Web push notifications. Re-engagement for websites.

LOCATION New York City, NY

COMPANY SIZE Between 5 and 10

# OF ENGINEERS Less than 5




TAGS Communications Software, Analytics, Machine Learning, NodeJS, Java, Elixir, YC Summer 2014

What do we do?

Roost provides a web push notification platform to enterprise businesses. Leveraging the new service worker API, we wrap the complexities of GCM/APNS/ServiceWorker push notification in an attractive dashboard and REST API, and provide the infrastructure necessary for large-scale sending.

Why join us?

1) Founder has considerable experience building and growing B2B businesses and agencies.

2) Bleeding-edge technologies and influence on the future of a developing browser spec.

3) Opportunity to grow skills in line with a growing company.

Technical challenges

1) Large-scale SQS processing queue stability (processing hundreds of thousands of incoming messages in a way that isolates failures and provides consistent uptime)

2) Technical debt (large amount of legacy codebase written in Java)

3) Analyzing the massive quantities of incoming user data and transforming it into meaningful insight.

Our press coverage

Our Founders

Tim Varner


Tim Varner is a veteran of multiple industries, including sports journalism and advertising. His passion for informed statistics and marketing have seen Roost grow astronomically in past months, and he looks eagerly ahead to the future.

Our tech stack

  • NodeJS
  • Ember.js
  • MongoDB
  • Java
  • Javascript
  • Elixir

Our investors

  • KBS Ventures
  • Rocket Ventures
  • Scott Heller
  • Stephen Roulac
  • Y Combinator