Rabimba Karanjai

Staff Agent Researcher at PayPal
PhD in Computer Science, University of Houston
Google Developer Expert (Web Tech & ML)

📧 rabimba@gmail.com | 🌐 rabimba.me

Education

• PhD in Computer Science, University of Houston (2020 - 2025)
  • Advisor: Prof. Weidong (Larry) Shi
  • Dissertation: “Teaching AI’s reasoning Confidentiality”
• MS in Computer Science, Rice University (2015 - 2018)
  • Thesis: “Optimizing Virtual Reality”
• BE in Computer Science, Jadavpur University (2010 - 2014)

Experience

Staff Agent Researcher

PayPal | 2025 - Present

• Designing and deploying advanced machine learning models for AI-driven systems.
• Leading development of foundational Large Language Models (LLMs) for financial products.

Graduate Research Assistant

University of Houston | 2021 - 2025

• Research on AI Reasoning, Code Generation, and Distributed Systems.
• Developed “LogBabylon” framework and “AgentTester” for unit test generation.

Senior Software Engineer

Clearedin | 2020 - 2021

• Designed threat detection engines and anti-phishing algorithms.

Machine Learning Lead

Fireflies.ai | 2020

• Developed and deployed on-premise ASR (Automatic Speech Recognition) engines.

Research Associate

Mozilla Research | 2017 - 2018

• Optimized WebVR and WebGL performance in Firefox.

Summer Research Intern

IBM Almaden Research Center | 2017

• Developed multi-factor authentication systems using Blockchain.

Programmer Analyst

Cognizant Technology Solutions | 2010 - 2013

• Automated mobile hardware/software testing solutions.

Selected Awards

• Outstanding PhD Student, University of Houston (2022-2023, 2023-2024)
• Google Cloud Research Innovator (2023, 2024)
• Sui Foundation Academic Research Award (2023, 2024, 2025)
• Distinguished Paper Candidate, IEEE ICBC 2022
• Mozilla Research Fellowship (2018)

Recent Publications

• QuCoWE: Quantum Contrastive Embeddings with Variational Circuits, AAAI 2026.
• Securing Multi-Chain Ecosystem: Agent-Based Framework, AIWare 2025.
• AgentTester: Multi-Agent Approach for Unit Test Generation, AIWare 2025.
• LogBabylon: Unified Framework for Cross-Log File Integration, 2025.
• Decentralized Application Infrastructures as Smart Contract Codes, IEEE ICBC 2022 (Distinguished Paper Candidate).

Grants

• Sui Academic Research Grant (2023, 2024, 2025) - Primary Investigator ($25,000 each).

Professional Activities

• Google Developer Expert, Google Cloud (2024-2025), Web Technologies (2018-2024).
• Scientific Advisory Committee, Texas Quantum Initiative (2025).
• Associate Chair, CSCW 2026.