API Developer
535 Labs - Danville, CA

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The Opportunity
We are seeking an API Developer to play a key role in designing and building next generation APIs for our customers. You should love developing clean, functional APIs that run on cutting edge platforms.

A great API is simple, predictable, and comfortable. The ideal candidate is passionate about code that is easy to read and fully testable. You take pride in your log messages, you think that performance should be measured in tens of milliseconds and it goes without saying that you think of security before anything else. Testing frameworks are as important to you as your IDE. You understand that an amazing API comes from 90% thinking, planning, and testing, and 10% coding.


Help customers develop new features and optimize existing ones for their APIs

Help customers develop their next generation APIs

Build integrations that scale

Work closely with product management, our engineering team and our clients

Rapidly fix bugs and solve problems

Proactively look for ways to meet customers’ current and future needs


Experience building RESTful APIs

Speaks JSON

Understanding of HTTP/HTTPS down to the IP header

Experience in one or more modern web app frameworks such as Symphony2 or Yii

Works with source control systems such as GIT or SVN

Excellent communication and organizational skills

The ability to balance multiple roles, tasks and projects effectively


Facebook, Twitter & other social media APIs

Experience with Amazon AWS

Scrum or other agile methodologies

This position requires that you be able to work remotely, and attend on-site meetings from time to time as needed.