Edward Chang

Jobs 0% verified

Staff Software Engineer

Gusto

Aug 2019 - Current (6 years 11 months)

• Played a key role in Gusto's Payroll, Benefits, and Compliance platforms, working hands-on across the full stack and leading initiatives that improved system reliability by 30%, supporting payroll processing for 200,000+ small businesses • Revamped backend services using Python, Java, and Ruby on Rails, increasing release frequency by 40% and data access speed by 25% through refactoring legacy monoliths and implementing GraphQL APIs • Directed integration of OpenAI APIs to build an internal AI assistant using TypeScript, React, and Python, increasing team productivity and reducing onboarding time by 20% • Designed and maintained API integrations and SDKs in Python and JavaScript for third-party benefits partners using REST, GraphQL, a
Senior Software Engineer

DoorDash

Jul 2014 - Aug 2019 (5 years 2 months)

• Led engineering across DoorDash's logistics, Payments, and Merchant platforms, driving a 10x increase in order volume and launching real-time order tracking and dynamic pricing, which boosted customer engagement by 40% and reduced delivery ETAs by 30% • Devised scalable microservices with Python (Django), Java (Spring), and Node.js, orchestrating deployment with Kubernetes and Docker on AWS to accelerate DoorDash's national expansion • Upgraded dispatch and routing systems using a stack of Python, Java, Redis, AWS Lambda, and Kubernetes, achieving 25% faster driver assignment and 18% less idle time • Modernized consumer and dasher web apps by migrating to React, Redux, and TypeScript, achieving 50% faster page loads and a unified cros

Education 0% verified

About

Detail

Timeline

Résumé