JavaScript Ninja

For the project, for automated JavaScript code instrumentation and optimization we need a JavaScript ninja.

NB: there will be no hacking/cracking/outlaw tasks.

A. Strong knowledge of vanilla JS.

We are searching for creators, not script users.

jQuery skills aren't relevant.

B. Good reverse engineering skills.

Our task is not just about «dealing with legacy code».

It's about «reading obfuscated code with poker face».

NB: there will be no hacking/cracking/outlaw tasks. - again, for Freelancer's moderation team.

C. Mature debug skills.

We need a developer who knows how to use all useful debug techniques.

Not only «[url removed, login to view]()».

Also we happy to see:

D. Experience with popular adsystems.

E. Experience in dealing with adblock.

F. Experience in development of large JS applications.


G. We're ok with agencies, however, we will not issue any detailed specs. We will give a goal requirements, you will have to achieve goal on your own.

H. _Paid_ test task will be required to start working.

To filter out cover-letter spammers, please explain in few words, or in few lines of code what is difference between jsonp and xhr.

Taidot: AJAX, Javascript

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About the Employer:
( 19 reviews ) Kazan, Russian Federation

Projektin tunnus: #13166113