You-Cheng Wang Email & Phone Number

台灣 臺北市

台灣 臺北市

- Develop and maintain 2 primary OTT product backends.- Lead a two-member team collaborating with 10+ individuals from various departments.- Refactor and integrate the product's backend framework independently in one month. Implement a comprehensive process covering Swagger documentation, integration/unit testing (60% coverage), Docker containerization, and supplementary documentation. Boost onboarding and development efficiency by 100%.- Redesign a VOD publishing system to achieve a 2400x speed improvement in content publishing for editors, reducing the process from 4 hours to 1 second or less. Additionally, decrease storage capacity by 18x (900MB to 50MB).- Study the Atlas Search manual alone and create a 10,000+ word document to educate non-technical content editors on full-text search. Modularize the code to enable flexible adjustments for relative VOD features.

台灣 臺北市

- Utilize Atlas Search to independently develop and design a full-text search system, aiming to replace the existing search system, achieve a 60% cost reduction, and boost request efficiency by 250%.- Manage VOD and channel streaming with HLS protocol, and assist in switching signal sources.- Develop SDKs to enable other companies to accept our channel signal.- Integrate internal department needs to open a service for API communication, reducing direct database interactions.- Incorporate Server-Sent Events to enable QR code login functionality, effectively mitigating polling issues.

台灣 臺北市

- Develop and maintain a social trading network for newbie stocks/crypto/forex investors.- Built up the product with mircoservice, grpc and k8s.- Serve as a representative of junior backend engineer, participating in the discussion of the feasibility of new requirements with the CTO and PMs.- Bring a speedup of 600 times (from 300 to 0.5s) to a real-time function that accesses 1,000+ user datum through redis pipeline (spending only 2 days).- Implement an image compression service based on kafka.- Maintain and develop a customer forum, including features like posting, commenting, following, nametag and hashtag.- Optimize the CPU usage of a micro service for 95% through pprof and by changing only 1 line of code.- Participate in the reconstructure of the core order system, mainly responsible for the calculation of risk level, stop loss & take profit, and liquidation.- Design and build the copy trading system, using kafka to handle a large number of copier orders after their traders commit the orders.- Writing unit / integration tests and achieving 80%+ coverage.

台灣 臺北市

- Develop and maintain web server api with basic CRUD.- Create over 20 background programs and sql commands to update data. - Integrate logger writer and configuration for background programs to greatly reduce development time.

Douliu City, Taiwan, Taiwan

- Develop and maintain a smart vending machine with a backend API that allows users to browse, list, and purchase products independently.- Develop web server api with basic CRUD, payment flow and MQTT Broker.- Develop barcode scanner and record data into database.- Integration test, coverage 80% up.