Browse Jobs

Connecting you with the best creative freelance and contract-to-hire roles is our job. Let us help you find yours! Need help with roles? Check out our job descriptions



Senior Web Developer


Mar 08, 2018

San Francisco, CA


Agent: Ilana B.

Job #: 129891

Job Description

Location: Near Mission bay

Opportunity: 6-9 Month Contract, Onsite, 40 hours a week

Pay: Hourly

Start: ASAP 

Use your extensive knowledge of JavaScript, HTML, and CSS to improve our website and clients, a complex in-browser application relied upon by millions of users every day. You will work with real-time data streams, engineer for performance across browsers, and delight people by making the best software you can imagine. You will collaborate closely with Product, Marketing, Design, Application Engineering, and QA to spec, build, test and deploy new features.



  • 5+ years of experience writing client-side JavaScript
  • Expertise in building complex, responsive layouts with CSS and HTML
  • Experience building and debugging complex systems in a team environment
  • Experience with modern browser technologies
  • Strong UX and design sensibilities, and a desire to sweat the small stuff
  • Strong communication skills, a positive attitude, and empathy
  • Bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience.


Bonus Points:

  • Experience with jQuery, Handlebars, Smarty or LESS
  • Experience investigating and improving JavaScript performance
  • Experience designing web sites or applications
  • Experience with Google Analytics, site analytics, A/B experiments
  • Experience with CSS animations and/or Web Animations API
  • Experience building performant and accessible websites
  • Experience with WebSockets, Local Storage, or ES6




******Applications without a resume and portfolio will not be considered. 

****Must be eligible to work in the US

***Must comply with a Background check

Want more details about this and other San Francisco, CA opportunities? Meet Ilana Black!

Senior Web Developer - Questions