Joy Chugh
Machine Learning Engineer at Mercari US
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolJoy Chugh is a Machine Learning Engineer with 11 years of experience who specializes in building and shipping large-scale, production ML systems across personalization and safety domains. Currently leading multimodal fraud and scam detection at Meta, she has driven a 24% reduction in harmful content views across Facebook, Instagram and Threads while keeping false positives low. Previously at Spotify she combined causal inference, uplift modeling and deep learning to boost Premium conversions by hundreds of thousands and raise retention by 26%, and earlier work created high-throughput personalization services and knowledge-graph features powering global playlists. Comfortable across the full ML lifecycle, Joy blends hands-on model development, data pipeline engineering and technical product leadership to deliver measurable business impact. Relocating to Tokyo in March 2026, she seeks Senior ML Engineer or Tech Lead roles and brings a rare mix of safety-focused multimodal modeling and growth-oriented personalization experience.
11 years of coding experience
14 years of employment as a software developer
Manav Sthali High SchoolMS, Information Technology, MS, Information Technology at Worcester Polytechnic InstituteBCA, Computer Applicaton, BCA, Computer Applicaton at Guru Gobind Singh Indraprastha University
English, Hindi
Github Skills (25)
go7
semantic-versioning7
conventional-changelog6
changelog6
conventional-commits6
toolbox6
release-automation5
docker4
discord-bot4
docker-container4
sbt-plugin4
git3
electron3
windows3
scala2
Programming languages (5)
Github contributions (5)
joychugh/pgoapi
Jul 2016 - Aug 2016
Contributions:71 pushes, 3 branches, 3 tags in 16 days
golangbotdiscord-bothackedpokemon-go
joychugh/hyperloglog
Jul 2015 - Aug 2015
Contributions:6 PRs, 28 pushes, 3 branches in 9 days
javalogginghyperloglog
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