Key Responsibilities:

Optimize and improve a modular JS codebase.

Work with a cross-functional team of engineers.

Maintain, Improve and Optimize video Player JS plugins.

Using Javascript , create working prototypes for new concepts, ideas, or platforms we want to explore.

Optimize and add new features to our existing charmboard video player plugins. Skills & Requirements:

Strong knowledge of core/vanilla JavaScript (not just with JavaScript frameworks)

Expert proficiency in core Javascript.

Expert proficiency in Object Oriented Javascript.

Shipped products using Javascript.

A working knowledge of UI principles and user experience.

Commanding grasp of HTML, CSS, and related web technologies.

Awareness of cross-browser and cross-platform compatibility issues and client-side performance considerations.

Have experience with web best practices such as A/B testing, test coverage.

Write Javascript unit test cases and perform JS performance testing

Bonus Skills:

Video Player Plugin development in platforms like youtube,jwplayer..etc .

Knowledge in Progressive web app development.

Knowledge to create Web Components ( example : Shadow DOM).

Experience with unit testing frameworks like unitjs, jsunit..etc

Debugging and performance testing with the help of third party tools. Skills:- Javascript, HTML/CSS and Game Testing (QA)