CV
CV
Full Name | William Das |
Date of Birth | Mar. 1 2003 |
Languages | English, Japanese |
whd2108@columbia.edu, williamhdas@gmail.com |
Education
- 2021 - 2025
B.A. in Computer Science + Cognitive Science
Columbia University
- Computer Science + Cognitive Science
- Coursework --> Data Structures in Java, Advanced Programming in C, Linear Algebra, Intro to Databases, Parallel Functional Programming, CS Theory, Intro to Cog Sci, Cog Neuroscience, Visual Neuroscience, Computational Genomics.
Experience
- Aug 2020 - Present
Software Developer, Researcher | Co-Founder
Ocular Diagnostics, Inc.
- Developed ML model with 86% AUROC to predict risk of ADHD using pupil-size variation over time-series—used Scikit-learn, NumPy.
- Implemented nested cross-validation, univariate feature selection, Fourier transforms, spectral analysis, velocity/acceleration analysis, SVMs.
- Engineered 783 pupillometric features; used nonparametric statistical tests + feature visualization. Developed Python package pupil-metrics.
- Developed C++ desktop GUI + low-cost VR headset that streams infrared USB cameras to AWS server for analysis + use in clinical trials.
- Founded startup backed by Soma Capital ($100K uncapped investment), $30K in grants. Published research in Nature Scientific Reports.
- June 2023 - Aug 2023
Software Engineer Intern
Helix (leading population genomics Series C startup)
- Building health chatbots.
- Sep 2022 - Dec 2022
Applied AI/ML Software Engineer Intern
Nokia Bell Labs
- Implemented post-processing logic of end-to-end ML workflow for dynamically sending data to IoT environmental sensors-used Python.
- Developed rule-engine controller to define post-processing rules + group controller to send data to sensors in groups—tested with Docker.
- May 2022 - Aug 2022
ML/Software Engineer Intern
Symbotic
- Developed partial K-Means clustering based method of surface normals for detection of planes from 3D pointclouds-used OpenCV, Open3D.
- Analyzed prior RANSAC-based algorithms for plane detection; parsed and extracted methods from prior developed code.
- 2020
Computer Vision + Deep Learning Intern
Icahn School of Medicine at Mount Sinai
- Finetuned ResNet network with mammographic images to predict breast cancer risk within 1, 1+, 3+ years with ~60% AUC--used PyTorch.
- Created saliency maps based on model outputs to model network intuition. Established proof-of-concept and basis for future research funding.
- 2019
Computer Vision + Deep Learning Intern
New York University - Video Lab
- Developed neural networks for auto-segmentation of body and brain ventricle (BV) from 3D mice ultrasound images—used PyTorch.
- Trained VNet CNN to create coarse segmentation map of body and BV; created additional VNet to refine coarse maps with 93% Dice metrics.
- Helped optimize inference time of prior state-of-the-art sliding window based pipelines by 1000x. Published method in IEEE as co-author.
Open Source Projects
- 2022-Present
pupil-metrics
- A small package for computing pupil-size metrics over a time-series.
Projects
- 2022
TrueDetect
- A Deep Learning-Based Fusion Framework for Detecting Fake News (Columbia Data Science Hackathon Fall ‘21)
- 2022
GRNPar
- Parallel Inference of Gene Regulatory Networks Using Boolean Networks and Information Theoretic Approach
Honors and Awards
- 2022
- 1st Place Award @ 2022 Columbia Undergrad Venture Competition ($15K grant)
- 2nd Place Award @ 2022 Columbia Venture's Technology Challenge ($15K grant)
- 2021
- Milton Fisher Scholarship for Innovation and Creativity
- 2020
- Published + Speaker @ 11th ACM International Conference on Bioinformatics, Computational Biology, and Health Informatics
- Published + Speaker @ IEEE/ITU International Conference on AI for Good
Technical Skills
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Langauges
- Python, C/C++, Java, HTML/CSS/JavaScript, Haskell, MySQL, MongoDB, Neo4j.
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Frameworks
- Scikit-Learn, Pandas, NumPy, TensorFlow, PyTorch, Keras, Flask, OpenCV, Open3D, GStreamer, Kafka, Docker, gRPC, RabbitMQ, InfluxDB.
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Platforms
- AWS Kinesis Video Streams/Lambda/EC2, Git.
Other Interests
- Hobbies: Tennis, theatre, singing, acting, playing guitar.