Mobile Messaging & Advertising Data Platform

LOCATION Mountain View, CA

COMPANY SIZE Less than 5

# OF ENGINEERS Less than 5




TAGS Mobile, Advertising Platforms, Consumer Engagement, YC Summer 2011

What do we do?

Our mission at OneSignal is to become the ubiquitous platform for all mobile and web notification messages that apps send to users, and we’re well on our way. Our easy-to-use developer SDKs empower developers and marketers to deliver effective push notifications to their users on all smartphone platforms.

Why join us?

1) Competitive salary, generous equity, health insurance, flexible hours, daily meals and snacks paid for by the company.
2) The chance to work in the former home of the Byte Shop, the first retailer of the Apple computer.
3) The opportunity to be on the founding team of an incredibly fast growing business backed by top investors including YC, SV Angel, Rakuten (Pinterest, Lyft), and Justin Kan.
4) To work on a product that’s used and loved by thousands of developers.

Technical challenges

1. Sending and monitoring tens of millions of notifications per day across multiple endpoints.
2. Providing an API that smoothly scales to support apps that hit the top 10.
3. Analyzing behavioral data across hundreds of millions of users.
4. Providing developer friendly dashboards, documentation, and APIs.

Our press coverage

Our Founders

George Deglin

Founder & CEO    

Previously the founder & CTO of Uversity, backed by Founders Fund & The Gates Foundation. Now the founder of OneSignal, backed by YC, SV Angel, and Rakuten. Studied Computer Science at UC Berkeley. Skilled founder, advisor, and developer.

Our tech stack

  • Ruby
  • PostgreSQL
  • Java
  • Go
  • Swift
  • Ruby on Rails
  • Redis
  • Objective C
  • Rails

Our investors

  • Rakuten
  • Y Combinator
  • Start Fund
  • SV Angel
  • Justin Kan
  • Zach Coelius
  • Tamares