Experience

Experience

• AWS GenAI [Feb 2026 - present]

  Tech Lead & Senior Applied Scientist

  • Leading research on Multi-Agent Reasoning, Post-Training/Finetuning for Multimodal LLMs, and Synthetic Data Generation.
  • Research Liaison Lead of the Amazon-UCLA Science Hub, Graduate Research Mentor (Johns Hopkins University), Associate AWS Speaker, and Member of the Amazon Research Award Review Panel.

• AWS GenAI [Nov 2023 - Jan 2026]

  Tech Lead & Applied Scientist II

  • Led research on Synthetic Data Generation and Post-Training/Finetuning for Multimodal LLMs & Multi-Agent Reasoning.
  • Led org-wide open-source initiative: Agentic Multimodal Document Processing (GenAI IDP) — contributed millions in ARR.
  • Featured Blogs: Analytics Agents, Wired: NFL Storytelling, Multimodal Document Processing, Agentic Code Generation, Healthcare Document Comprehension, Code Generation, LLM-Tools, Optimized Small Model Inference.

• Amazon Alexa AI [Summer 2023]

  Applied Scientist Intern

  • Trained personalized LLMs for Alexa using knowledge graphs.

• University of Virginia [Aug 2019 - Jun 2023]

  Graduate Research Student

• Amazon Alexa AI [May 2021 - Aug 2021]

  Applied Scientist Intern

  • Developed a vocabulary-free multilingual neural tokenizer for end-to-end task learning.

• University of Dhaka [Mar 2017 - Aug 2019]

  Lecturer (Full-time), Department of Computer Science and Engineering [Sep 2017 - Aug 2019]

  Lecturer (Part-time), Department of Computer Science and Engineering [Mar 2017 - Aug 2017]

  • Courses taught: Software Engineering, Algorithm Design and Analysis, Software Design Patterns, Application Development Lab, Web Engineering and E-commerce, Fundamentals of Programming.

• United International University [Jan 2015 - Sep 2017]

  Lecturer, Department of Computer Science and Engineering

  • Competitive Programming Contest Coordinator and Coach [May 2015 - Sep 2017].
  • Software Development Contest & Hackathon Coordinator and Trainer [Jan 2015 - Sep 2017].
  • Courses taught: Algorithms, Mobile Application Development, Artificial Intelligence, Object-Oriented Programming, Discrete Mathematics, Structured Programming Language, and Database Management Systems.

• Tiger IT, Bangladesh [Apr 2014 - Aug 2014]

  Software Engineer

  • Developed a browser-based team communication application for conferencing and meetings, with availability tracking and one-click calling. Built with WebRTC, Node.js (backend), and HTML5 (frontend).

• Day Spring Ltd., Bangladesh [Jul 2013 - Aug 2013]

  Software Engineer

  • Worked as a backend engineer on the “Ansar Management System”, building the backend with Oracle Database and PHP (CodeIgniter).

• National Hackathon, Bangladesh [Apr 2016]

  Judge & Mentor, UX and Mobile Application Development

  • Judged and mentored teams on user experience and mobile application development.

• Google Developer Group – Dhaka [Aug 2015 - Sep 2015]

  Trainer, Android Mobile Application Development Training Program

  • Trained 30+ students from basic to intermediate levels of Android mobile application development.

• Ministry of ICT, Bangladesh [Feb 2015 - Apr 2015]

  Trainer, Android Mobile Application Development Training Program

  • Trained employees and students from beginner to professional levels of Android mobile application development.