

Haoze He
About
Finally year Computational Math PhD student at EPFL, looking for research and research engineer roles
Doctoral Research Assistant at EPFL’s Chair of Numerical Algorithms and High-Performance Computing, with prior experience as Applied Scientist Intern at Amazon. Brings over 4 years of research experience in computational mathematics and Large Language Model (LLM), alongside 5+ years of software engineering across OS design, compiler development, and applied research in NLP and computer vision. Proven ability to build production‑ready solutions---from core algorithms to large-scale applications. Passionate about tackling real-world problems through algorithms and mathematics and writing efficient, maintainable code. Skilled in communicating complex technical ideas with clarity and precision.
Social Media:
Skills
Academic Research
Algorithm Design
Applied Mathematics
Applied Research
C++
Computer Vision
Graph Theory
Machine Learning
NLP
Numerical Linear Algebra
Probability
Python
Open for
fulltime
cofounder
Work Experience
Amazon Web Services
2024-09 - 2025-02
Applied Scientist Intern
Germany
internship
• Conducted model compression research for Large Language Models (LLM) with focus on quantization and structured matrices pruning • Applied techniques from numerical linear algebra research to improve state‑of‑the‑art quantization and pruning algorithms • Designed downstream evaluation pipelines for real‑world production scenarios. • Applied the research to up‑to‑date LLaMA models and internal models, achieving ∼13% compression with <1% drop in downstream accuracy
Uber Advanced Technologies Group
2020-04 - 2020-08
Software Engineer Intern
Pittsburgh, US
internship
• Improved the precision and efficiency of the Collision Detector in C++ • Built a visualization system for various safety events in C++ and JavaScript
PerkinElmer Innovation Lab
2017-12 - 2018-04
Full Stack Developer Intern
Waterloo, Canada
internship
Developed machine learning algorithms for remote analysis and monitoring of chemical experiments through measurement devices
Wish (ContextLogic Inc.)
2020-08 - 2021-08
Machine Learning Engineer
Toronto
fulltime
• Developed and fine‑tuned TextCNN model for embedding product titles and queries • Built end‑to‑end ML pipelines: data generation, model training, deployment, and monitoring using Go and Python. • Cleaned product titles using BERT‑based entity extraction • Developed an easily maintainable machine learning pipeline which extracts features, refines ranking and boost targeted products during query search by XGBOOST and LR, improved the overall Click Through Rate by 15% • Applied graph theory and approximate nearest neighbor search to enable similar product recommendations.
Uber ATG (Advanced Technologies Group)
2019-04 - 2019-08
Computer Vision Research Intern (Autonomy Vehicle)
Pittsburgh
internship
• Unified image processing modules with C++/Python bindings • Studied effects of Gamma Correction and Color Correction on existing RestNet‑style models for road‑edge boundaries detection • Optimized image processing parameters for the deep learning models • Improved generalization of the model by implementing customized data augmentation tools through mathematical optimization • Facilitated a seamless migration of Computer Vision models from the outdated camera platform to the new one
Mappedin Inc.
2018-08 - 2018-12
Prototype Developer Intern
Waterloo, Canada
internship
Developed Computer Vision algorithms for indoor navigation in shopping malls
Academic Experience
École polytechnique fédérale de Lausanne -
2021.09 - now
Philosophical Doctorate, PhD in Computational Math and Computer Science
University of Waterloo -
2025.09 - 2025.09
Bachelor of Science, BSc in Mathematics and Computer Science