Rajkumar Pujari - Applied Scientist II at Amazon

Rajkumar Pujari

Applied Scientist II at Amazon

West Lafayette, Indiana, United States

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Summary

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Rajkumar Pujari is an Applied Scientist II at Amazon AGI with 13 years of experience bridging academic NLP research and production-scale AI, currently focused on post-training frontier LLMs and graph foundation models. He holds a PhD in NLP from Purdue, with publications at ACL/NAACL/EMNLP and DARPA CCU involvement, and has built culturally grounded pragmatic language models and multi-agent systems for assessing social media information quality. His background spans industry research internships at Microsoft Research and Alexa, quantitative research at WorldQuant, and deep-learning work at IIT Bombay, giving him a rare mix of rigorous ML, graph modeling, and applied evaluation expertise. Notably, his PhD work explored cross-cultural norm discovery across seven language-culture pairs, reflecting a practical commitment to socially aware language understanding.

13 years of coding experience

8 years of employment as a software developer

Schooling, Schooling at Geethanjali Public School

10th, Schooling, 87.4%, 10th, Schooling, 87.4% at Sainik School, Korukonda

Bachelor of Technology (Hons.), Computer Science and Engineering, 9.10/10.0, Bachelor of Technology (Hons.), Computer Science and Engineering, 9.10/10.0 at IIT Kharagpur

Doctor of Philosophy - PhD, Natural Language Processing (Computer Science), 3.8/4.0, Doctor of Philosophy - PhD, Natural Language Processing (Computer Science), 3.8/4.0 at Purdue University

High School, MPC, 96.3%, High School, MPC, 96.3% at Sri Chaitanya Junior College

English, Telugu, Hindi

Stackoverflow

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Github Skills (14)

language-model9

comprehension8

deepspeed7

transformers7

multi-task-learning6

phonetics5

acl4

natural-language-processing4

choices4

nlp3

computational-linguistics3

reinforcement-learning2

html2

ai1

Programming languages (2)

Jupyter NotebookPython

Github contributions (5)

pujari-rajkumar/pujari-rajkumar.github.io

Feb 2021 - Jul 2026

Contributions:101 pushes, 3 branches in 5 years 6 months

pujari-rajkumar/naacl2019

Sep 2019 - Dec 2020

Code repository for the NAACL 2019 short paper "Using Natural Language Relations between Answer Choices for Machine Comprehension"

Contributions:4 commits, 1 PR, 8 pushes in 1 year 3 months

nlpnaaclanswerrelationscomprehension

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