Paul Julius Martinez

Work Experience

• Helping build Jane Street's single-dealer platform and wholesaling client offerings

• Prototyped and implemented dozens of features while finding product-market fit
• Built a multi-threaded service in Rust capable of efficiently validating data in spreadsheets with tens of millions of cells in real-time.

• Added support for Postgres logical replication features (pglogical and wal2json extensions, native logical replication) to Cloud SQL’s Postgres offering
• Submitted patch to Postgres adding functionality to referential integrity triggers for composite foreign keys

• Fully implemented dozens of features in Ruby and TypeScript with React
• Built critical infrastructure including internal Admin site and feature gating framework
• Scaled Postgres database from <50GB to several terabytes
• Managed production Kubernetes cluster, AWS infrastructure resources, and deploy process
• Rewrote entire authentication and user account infrastructure, making it significantly easier to debug login issues and simplifying development of critical strategic projects

• Dropbox; Summer 2015: Built auto-completion engine for HiveQL (a SQL dialect) in Java
• JuiceBox Games; Summer 2014: Built features for an iOS/Android game in C# using Unity
• Google; Summer 2013: Worked on internal dashboard for monitoring datacenters in JavaScript with the Closure Compiler

Independent Projects

• Created a website dedicated to providing the fastest and most streamlined experience for following live sports, especially in resource-constrained environments
• Frontpage of Hacker News on March 21, 2022

• Creator and maintainer of jless, a command line JSON viewer written in Rust
• 4k stars on GitHub
• Frontpage of Hacker News on February 11, 2022

Education

• Master of Science in Computer Science (Artificial Intelligence)
  • Course Assistant for CS 109: Introduction to Probability for Computer Scientists, CS 221: Artificial Intelligence: Principles and Techniques, and CS 143: Compilers
• Bachelor of Science in Mathematics and Computer Science (Systems), with Distinction
  • Section Leader for CS 106A