Senior Front End Engineer

Engineering San Francisco, California Charlotte, North Carolina


ON24 is on a mission to transform the way businesses drive revenue and customer engagement through data-rich digital experiences. Powered by the ON24 Platform, marketers create and deliver live, always-on and personalized webinar, content and virtual event experiences to engage audiences in real-time, to generate powerful buying signals and to accelerate pipeline. With billions of engagement minutes created, ON24 is the network where enterprises engage prospects and customers at global scale. Headquartered in San Francisco, ON24 has a wide international footprint serving the regions of North America, EMEA and JPAC. For more information, visit

The Software Engineer will help design, develop, and maintain ON24’s web applications. The ideal candidate will have 3+ years of experience designing and developing high quality and standards-based web applications in HTML/Javascript/CSS. Candidates must thrive in a startup-like environment and possess maturity and business savvy. You will be part of a small but talented engineering team building next generation of Rich Media Experiences using J2EE and HTML and related standards.


  • Be a part of agile/scrum team for Virtual Show platform.
  • Develop next-gen HTML-based rich media and interactive Virtual Show web application.
  • Build web applications optimized for mobile and tablet devices using the new HTML5 and related standards (CSS3, SVG) using modern frameworks as VueJS framework.
  • Enhance scalability and reliability of existing applications
  • Provide troubleshooting and 2nd-tier support for existing applications

Required Skills:

  • 3+ years of JavaScript programming experience.
  • 3+ years of CSS (Knowledge of CSS3 a must)
  • 3+ years hands-on experience with NodeJS
  • Expert-level experience with AJAX & JSON.
  • Professional experience with webpack module bundler tool or similar.
  • Professional experience of using VueJS framework.
  • Understanding Front end design patterns and incorporating them in the codebase.
  • Working knowledge of new HTML5 technologies.
  • Past hands-on experience building web applications for mobile devices.
  • Discipline to document ideas and code in a clear, comprehensive and organized manner
  • Experience troubleshooting issues in production

Nice to Have:

  • Knowledge of NodeJS.
  • Experience with JQuery.
  • Experience with router pattern and state management pattern.
  • Write tests to drive your JavaScript development, using unit or functional test.
  • Understanding dependency/task managers (npm, yarn).
  • Experience with ES6.
  • Understanding code versioning tools, such as Git or Perforce
  • Understanding accessibility principles (WCAG)
  • Experience with SSR mode as Nuxt or similar
  • Experience with Typescript
  • Experience with other libraries/frameworks like React or Angular.
  • CSS pre-processors.
  • Experience optimizing code for site speed and performance.


  • Master’s degree in computer science or equivalent

ON24 is proud to be an equal employment opportunities (EEO) workplace to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, ON24 complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Pursuant to the San Francisco Fair Chance Ordinance, ON24 will consider for employment qualified applicants with arrest and conviction records.