Summary
Overview
Work History
Education
Skills
Awards
Publications
Patent
Timeline
Generic

Nikita Mishra

San Francisco,CA

Summary

Machine learning leader with 8+ years of experience in personalization, search, and recommender systems. Currently managing an Applied Science team at Twitch, delivering state-of-the-art foundational models powering discovery and feed ranking. Published in top-tier venues (ASPLOS, MICRO, UAI) with a strong track record of turning research into impactful ML products.

Overview

15
15
years of professional experience

Work History

Applied Science Manager

Twitch
09.2022 - Current
  • Team: Community Discovery Machine Learning (Recommendations, Search and Notifications)
  • Leading a cross-functional team of scientists and engineers building Twitch's real time large scale deep learning based personalization systems including feed, content recommendation, search and notifications. My team designed deep learning models with two-tower architectures, embedding retrieval, learning to rank models using TensorFlow, Spark and Opensearch.
  • Scaled a research-driven team culture, mentoring and hiring across levels, and delivering high-impact launches and state-of-the-art personalization systems.

Senior Applied Scientist

Twitch
01.2019 - 09.2022
  • Built Twitch’s first ML-powered search suggestion and retrieval system, using behavioral signals to deliver real-time, personalized query suggestions.
  • Developed automated tuning algorithms for OpenSearch, optimizing retrieval performance and dynamically adjusting index/query parameters, saving weeks on manual tuning time for engineers.
  • Drove significant improvements in search business metrics (+5%) through a combination of offline evaluation and live A/B testing.

Machine Learning Engineer and Data Scientist

Solvvy Inc.
06.2017 - 12.2018
  • Built an intent classification engine for customer support queries. Developed NLP pipelines for real-time information retrieval.

Software Intern

Apple Inc.
06.2015 - 08.2015
  • Developed energy-aware runtime monitoring tools for experimental hardware at New Product Architecture (Core OS) team

Research Intern

Georgia Institute of Technology, College of Computing
06.2011 - 08.2011
  • Designed cost-sensitive medical diagnostic policies based algorithms.

Research Intern

Microsoft Research
12.2010 - 02.2011
  • Developed Unsupervised techniques for web-query segmentation for Bing search.

Education

PhD - Computer Science

University of Chicago
Chicago, IL
01.2017

MS - Computer Science

University of Chicago
Chicago, IL
01.2015

Integrated MSc (Honors) - Statistics and Informatics

Indian Institute of Technology, Kharagpur
Kharagpur, India
01.2012

Skills

  • C, C, Python, SQL, R, TensorFlow, Scikit-learn, Spark, Elasticsearch, Airflow, Spark, Weights & Biases

Awards

  • IEEE Micro Top Picks Honorable Mention 2019: Honorable Mention for our paper in the Top Picks from the Computer Architecture Conferences, in its May/June 2019 issue.
  • University unrestricted(UU) fellowship 2015: Research fellowship in Computer Science at The University of Chicago.
  • Best thesis award in Integrated Masters in Statistics at IIT Kharagpur 2012: Awarded for best thesis for thesis title Clustering and Classification Techniques for Directional and Mixture Datasets, among students in Integrated Masters of Science in Statistics and Informatics at Indian Institute of Technology Kharagpur.
  • McCormick Fellowship 2012: Selected for McCormick fellowship during admission at The University of Chicago, PhD program in Computer Science.
  • CRUISE Scholarship 2011: Selected as research Intern in School of Computing, Georgia Institute of Technology.
  • Kishore Vigyanik Protsahan Yojana Scholarship 2007: Selected as a fellow in Science stream under KVPY by Indian Institute of Science.
  • Google Travel Award at WWW-2011

Publications

  • Proteus: Language and Runtime Support for Self-Adaptive Software Development - S Barati, FA Bartha, S Biswas, ... Nikita Mishra (Alphabetical list of authors) in IEEE Software, 2019.
  • Controlling AI Engines in Dynamic Environments - Nikita Mishra, Connor Imes, John D. Lafferty, Henry Hoffmann, in (SysML-2018), February 2018.
  • CALOREE: Learning Control for Predictable Latency and Low Energy. - Nikita Mishra, Connor Imes, John D. Lafferty, Henry Hoffmann, International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS-2018).
  • Memory cocktail therapy: a general learning-based framework to optimize dynamic tradeoffs in NVMs. Deng, Zhaoxia, Lunkai Zhang, Nikita Mishra, Henry Hoffmann, and Frederic T. Chong. IEEE/ACM International Symposium on Microarchitecture (MICRO-2017).
  • ESP: A Machine Learning Approach to Predicting Application Interference. Nikita Mishra, John D Lafferty, Henry Hoffmann - IEEE International Conference on Autonomic Computing (ICAC-2017).
  • (Nearly) Optimal Differentially Private Stochastic Multi-Arm Bandits- Nikita Mishra, Abhradeep Thakurta, To Appear in the Proceedings of the 31th International Conference on Conference on Uncertainty in Artificial Intelligence (UAI-2015), July 2015.
  • A Probabilistic Graphical Model-based Approach for Minimizing Energy Under Performance Constraints- Nikita Mishra, Huazhe Zhang, John D. Lafferty, Henry Hoffmann, in Proceedings of the 20th International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS-2015), March 2015.
  • Private Stochastic Multi-arm Bandits: From Theory to Practice- Nikita Mishra, Abhradeep Thakurta, in ICML 2014 Workshop on Learning, Security and Privacy.
  • Unsupervised query segmentation using only query logs- Nikita Mishra, Rishiraj Saha Roy, Niloy Ganguly, Srivatsan Laxman, and Monojit Choudhury, in Proceedings of the Twentieth International World Wide Web Conference (WWW 2011), Companion Volume, Hyderabad, March 28-Apr 1, 2011.

Patent

Apparatus and method for optimizing quantifiable behavior in configurable devices and systems Nikita Mishra, John D. Lafferty, Henry Hoffmann, in US Patent App. 15/457,743.

Timeline

Applied Science Manager

Twitch
09.2022 - Current

Senior Applied Scientist

Twitch
01.2019 - 09.2022

Machine Learning Engineer and Data Scientist

Solvvy Inc.
06.2017 - 12.2018

Software Intern

Apple Inc.
06.2015 - 08.2015

Research Intern

Georgia Institute of Technology, College of Computing
06.2011 - 08.2011

Research Intern

Microsoft Research
12.2010 - 02.2011

PhD - Computer Science

University of Chicago

MS - Computer Science

University of Chicago

Integrated MSc (Honors) - Statistics and Informatics

Indian Institute of Technology, Kharagpur