We're looking for experienced engineers to join our fast moving team. We work on a range of interesting and challenging problems, from supporting thousands of concurrent shoppers and processing millions of data points in real time, to determining the best route for deliveries and predicting store inventory levels. We love full-stack engineers, not only capable of building a solution but owning the problem end to end. There is a tremendous amount of opportunity in front of us, and joining now gives you a chance to grow your career and interests as we succeed. Responsibilities: You will be part of a small team, with a large amount of ownership and responsibility for managing things directly. You will ship high-quality solutions with a sense of urgency and speed. You will work closely with product managers, other teams, and both internal and external stakeholders, owning a large part of the process from problem understanding to shipping the solution. You will have the freedom to suggest and drive organization-wide initiatives. Requirements: Bachelor’s degree in Computer Science, computer engineering, electrical engineering or equivalent work experience Self-motivation and an enjoyment for a startup environment A blend of product, system, and people knowledge that lets you jump into a fast paced environment and contribute from day one Strong knowledge of common Web technology such as Ruby on Rails and/or Python and/or JavaScript frameworks (React, AngularJS, Ember or Backbone.js) An ability to balance a sense of urgency with shipping high quality and pragmatic solutions Extensive experience working with a large codebase and cross-functional teams A strong sense of ownership Desirable: Interest or experience in distributed systems Strong ability to analyze data Experience with AI / machine learning / data modeling iOS / Android experience