Kai Chang Chang Email & Phone Number

Taiwan

Taiwan

台灣

Containerized backend projects using Docker, reducing onboarding time by 50% and enhancing developer experience (DX) while minimizing platform-specific development challenges.Contributed to planning and discussions for Ruby 3 and Rails 7 upgrade initiatives, including drafting a comprehensive roadmap.Optimized marketing email delivery processes, resulting in a 30% improvement in delivery rates.Enhanced CI/CD pipelines by automating additional tasks, reducing human error… Show more Containerized backend projects using Docker, reducing onboarding time by 50% and enhancing developer experience (DX) while minimizing platform-specific development challenges.Contributed to planning and discussions for Ruby 3 and Rails 7 upgrade initiatives, including drafting a comprehensive roadmap.Optimized marketing email delivery processes, resulting in a 30% improvement in delivery rates.Enhanced CI/CD pipelines by automating additional tasks, reducing human error and improving overall team efficiency.Rapidly designed and launched a new MVP product, Tripla Guide, within a 2-month timeframe, significantly boosting the company's competitive edge. Show less

台灣

Initiated and carried out code refactoring to improve system efficiency while continually developing innovative features.Collaborated closely with front-end developers and product managers to ensure alignment of objectives and seamless workflow.Diligently monitored Rollbar to identify and track bugs, proactively maintaining system stability.Engaged in knowledge sharing during weekly "Friday mini-sharing" sessions, contributing to a culture of continuous learning and… Show more Initiated and carried out code refactoring to improve system efficiency while continually developing innovative features.Collaborated closely with front-end developers and product managers to ensure alignment of objectives and seamless workflow.Diligently monitored Rollbar to identify and track bugs, proactively maintaining system stability.Engaged in knowledge sharing during weekly "Friday mini-sharing" sessions, contributing to a culture of continuous learning and development.Acted swiftly to address bugs, ensuring system performance and reliability.Assisted customers by addressing their queries regarding the system, and providing exceptional customer service.Reorganized BackEnd Team files to facilitate quicker onboarding of new employees, enhancing overall team productivity.Successfully migrated a large volume of data to ElasticSearch, significantly accelerating search results and improving user experience. Show less

台灣 Taipei City 台北

- Reduced labor costs by 40% by migrating customer's payroll operations to a web application; led seamless Rails 6 to Rails 7 upgrade for enhanced development efficiency- Optimized website SEO to full score by implementing AWS Cloudfront as CDN; developed essential features like message boards, shopping flow, real-time notifications, and video tracking- Cut maintenance costs by 20% through efficient crawler automation on famous fundraising platform data using Sidekiq and Redis… Show more - Reduced labor costs by 40% by migrating customer's payroll operations to a web application; led seamless Rails 6 to Rails 7 upgrade for enhanced development efficiency- Optimized website SEO to full score by implementing AWS Cloudfront as CDN; developed essential features like message boards, shopping flow, real-time notifications, and video tracking- Cut maintenance costs by 20% through efficient crawler automation on famous fundraising platform data using Sidekiq and Redis, ensuring continuous execution and reducing manual upkeep- Enhanced website performance by 40% by rebuilding customer's official site with Next.js, Dockerized the project for faster and more reliable delivery- Increased performance by 30% in scheduling systems through Redis caching, reduced database interactions; integrated Google Sheets API for efficient Excel data import Show less