Imtihan Ahmed
Senior Machine Learning Engineer at Pinterest
Old Toronto, Ontario, Canada
Summary
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Senior🎓
Top SchoolImtihan Ahmed is a Senior Machine Learning Engineer based in Old Toronto, Canada, with eight years of experience delivering scalable ML solutions for millions of users. He currently builds ML pipelines at Pinterest for web crawling, content extraction, and Pin generation within the shopping content mining team, and previously advanced LLMs and retrieval-augmented generation at Mozilla AI with LoRA fine-tuning, adaptation, and Ragas-based evaluation. Prior roles at Meta and IBM saw him deliver substantial performance gains—up to 40% improvements in models and a 2.5% lift in engagement—and develop data pipelines and analytics that drive recommendation quality. His work spans Python, SQL, and ML tooling (Transformers, LangChain, vLLM), with hands-on experience deploying models at scale and evaluating them against human judgments. He also has a strong academic background from the University of Toronto and the University of Alberta, including teaching responsibilities and research on language models, conversation therapy datasets, and scalable cloud deployments. He combines industry impact with scholarly curiosity, turning complex ML research into production-ready systems.
9 years of coding experience
8 years of employment as a software developer
3.7, 3.7 at University of Toronto
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
artificial-intelligence8
large-language-models7
ai7
llm7
deep-learning7
llm-inference6
modular1
Programming languages (2)
Github contributions (5)
imtihan/Generating-Reflections-Using-GPT-2-Few-Shot-Learning
Nov 2020 - Jul 2021
Contributions:21 commits, 4 pushes in 7 months
imtihan/imtihan-SubBook
Feb 2018 - Feb 2018
Contributions:19 pushes, 1 branch in 1 day
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