Eli Finkelshteyn

Advisor

Extruct AI

Sep 2024 - Current (1 year 9 months)

Advisor

Mu Ventures

Dec 2022 - Current (3 years 6 months)

Mu is an early stage venture capital firm investing in the future of commerce.

Founder and CEO

Constructor

Jan 2015 - Current (11 years 5 months)

Constructor is a search and discovery platform that helps enterprise e-commerce companies improve their search, navigation, recommendations, and quizzes experiences and conversion rates. Founded by engineers with years of experience in high-growth, high-traffic sites, we strive to deliver the best search and discovery experience available anywhere.

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Data Science Engineer

Eli Does Data

Jan 2014 - Nov 2014 (11 months)

Ran a data science consulting firm working with enterprise companies on both coasts of the US. Specialized in machine learning (especially within search), data collection, and warehousing.

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Lead Data Scientist

The BackPlane Inc

Aug 2012 - Jan 2014 (1 year 6 months)

Backplane was a startup started by Lady Gaga and backed by Sequoia, Greylock, and Founders Fund. It ultimately didn't work out, but getting to lead data science there was a lot of fun. - Led interviewing and built and managed a team of machine learning engineers - Evaluated all associated technologies and coded entire logging system and flow used throughout all of Backplane - Built entire backend portion of our Internal Analytics Portal and led development of associated frontend and visualizations - Created and wrote all backend and machine learning code for Backplane’s personalized feed, which performed 30%+ better than original hot feed in all relevant A/B test statistics. - Built framework for interfacing between Elastic Map Reduce an

Software Engineer, Data Science

Shutterstock

Oct 2011 - Aug 2012 (11 months)

-Built an implementation of fuzzy autocomplete that increased our E-commerce conversion rate 9.8% in A/B tests. -Implemented improvements to multilingual search that decreased 0 search result pages 20-50% per language in all supported languages. -Helped build out recommendation systems for photos and keywords.

Data Engineer

Tumblr

Aug 2011 - Oct 2011 (3 months)

-Worked on spam and phishing detection system using Python and NLTK, along with Hadoop and PIG for data processing.

Software Engineer, Natural Language Processing

FactSet

Jul 2010 - Aug 2011 (1 year 2 months)

-Worked on information extraction and classification for financial data using Perl, SQL, and MALLET -Improved author classification in analyst reports to increase tagging f-score from .78 to .96 and prevent timeouts -Built a title classification system from scratch to tag titles in financial legal documents using Perl along with MALLET classifiers.

Teaching Assistant in Econometrics

Brandeis University

Jan 2009 - May 2009 (5 months)

-Teaching Assistant for upper level Econometrics class (undergraduate and graduate students) -Explained concepts in Econometrics to students during office hours -Graded tests and homework for 30 students per semester

Latin Group Study Leader

Brandeis University

Apr 2008 - Dec 2008 (9 months)

-Selected to tutor Latin Students in all Brandeis Latin courses -Tutored students on declension, conjugation, and reading comprehension in Latin

Teaching Assistant in Computer Science

Brandeis University

Jan 2007 - May 2008 (1 year 5 months)

-Teaching Assistant two semesters in a row -Explained concepts in data structures to students during office hours -Graded tests and homework for 30 students per semester

Lead Web Developer / IT - CMJS

Brandeis University

Sep 2006 - Jun 2010 (3 years 10 months)

-Main software engineer and tech support for the organization starting sophomore year of college. -Optimized registration website that would fail every year due to technical limitations to increase capacity from 300 concurrent users to 3000 using just two servers the company was willing to provide. -Managed biannual registration (10,000+ resource-intensive registrants in the first hour of Open Registration on just two servers back in 2008) -Created and managed a database synchronization system -Added user-requested functionality to administration website -Created and deployed new layout and functionality for various organization websites -Maintained and upgraded computers across the center’s network

Web Designer

Brandeis University

Sep 2005 - May 2007 (1 year 9 months)

-Improvements to forums and club pages on my.brandeis.edu using TCL, SQL, HTML, and CSS -Standardization of page design for departments at Brandeis -Work with faculty members at Brandeis.edu toward improving page designs.

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