What is the difference between React Js Tester vs Front-End Developer?

Career: React Js Tester

AspectReact Js TesterFront-End Developer
Primary RoleTesting React applications for bugs and performance issuesDeveloping and implementing user interface components
Skills RequiredKnowledge of React, testing frameworks, debuggingHTML, CSS, JavaScript, React, UI/UX design
Work EnvironmentTesting teams, QA departments, development teamsDevelopment teams, project managers, designers
CertificationsReact testing certifications, QA certificationsFront-End development certifications, React certifications

React Js Testers focus on ensuring React applications function correctly through testing and debugging, while Front-End Developers build and implement user interfaces. Both roles require knowledge of React, but testers emphasize quality assurance, whereas developers focus on creation and design.