Front End Engineer (Extensions)


Job Location: Venice, CA

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System1 is looking for a creative and talented engineer. This role requires a strong background in front-end technologies, as well as a familiarity with Python-based web technologies, eg. flask. In this role, your contributions will be extremely visible and have a direct impact on a growing user base. We constantly strive for experimentation with and optimization of all our user interfaces. We actively learn what designs are most effective via extensive A/B testing. Our design life-cycle is consistently driven by quantitative data analysis in order to measure and maximize user impact.  You will utilize core software development skills to create user-facing applications and tools that will assist partners in optimizing their use of our innovative analytics platform.


  • Responsible for delivering high quality features on new and existing extensions using HTML, CSS, and JavaScript (Node.js, React, and vanilla)
  • Convert design specifications into clean and easy-to-maintain responsive web pages
  • Assist in documenting, debugging, evaluating, and unit testing projects
  • Participate in code reviews and design discussions
  • Collaborate and communicate effectively, working in a team environment with other experienced engineers
  • Find solutions for cross-browser issues in both HTML/CSS and JavaScript
  • Implement A/B tests


  • 5+ years of professional web development experience required
  • 1+ year of experience developing browser-based extensions required
  • Experience in HTML, CSS, and vanilla JavaScript, cross-browser compatible and mobile-friendly environments
  • Strong JavaScript skills and/or demonstrated experience developing complex widgets and/or applications with JavaScript
  • Expert level understanding of CSS and preprocessors (Less, Sass)
  • Excellent communication and time management skills
  • Ability to adapt and integrate quickly into a fast-paced environment


  • Free Uber/Lyft to and from work every day!
  • Collegial and collaborative team with highly intelligent and motivated coworkers
  • Cross-team lunches and demos to foster learning
  • Unlimited Paid Sick Time, Competitive PTO and Benefits package
  • Catered meals and fully stocked kitchen
  • Weekly happy hour at various bars, restaurants, and venues across Los Angeles
  • Weekly fitness class with private trainer: high intensity training, yoga, beach volleyball, beach soccer, ultimate frisbee
  • Competitive Relocation Package
  • Company parties and outings: Skyzone indoor skydiving, Medieval Times, Karaoke, etc.
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