John Gibb, Senior Software Engineer in New York, NY

Experience

Deliveroo

July 2017—Present

Engineering Manager (previously Senior Software Engineer)

New York, NY
Maple

Sept 2014—May 2017
Senior Software Engineer

New York, NY

Go, Swift, MongoDB, JavaScript (including React & Mithril)
- One of three founding engineers to build all of Maple’s tech product at launch: API, Consumer iOS App, Consumer Website, Delivery Person Android App, Internal CMS
- Built the entirety of the Maple iOS app (video demo)
- Built the majority of the Android Delivery Person app
- Built several major features on the consumer web site in React
Relationship Science

Aug 2011—Sept 2014
Senior Software Engineer

New York, NY

C#, Microsoft SQL Server, Powershell, Objective-C, JavaScript
- Introduced git, continuous integration tests, and automated deploys (via TeamCity)
- Built entire front-end of www.relsci.com with a 4 person team, focusing on Path Finder
- Built Path Finder functionality into iPad app (including a supporting web service)
- Developed news alert system which emails news relevant to a user’s contacts every day; sends around 6k emails a day with a 30% open rate
Capital IQ

Jul 2007—Dec 2010
Software Engineer

New York, NY

C#, Microsoft SQL Server
- Developed distributed C# calculation engine (replacing an all-SQL implementation) to calculate long-term daily weights and returns for portfolio attribution product; reduced calculation time from over an hour to less than 5 minutes for a large index fund, calculated daily, for a 10 year period. Returned data via Protocol Buffers
- Developed a portfolio uploader tool that allowed user to bulk import their portfolio holdings by either uploading a spreadsheet, a CSV, or copy and pasting tabular data from any source. The tool would then match ticker symbols, allow user to preview import and fix any mistakes, and ingest their data into our application
- Redesigned portfolio report data model to decrease loading time of viewing a report from several minutes to under 5 seconds

John Gibb

Experience

Education