An AngularJS developer should have a strong foundation in:

JavaScript: A deep understanding of JavaScript syntax, concepts, and best practices.
HTML and CSS: Proficiency in HTML and CSS for creating web interfaces.
AngularJS framework: Solid knowledge of AngularJS components, directives, services, and modules.
Problem-solving: The ability to solve complex technical challenges and debug issues.
Communication: Effective communication skills to collaborate with team members and stakeholders.

Visit Imenso Software's page to learn more about their expertise.