John Chen
Software Development Engineer III at Walmart Global Tech
Greater Seattle Area United States
Summary
👤
Senior🎓
Top SchoolJohn Chen is a seasoned backend and cloud engineer with a decade of experience building scalable APIs, data pipelines, and automation across AWS and GCP for enterprises and NIH/NCI-funded healthcare research platforms. He has a strong track record at companies like Walmart Global Tech, J.P. Morgan, and Emmes Group, where he designed Python microservices, Cloud Functions, and SQLAlchemy-backed pipelines to ingest and validate complex clinical and biospecimen data. Recently he’s been architecting agentic AI chatbot systems that integrate LLMs, FastAPI, and event-driven AWS services to automate multi-step customer and associate workflows while reducing latency and hallucinations. Comfortable across test automation, CI/CD, and ServiceNow workflow automation, he blends production-grade engineering with a practical focus on data integrity and operational efficiency. Based in the Seattle area, he’s looking for backend/SDET roles where he can marry cloud-native engineering with ML-driven automation.
11 years of coding experience
7 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Washington State University
Stackoverflow
199reputation
2kreached
3answers
5questions
Github Skills (57)
froala10
send-sms10
dom10
preact10
virtual-dom9
exceldatareader9
sms9
phone-number9
wysiwyg9
react9
codesandbox8
rich-text-editor8
jsx8
react-tooltip8
react-component8
Programming languages (6)
Github contributions (5)
coldshower/princeton
Aug 2016 - Nov 2016
Contributions:43 commits, 49 pushes, 3 branches in 3 months
coldshower/blog
Mar 2018 - Feb 2026
me blog
Contributions:166 pushes, 1 branch in 7 years 11 months
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