3+ years of experience as a researcher or engineer. Solid technical proficiency with programming skills. Ability to understand large and complex systems and architectures. Openness and willingness to experiment and learn new technologies. Independence and proactive attitude, ability to take initiative. Goal-oriented mindset and adaptability in a dynamic environment. Ability to work effectively with teammates and other teams. Clearly share knowledge and cooperate with external organizations (e.g., major browser vendors, W3C, GitHub discussions).