Hien To
Software Engineer
Seattle, Washington, United States
Summary
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SeniorHien To is a Software Development Engineer with 12 years of experience building large-scale internet and crowdsourcing systems, currently contributing to Amazon's Ground Truth and Augmented AI efforts. He holds a Ph.D. in Computer Science from USC and has translated academic research on privacy-preserving spatial crowdsourcing and task pricing into practical applications used by government and industry partners. At Amazon he works on data labeling and human-in-the-loop ML services that power SageMaker and Mechanical Turk, bridging research-grade algorithms and production-scale engineering. Earlier roles include database research and patented optimizations at Teradata and backend systems for high-traffic products at VNG, demonstrating a strong foundation in algorithms and distributed systems. Comfortable across research and product engineering, he has a track record of turning novel research into deployed software and tooling. Based in Seattle, he blends deep technical expertise with a pragmatic focus on scalable, privacy-aware data collection and ML infrastructure.
12 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
swagger8
rest-api8
data-structure8
parsing8
rest8
data-structures7
swagger-codegen7
algorithms7
open-source6
openapi6
django5
geospatial4
Programming languages (3)
Github contributions (5)
P2PLearning/DSA
May 2020 - Aug 2020
Data Structures and Algorithms
Contributions:64 commits, 40 PRs, 68 pushes in 2 months
data-structuredata-structures
ubriela/geocrowd-priv-dynamic
May 2014 - Jul 2016
Contributions:44 commits, 15 pushes, 1 branch in 2 years 2 months
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