Frontend Jobs at Five9

Role: Senior Software Engineer focusing on Frontend UI at Five9. Responsibilities include building and shipping features for the agent desktop using React + TypeScript, reviewing pull requests, mentoring engineers, and collaborating asynchronously across distributed teams. Requirements include strong React and TypeScript skills, testing experience, autonomous working ability, and good communication skills. Preferred qualifications involve experience with CCaaS, UI platforms, and web accessibility. The role requires working hours overlapping with Pacific time and being on call. Key stakeholders include service owners, technical leadership, engineering, network, customer service, and infosec teams. The position is on-site with some remote collaboration, and Five9 is committed to diversity and inclusion.