A versed engineer and perfectionist with good taste, ready to take ownership of entire features.

What you'll do:

•  Create new and improve existing features that keep our growing millions of users doing amazing things with their blogs
• Write snappy code, from flexible JavaScript libraries to concise, reusable PHP models
• Work with the latest open-source projects for extreme scale and a few of our own
• Collaborate with an extraordinarily small and talented team of designers and backend engineers

What we’re looking for:

• A passion for beautiful, pragmatic code paired with a strong sense of product design
• Experience with sites that rely on architecture beyond the basic LAMP stack
• Demonstrated work beyond the frontend and ability to integrate with a wide array of backend technologies and services
• A deep understanding of Tumblr’s features
• Smarts, humility, and equal willingness to learn and teach

Tools we like:

• PHP5
• MySQL taken to its furthest extent
• Prototype and jQuery (along with hand-crafted JS)
• Varnish and memcached
• Asynchronous requests and queues (frontend and backend)
• Ruby
• git and GitHub