At Close.io we’re building the sales communication platform of the future. We’ve built a next-generation CRM that eliminates manual data entry and helps sales teams close more deals. We are hiring engineers to help us unify the world's sales calls and emails into one beautiful workflow.

Our tech stack includes Python/Flask, Elasticsearch, MongoDB, PostgreSQL, Redis, Puppet, & AWS with the frontend as a single-page web app in JavaScript, Backbone.js, HTML5, & CSS/LESS.