWS CDN.
• Optimized MySQL schema by Normalization, Foreign Key and
Index.
• Constructed RESTful API for product details, orders, payments
and user information.
• Optimized data response efficiency through in-memory cache
mechanism by Redis.
• Performed server load testing by artillery.
• Integrated Facebook login via JavaScript SDK and Graph API.
• Integrated TapPay SDK (third-party payment API) for credit
card payment feature.

STYLiSH

• 3 years experience as Software Engineer

• 4 years experience as Medical Device R&D

•MainSkills

NestJS / Typescript, Node.js / Express.js Keycloak, OAuth2.0 MySQL

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