Senior Applied Scientist, Machine Learning
Current
May 2021 - Present
AeroLeads people directory · profile
Justin Tse Email & Phone Number
Senior Applied Scientist, Machine Learning at Etsy
at
Etsy
1 work email found
@etsy.com
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Applied Scientist, Machine Learning at Etsy
Location
New York, United States
Who is Justin Tse? Overview
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Quick answer
Justin Tse is listed as Senior Applied Scientist, Machine Learning at Etsy at Etsy, based in New York, United States. AeroLeads shows a work email signal at etsy.com and a matched LinkedIn profile for Justin Tse.
Justin Tse previously worked as Senior Applied Scientist, Machine Learning at Etsy and Senior Data Scientist at Button. Justin Tse holds Master'S Degree, Statistics from Columbia University.
Company email context
Email format at Etsy
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{first_initial}{last}@etsy.com
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AeroLeads found 1 current-domain work email signal for Justin Tse. Compare company email patterns before reaching out.
Profile bio
About Justin Tse
Data Scientist based in New York City.
Listed skills include Statistics, Mathematics, C#, Latex, and 17 others.
Current workplace
Justin Tse's current company
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7 roles
Justin Tse work experience
A career timeline built from the work history available for this profile.
Senior Data Scientist
• Built and maintained a content based recommendation system for a series of banner advertisements that increased revenue per user by 27% and purchase rate by 23% over the previous implementation.• Worked on the design and implementation of an internal engineering platform that enabled deployment of Machine Learning models for online prediction.• Utilized Airflow, SQL, Python, JavaScript, and Golang to build out end to end ETL pipelines that transformed raw unstructured data for use in our analytics warehouses. This data was used to train machine learning models, power autonomous alerts, inform internal dashboards, and to perform ad-hoc analysis.• Conducted self-driven data research projects; findings were later incorporated into the product roadmap.• Responsible for onboarding new data team members on data infrastructure and the engineering stack.
Aug 2020 - Apr 2021
Data Scientist
• Handled the planning, setup, analysis, and automation of marketplace-wide A/B tests. Used insights from these experiments to help determine the development roadmap and product prioritization for mobile product teams.• Built and maintained a recommendation system based on probabilistic classification for a homepage banner that increased revenue by 101% for the banner placement and 30% for the program as a whole.
Aug 2018 - Aug 2020
Data Science Intern
Jun 2018 - Aug 2018
Research Assistant
Worked on analyzing the statistics of the longest paths in last passage percolation. Used probabilistic and geometric techniques to model the problem. Programmed simulations in SageMath and C# to explore our models and verify results. Supervised by Dr. Tom Alberts.
May 2016 - May 2017
Research Assistant
Analyzed inverse networks problems to expand the scope of information and knowledge that can be attained in situations of extremely sparse output data. Used MATLAB to model and visualize the effects of different stimuli on inverse networks. Supervised by Dr. Fernando Guevara Vasquez. Position held intermittently January to May, 2016 and January, 2017 to May 2017.
Jan 2016 - May 2017
Private Tutor
Tutored students in one on one sessions. My subjects were math classes at or below college level and a comprehensive preparation course for the ACT test.
Feb 2016 - May 2017
2 education records
Justin Tse education
Master'S Degree, Statistics
Columbia University
Honors Bachelors Of Science In Mathematics, Minor In Computer Science
University Of Utah
FAQ
Frequently asked questions about Justin Tse
Quick answers generated from the profile data available on this page.
What company does Justin Tse work for?
Justin Tse works for Etsy.
What is Justin Tse's role at Etsy?
Justin Tse is listed as Senior Applied Scientist, Machine Learning at Etsy at Etsy.
What is Justin Tse's email address?
AeroLeads has found 1 work email signal at @etsy.com for Justin Tse at Etsy.
Where is Justin Tse based?
Justin Tse is based in New York, United States while working with Etsy.
What companies has Justin Tse worked for?
Justin Tse has worked for Etsy, Button, University Of Utah, and High Performance Tutoring.
How can I contact Justin Tse?
You can use AeroLeads to view verified contact signals for Justin Tse at Etsy, including work email, phone, and LinkedIn data when available.
What schools did Justin Tse attend?
Justin Tse holds Master'S Degree, Statistics from Columbia University.
What skills is Justin Tse known for?
Justin Tse is listed with skills including Statistics, Mathematics, C#, Latex, Python, Computer Science, Machine Learning, and Data Analysis.
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