Kartik Choudhary
Machine Learning Engineer III at Nextdoor
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolKartik Choudhary is a Machine Learning Engineer III based in San Francisco with eight years of experience architecting low-latency, resource-constrained recommender systems for consumer apps. At Nextdoor he integrates structured signals with text and video understanding to deliver highly personalized, adaptive feeds that respond to rapidly changing user preferences. His background includes production work on search relevance and candidate scaling at TikTok and research on LLM evaluation, off-policy offline RL, and model interpretability during internships at Meta and Microsoft. He has a strong academic foundation from UMass Amherst and IIT Delhi and a practical track record improving real-world metrics like search coverage and CTR. Known for enjoying hard deep-learning problems, he blends research rigor with pragmatic engineering to ship efficient ML systems at scale. Reach out to discuss applied ML research, recommender system design, or collaboration on evaluation and safety work.
8 years of coding experience
5 years of employment as a software developer
Indian Institute of Technology Delhi (IIT Delhi)Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at University of Massachusetts Amherst
English, Hindi, Japanese
Github Skills (53)
visualization10
widgets10
toolbox10
jupyter10
fairness-ml10
data-science9
monitor9
data-quality9
data-driven9
python9
reinforcement-learning-environments9
machine-learning9
api9
deep-learning9
data-analysis9
Programming languages (9)
Github contributions (5)
UMass-Meta-LLM-Eval/llm_eval
Apr 2024 - Dec 2024
A comprehensive study of the LLM-as-a-judge paradigm in a controlled setup that reveals new results about its strengths and weaknesses.
Contributions:9 releases, 10 reviews, 10 PRs in 7 months
large-language-modelsllm-as-a-judgenlp-machine-learning
kartikc727/kartikc727.github.io
May 2021 - Feb 2025
Website for my profile.
Contributions:56 PRs, 104 pushes, 29 branches in 3 years 10 months
jekyllmy-profile
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