We are seeking a Senior Frontend Engineer with expertise in ReactJS to develop and maintain our user interfaces. The ideal candidate will have a strong understanding of modern frontend technologies and a passion for creating engaging user experiences.

Key Responsibilities:
* Develop and maintain user interfaces using ReactJS.
* Write clean, efficient, and well-documented code.
* Collaborate with designers and backend developers.
* Optimize frontend performance.
* Participate in code reviews.

Required Skills:
* Proficiency in ReactJS.
* Strong understanding of HTML, CSS, and JavaScript.
* Experience with responsive design.
* Experience with testing frameworks.