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 with nine years of experience building large-scale ML systems for consumer platforms, currently shaping shopping content mining and Pin generation at Pinterest. He has a strong track record at Mozilla.ai and Meta optimizing and fine-tuning LLMs and recommendation models—delivering up to 40% offline improvements and new candidate sources that boosted engagement. Imtihan blends production engineering (Python, SQL, Spark, Presto) with research-driven ML, having deployed LLM-powered therapeutic chatbots and evaluated conversation therapy techniques during his graduate work. He’s comfortable across the ML lifecycle—from data pipelines and candidate generation to LoRA fine-tuning, quantization, and RAG evaluation using tools like HF Transformers, LangChain, vLLM and Ragas. Based in Old Toronto, he pairs academic rigor (MSc, U of Toronto) with hands-on product impact at scale, and brings a curious, cross-domain perspective evident in both engineering and applied research projects.
9 years of coding experience
8 years of employment as a software developer
Bachelor of Science - BS Mathematics and Computer Science, Bachelor of Science - BS Mathematics and Computer Science at University of AlbertaHigh School Diploma, High School Diploma at Old Strathcona Academic High SchoolMaster of Science - MS Computer Engineering, Master of Science - MS Computer Engineering at University of Toronto
Stackoverflow
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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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