william changWC
Open to opportunities

william chang

@williamchang1

Senior Software Engineer with 10+ years of experience in scalable systems.

United States
Message

What I'm looking for

I am looking for a role that fosters innovation and collaboration, where I can leverage my expertise in software engineering to drive impactful projects and mentor others.

As a Senior Software Engineer with over a decade of experience, I have honed my skills in building scalable, high-performance systems across various domains, including eCommerce and AI-driven healthcare. My journey has been marked by significant contributions at leading companies like Amazon and Walmart, where I have led the design and implementation of innovative solutions that drive efficiency and enhance user experience.

At Amazon, I developed secure, low-latency APIs and architected real-time AI Voice Agency solutions, leveraging cutting-edge technologies such as WebRTC, Kafka, and gRPC. My role involved mentoring cross-functional teams and optimizing UX latency, ensuring that our systems not only met but exceeded industry standards. Similarly, at Walmart, I played a pivotal role in enhancing the global e-commerce platform, focusing on modular front-end development and backend service frameworks that improved performance and accessibility for millions of users.

My passion for clean code and performance optimization drives me to continuously seek out new challenges and opportunities for growth. I am committed to mentoring the next generation of engineers and contributing to projects that make a meaningful impact in the tech landscape.

Experience

Work history, roles, and key accomplishments

AM
Current

Senior Software Engineer

Amazon

Oct 2018 - Present (6 years 9 months)

Developed secure, low-latency APIs and inference pipelines using Go, Python, and FastAPI, with support for streaming ASR and real-time summarization delivery via WebSockets and Redis. Architected end-to-end real-time AI Voice Agency using WebRTC, Twilio Voice, gRPC, and Kafka, enabling passive recording of clinical consultations across mobile, web, and EHR-embedded platforms.

WA

Full Stack Developer

Walmart

Oct 2014 - Present (10 years 9 months)

Developed modular, high-performance front ends using React, Redux, JavaScript, and Material-UI, optimizing for accessibility and performance across devices. Led engineering initiatives for Walmart’s global e-commerce platform serving over 100 million active users, designing resilient, high-throughput microservices.

Education

Degrees, certifications, and relevant coursework

University of Texas at Austin logoUA

University of Texas at Austin

Bachelor's Degree, Computer

Obtained a Bachelor's Degree in Computer from the University of Texas at Austin. The curriculum provided a strong foundation in computer science principles and practices.

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