Browser Extension Developer

Hong Kong

We’re looking for a Browser Extension Developer

We’re looking for an expert browser extension developer to join our team building both native apps as well as extensions for various browsers. You will be one of the key developers to bring it to life the next generation of our browser extension products for Chrome, Safari, Firefox, and Edge.


Your exact responsibilities will depend on your skills and interests, but here are some examples:

  • Implement new features with superb code quality and high levels of automated test coverage. You’ll focus on Browser extensions and Javascript but ideally will be involved in other languages and platforms as well. We use Go for code that’s shared across platforms.
  • Work closely with the rest of the team to define the product vision, review specs, and make architecture decisions.
  • Write specs for highly technical features. All your requirements must be tested automatically. Manual QA is only involved in running UI look-and-feel tests that are not practical to automate.
  • All your builds are created automatically by our Continuous Integration system.
  • You will join a team working with 2-week sprints, Jira, branch-based development, participate to code reviews before any code is merged to master.

Required skills and experience

  • Expert in creating browser extensions for Chrome or other browsers
  • Expert in Javascript/HTML/CSS
  • Expert in at least one unit and integration testing framework. We’ll need you to test all requirements automatically. This is very important to us. Please only bid for this project if you consider yourself proficient with automated testing of browser extensions.
  • Expert in at least one Javascript build tools (gulp, webpack or Browserify).
  • Experience in Vue.js is preferred
  • Good knowledge in Javascript design patterns and coding standards


  • Attractive compensation and benefits
  • Flexible working hours and a healthy work-life balance
  • Work in a challenging, collaborative, and fun environment
  • Based in Wan Chai

At Chengbao, we’re leading the way to a more private and secure digital world. Consumers in over 180 countries around the globe rely on our industry-leading cybersecurity software and services.

We are an international tech company with a team of 500+ worldwide and a core team of 90 based in Hong Kong. We’re profitable, growing, and just getting started.

We hire world-class developers, product managers, and marketers in the industry, and give them the tools to succeed. Together, we ship beautiful, usable software for desktop and mobile that our customers use and love every day.

Ready to do the best work of your life? We’ve built just the place.