Senior JavaScript Engineer

Engineering • Full-time in Tel Aviv


Kueez, one of the leading content distribution companies in the world, excels in delivering tailored content to hundreds of millions of users worldwide with the help of our powerful in-house platform. We offer plenty of room for learning and career growth, all while working with some of the best people and companies in the industry.

We're looking for a  super talented and experienced JavaScript Engineer - is it you?

The ideal candidate would be responsible for designing, developing 

building and maintaining our next-gen web products line. 

You will be designing and developing multiple flagship products, that are deployed on thousands of websites, with millions of active users at any given time.

R&D philosophy:

  • Move fast and don’t (!) break things 😉
  • Everything is AB testable and reversible.
  • Build for high performance and low maintenance.


  • 5+ Years experience as a Web developer.
  • Strong experience with JavaScript.
  • Expertise with: async Javascript programming, the Event Loop, debugging best practices, Chrome DevTools, performance best practices.
  • Ability to integrate ad tech solutions with existing web architectures and manage cross-browser and cross-platform compatibility issues.
  • Excellent problem-solving and analytical skills.
  • Strong communication and collaboration skills and Ability to work independently and as part of a team.
  • Keen eye for detail and a passion for user-friendly experiences.
  • Experience with version control systems (like Git) and CI/CD.


  • Understanding of programmatic advertising, real-time bidding (RTB), and header bidding techniques.
  • Experience with ad serving technologies and online standards (e.g. GAM, Prebid.js, A9, GDPR, CCPA/CRPA).
  • Experience with front-end frameworks such as React or Vue.js.
  • Experience working in a big-data environment and/or A/B testing concepts
  • Experience with back-end technologies such as Node.JS PHP Java or Python designing and building RESTful APIs.

What’s the day-to-day like?

  • Be part of an awesome team!
  • Translate business requirements into clean, maintainable, and reusable production code.
  • Stay up to date with the latest browser APIs, solve complex online UX dilemmas, do performance optimizations and A/B testing at scale, and much more.
  • Optimize for compilation and runtime performance, obfuscation, responsiveness and browser compatibility and serving costs.
  • Ensure accessibility and compatibility across different browsers.