Напиши текст вакансии для должности "Senior Front-end developer". Название компании: "DigitalHR". Расположение: Москва. График работы: Удаленная работа. Опыт работы: От 3 до 6 лет. Ключевые навыки: 'TypeScript', 'JavaScript', 'React', 'CSS', 'HTML'

An open-source analytical API platform is looking for Senior Front-end developer. Audience: External engineers, Leadership team, Investors, Internal engineering team. Requirements:  Expert in CSS/HTML. Solid understanding of browser rendering. Expert in JavaScript. Experience in React and TypeScript. Experience in Webpack or Vite configuration. Experience in building complex single-page applications from scratch. Good communication skills. Fluent English. Previous startup experience or interest in working in a small, fast-moving company.  Bonus points:  Experience with contributing to or the maintenance of an open-source project. Experience in building UI Kit for any Design System. Experience with React Aria, React Stately, Web Components. Understanding frontend performance bottlenecks.  What company offer: This is a remote position. Any location is okay as long as we can expect you to be online till 1 pm PT. We can pay for your desk at the co-working space that you choose to work from. Down the road, we offer an optional relocation to our HQ in San Francisco, California, with visa (H1-B or O-1) sponsorship. Also, we offer stock options in our US company.