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william chang

@williamchang

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Senior software engineer specializing in AI and backend development.

United States

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What I'm looking for

I am looking for a role that fosters innovation, collaboration, and growth, where I can leverage my skills in AI and backend development to create impactful solutions.

As a Senior Software Engineer at Amazon, I have led the development of innovative backend solutions for clinical voice-to-note tools, utilizing cutting-edge technologies such as Python, Go, and FastAPI. My work has significantly improved real-time data pipelines and transcription accuracy, showcasing my ability to merge technology with healthcare needs.

Previously, at Walmart, I contributed to the e-commerce backend, impacting over 100 million users globally. I played a pivotal role in enhancing system performance and user experience through dynamic frontend development and intelligent request routing. My passion for mentoring junior engineers and leading cross-functional teams has been a cornerstone of my career, fostering collaboration and knowledge sharing.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Amazon

Oct 2018 - Present (6 years 9 months)

Led backend development for clinical voice-to-note tools using Python, Go, and FastAPI, supporting secure, real-time data pipelines. Designed and maintained audio streaming pipelines using WebRTC, Twilio Voice, Kafka, and gRPC for live transcription and summarization. Built an AI-powered voice agent that listens to doctor-patient conversations, performs real-time transcription, and delivers struct

Python Go)fastAPI WebRTC Twilio Kafka gRPC AI Machine Learning NLP Kubernetes

Full Stack Developer

Walmart

Oct 2014 - Aug 2018 (3 years 10 months)

Contributed to internal frameworks in Go, Python, and TypeScript that standardized backend service scaffolding, reducing onboarding time and development friction. Directed core platform initiatives across a high-performing software development team supporting Walmart’s e-commerce backend, serving 100M+ users globally. Built a dynamic and responsive frontend with React, Redux, and Material-UI, impr

Go)Python TypeScript React Redux Material UI Redis Kubernetes

Education

Degrees, certifications, and relevant coursework

University of Texas at Austin

Bachelor's Degree, Computer Science

Obtained a Bachelor's Degree in Computer Science. Studied various aspects of computer science, including programming, algorithms, and data structures.