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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Senior

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Top School

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 (18)

transformers7

parallel7

acl7

phonetics7

huggingface-transformers7

deepspeed6

deep-learning6

computational-linguistics6

comprehension6

machine-learning6

language-model6

pytorch6

gpt5

natural-language-processing5

choices5

Programming languages (2)

Jupyter NotebookPython

Github contributions (5)

pujari-rajkumar/compositional_learner

Jan 2021 - Sep 2022

Compositional learner for political domain text

Contributions:27 commits, 60 pushes, 2 comments in 1 year 8 months

pujari-rajkumar/pujari-rajkumar.github.io

Feb 2021 - Mar 2025

Contributions:89 pushes, 3 branches in 4 years 2 months

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