Julian Pulgarín
Education
Work Experience
October 2024 ⇒ Present
Mechanical Orchard
Staff Software Engineer - Medellín, Antioquia
- Using generative AI to modernize mainframe software
- Small California startup pioneering the use of data capture and verification techniques
May 2021 ⇒ August 2024
Cash App
Senior Software Engineer - Salt Lake City, Utah
- First engineer on the Bank Rails team responsible for maintaining and building out new payment rails
- Helped design and build the platform-side of accepting wire transfers to fund one's Cash App balance
- Sole engineer responsible for design and implementation of service serving all Cash App ACH transfers
- Sole engineer responsible for backend upgrade to Plaid OAuth
February 2014 ⇒ December 2018
Suitable Technologies
Software Engineer - Medellín, Antioquia
- Worked remotely as a backend engineer using Python and Django to improve the infrastructure that oversees a fleet of thousands of telepresence robots and users
- Created a 'linking' flow allowing users to claim devices after buying from a third-party reseller
- Designed and implemented the ability for users to reserve devices at specific times; created a CalDAV server and an Office 365 application so that users can manage reservations using their own calendar
- Implemented and managed the translation infrastructure on our frontend and backend applications
May 2013 ⇒ December 2013
Google
Software Engineering Intern - New York, New York
- Refactored collaboration-related functionality from Google Docs and Google Slides to share a common implementation
- Designed and implemented real-time collaborator text cursors in Google Slides
- Was extended a full-time employment offer at the end of the internship
August 2011 ⇒ December 2011
Khan Academy
Software Engineering Intern - Mountain View, California
- Created new exercises, including the first Khan Academy perceptual learning exercises
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Made general improvements to the exercise framework
- Proposed and created sandcastle, a tool (formerly) used at Khan Academy to test GitHub pull requests from the browser
- Developed Gandalf, a gradual rollout tool for GAE used at Khan Academy to release features to specific subsets of users
August 2010 ⇒ December 2010
Facebook
Software Engineering Intern - Palo Alto, California
- Developed a commonly used internal tool to stop changes to Facebook's configuration during critical times
- Reimplemented an internal page used by all engineers to facilitate release management and deployment
- Implemented "Likes" area in the new version of Facebook Pages
January 2010 ⇒ May 2010
Arista Networks
Software Engineering Intern - Menlo Park, California
- Modified logging and fan functionality on the switch using C++, Python, and custom frameworks
- Ported web-based manufacturing administration system to Django which is successfully in use on manufacturing floor
- Set up MySQL master-slave replication for manufacturing database; documented failover plan
Independent Development
Effortless
- Used Swift to create a Mac app that helps you focus on one thing at a time by displaying your current task on the menu bar
- It was the #1 product of the day on Product Hunt on April 2, 2018
- A Django application allowing easy implementation of APIs that use token-based authentication
Activities and Interests