Chet Aldrich

Staff Software Engineer at Root Inc.
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Contact Information
us****@****om
(386) 825-5501
Location
Middlebury, Vermont, United States, US

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Experience

    • United States
    • Insurance
    • 500 - 600 Employee
    • Staff Software Engineer
      • Nov 2022 - Present

      Remote

    • Senior Software Engineer
      • Oct 2021 - Nov 2022

      Remote

    • United States
    • Software Development
    • 700 & Above Employee
    • Software Development Engineer
      • Apr 2020 - Aug 2021

      Remote

    • United States
    • Technology, Information and Internet
    • 700 & Above Employee
    • Senior Software Engineer
      • Sep 2019 - Apr 2020

      Maintain core libraries and infrastructure that power the data processing needs for multiple teams at Postmates, including Buyer, Data Infrastructure, Places, Customer Service Technology, and more. This includes infrastructure that powers search in all its forms (including for internal use cases), the feed and its various recommendation systems and strategies, customer profiling, and the Google Search and Maps integrations, among others.

    • Software Engineer II
      • Feb 2018 - Sep 2019

      San Francisco Bay Area Built out the inventory and place catalog integrations with Google that let you order Postmates through various Google services, including Search, Maps, and the Google Assistant. Took the lead on search quality and built out better mechanisms for experimentation. In the process, built out some new search features, one of which increased conversion by 1.2% from query to successful delivery. Another decreased drop-off distances across the entire platform via some demand-shaping… Show more Built out the inventory and place catalog integrations with Google that let you order Postmates through various Google services, including Search, Maps, and the Google Assistant. Took the lead on search quality and built out better mechanisms for experimentation. In the process, built out some new search features, one of which increased conversion by 1.2% from query to successful delivery. Another decreased drop-off distances across the entire platform via some demand-shaping optimizations.

    • Software Engineer
      • Sep 2017 - Feb 2018

      San Francisco Bay Area Built the current version of search at Postmates from the ground up. This includes features such as search over places, searching within a menu, searching for items around you from various merchants, and several internal use cases. This system was built using Apache Beam's Java SDK for index creation and Go for the API frontend. Built a substantial portion of the data infrastructure powering the current iteration on the Postmates feed, which led to significant bumps to major metrics… Show more Built the current version of search at Postmates from the ground up. This includes features such as search over places, searching within a menu, searching for items around you from various merchants, and several internal use cases. This system was built using Apache Beam's Java SDK for index creation and Go for the API frontend. Built a substantial portion of the data infrastructure powering the current iteration on the Postmates feed, which led to significant bumps to major metrics, including a roughly 1-2% increase in deliveries, 2% increase in first time jobs, and a reduction in average drop off distance across all deliveries.

    • United States
    • Software Development
    • 700 & Above Employee
    • Software Engineer
      • Aug 2016 - Aug 2017

      San Francisco Bay Area Optimized a MapReduce pipeline within Google Cloud Dataproc to estimate reach and frequency for ad campaigns leading to a 37 percent decrease in runtime for the average forecast. Built internal automated email reporting jobs with Scala and Hive to identify trending artist messages and featured tracks for the Music Makers team. Discovered the reason an analytics job was causing batch processors to crash in production and remedied the issue by reducing its memory footprint by… Show more Optimized a MapReduce pipeline within Google Cloud Dataproc to estimate reach and frequency for ad campaigns leading to a 37 percent decrease in runtime for the average forecast. Built internal automated email reporting jobs with Scala and Hive to identify trending artist messages and featured tracks for the Music Makers team. Discovered the reason an analytics job was causing batch processors to crash in production and remedied the issue by reducing its memory footprint by roughly 30 percent. Show less

    • United States
    • Software Development
    • 700 & Above Employee
    • Software Engineer Intern
      • Jun 2015 - Aug 2015

      San Francisco Bay Area Worked with the Music Industry team at Pandora which builds the Artist Marketing Platform, a place where artists gain insights and market themselves using Pandora. Created a location aware set builder for artists to identify regional variation of tastes for their music, using interactive maps to show relative popularity of songs.

    • United States
    • Higher Education
    • 700 & Above Employee
    • TA and Grader: Computer Science
      • Mar 2015 - Jun 2015

      Northfield, Minnesota Graded CS 111 (Introduction to Computer Science) for two sections during Spring 2015. Was TA for CS 111 Fall 2015. Graded for CS 257 (Software Design) for two sections Winter and Spring 2016.

Education

  • Carleton College
    Bachelor of Arts with Distinction, Computer Science
    2012 - 2016

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