RESUME
Professional
info
Open-minded data scientist with strong quantitive and programming background, always curious, always passionate. Very familiar with internals of Apache ORC and Arrow. Open source developer for Apache Arrow and SQLFluff. Some experience developing Android apps and web apps.
Skills
Work
experience
Senior Data Scientist
Lowe's
Feb 2021 -
Work on multiple data science projects simultaneously
Deploy apps into production
Coach less experienced team members
Gave numerous internal talks
Data Scientist
Lowe's
Sep 2019 - Feb 2021
Work on data science projects at Lowe's
Write and edit utility scripts in Python and Bash
Got one app productionized
Instructor
Brandeis University
Aug 2016 - Dec 2018
Taught five courses as well as a five-day minicourse in a bootcamp for new grad students on topics such as category theory
Wrote a Python script, Calculus-chan (https://github.com/iajoiner/calculus-chan) to send personalized emails to students
Teaching Assistant
Brandeis University
Sep 2013 - May 2019
Wrote a Jupyter notebook, Solving Linear Systems (https://nbviewer.jupyter.org/github/iajoiner/linear_algebra_demos/blob/master/01-LinearSystems/Solving%20linear%20systems.ipynb) to teach linear algebra students how to solve linear systems using SymPy
Wrote a JavaScript script, mathchan (https://github.com/iajoiner/mathchan), to download homework emailed by students and store them in the right folders. Images in a single email were converted to a single PDF
Tutor
Sep 2013 - Dec 2014
Coached undergrads who needed help with precalculus and calculus
Python packages: Cython, numpy, scipy, pandas, matplotlib, seaborn, scikit-learn, requests, BeautifulSoup, Selenium, folium, tensorflow, keras, librosa, hyperopt
Frameworks: FastAPI & Flask
Others: Data Cleaning, Machine Learning, Apache Spark, Android Development, Microsoft Excel, Microsoft Word, Microsoft Powerpoint, Research, MongoDB
Languages
Python, SQL, R, Java, JavaScript, C, C++, Scala, Kotlin, TeX, Matlab, HTML
Education
Brandeis University
Ph.D. in Mathematics
2013 - 2019
Worked on Four Problems Related to Maximal Green Sequences
Developed the C program MatrixMutationApp and forked the C++ program qme-ng for the research
Put three papers on arXiv and earned the Jerome Levine Thesis Prize (https://www.brandeis.edu/mathematics/people/levine-jerome/prize.html) for writing the best math Ph.D. dissertation in 2019
Put three papers on arXiv (link, link and link)
Won the Jerome Levine Thesis Prize for the best Ph.D. thesis in math
Fudan University
B.S. in Mathematics and Applied Mathematics
2009 - 2013
Took Real Analysis, Complex Analysis, Probability and Functional Analysis
Coursera
IBM Data Science Professional Certificate
Completed 9 courses in data science and did a capstone project on where to open an animal shelter in Toronto.