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Andrew Dai

Building pretty good big things. Advocate and ally for Diversity, Equity and Inclusion



Software Engineer, Data Platform San Francisco, California and Remote January 2018 - present
  • Spearheaded adoption of Golang and worked on modernizing legacy codebase via service and API-first approach

  • Owned and operated the central data store for Heap’s core functionality — a petabyte-scale PostgreSQL cluster

    • Improved reliability by >10x, query performance by >2x, and saved millions $/year

  • Led backend development of new analysis features, including Path Analysis

  • Established systems and processes for understanding and controlling AWS spend

  • Wore many other hats including blog post author, open source contributor, and DEI advocate. I've also onboarded my entire team, and interviewed ~90% of new grads in 2019 and most engineering management


Intern San Francisco, California and Remote Summer 2017, October 2017 - January 2018
  • Updated tools and utilities for host maintainence, application monitoring, and deployment configuration management

  • Created a health monitoring service used in critical infrastructure, reducing network load


Director, formerly Tech Team Georgia Tech, Atlanta, Georgia December 2015 - November 2017
  • Led a team of students which raised over $250,000 in sponsorship funding and organized events for over 1,000 students

  • Started a “learnathon” to address disparities in local CS education — 300+ high school students attended

  • Shifted outreach focus to under-represented minorities in STEM and created beginner-friendly environments

  • Doubled the size of the organization and increased the scope to better serve undergraduates at Georgia Tech

Applied Predictive Technologies

Intern Washington, D.C. Summer 2016
  • Migrated core SQL Server schema to increase extensibility while maintaining backwards compatibility

  • Created a new homepage for the core product to enable more complex analysis and increase feature adoption

InterSystems Corporation

Intern Cambridge, Massachusetts and Remote Summer 2015, September 2015 - March 2016
  • Designed and developed a full stack web application for bug and feature tracking using Angular.js and Caché ObjectScript


Georgia Institute of Technology

Atlanta, Georgia August 2014 - May 2018

Bachelors of Science in Computer Science with Highest Honors and a minor in Sociology

  • Research: Developed novel data visualizations at the Information Interfaces Lab under the direction of Dr. John Stasko

  • Involvement: Project Rise Up 4 CS (Developer) with Professor Barbara Ericson, Girls Who Code (Facilitator)

  • Awards: Faculty Honors (2 semesters), Dean’s List (6 semesters)