Close.io

Inside Sales Platform. Helps sales people close more deals.

HEADQUARTER San Francisco, CA

COMPANY SIZE Between 10 and 25

# OF ENGINEERS Between 5 and 10

FUNDING Private

TAGS SaaS, Sales and Marketing, CRM, Sales Automation, Sales, Communications Software, B2B, YC Winter 2011

EXTENDED EXERCISE WINDOW? No

What do we do?

Close.io allows startups to close more deals and make more sales. It's a sales platform with fully integrated VoIP calling and two-way email communication that syncs with your existing mailbox. Salespeople can spend more time communicating with their customers and less time on data entry because all activities are automatically tracked.

Technical challenges

Data
* Versioning of all objects

Search
* Real-time indexing pipeline
* Homegrown search DSL used by customers
* Personalized search query recommendations

Reporting
* Graph anything over anything
* Aggregate gigabytes of data in milliseconds

Telecom
* Predictive dialers
* Speaker diarization and transcription
* Global, distributed telecom statistics monitoring

Why join us?

1) Profit is the best form of capital to raise.

2) Remote and travel friendly. Want to work from Berlin or Singapore or Bali or a month? Go for it!

3) We value elegant, novel approaches to all problems whether it's how to present customers with a mobile experience without being a standalone app on their homescreen to finding RFC-compliant hacks to uniquely identify and track emails opens and clicks per user.

Our press coverage

https://pando.com/2013/06/26/close-io-adds-smartsearch-data-analytics-so-simple-a-salesperson-can-do-it/
https://pando.com/2013/01/29/elastic-launches-close-io-sales-software-designed-by-salespeople/

Our Founders

Steli Efti

CEO & Sales Guy

Anthony Nemitz

COO & Product Guy    

x-eBay #rakish #sartorial

Thomas Steinacher

CTO  

Our tech stack

  • Python
  • jQuery
  • Flask
  • OSX
  • Redis
  • sip
  • MySQL
  • Amazon AWS
  • Elasticsearch
  • Objective C
  • MongoDB
  • Messaging
  • Javascript
  • pjsip
  • qt
  • backbone.js
  • PostgreSQL