### **Job Title:** **Frontend Engineer** **Location:** Remote (Argentina or Brazil) **Employment Type:** Full time **Experience Level**: Sênior **Rate:** Basead on experience ### **Role Summary:** We are seeking a **Frontend Engineer** with significant experience building and scaling high\-traffic B2C applications (10M\+ daily active users). This is a high\-impact, technical role focused on enhancing the user experience on one of the most visited pages of a global platform. The ideal candidate has deep expertise in **React**, **TypeScript**, **A/B Testing**, and **GraphQL**, with a background in product engineering and a strong sense of ownership. ### **Key Responsibilities:** * Develop, test, and launch high\-quality frontend features for large\-scale consumer\-facing applications. * Collaborate with cross\-functional teams including product managers, designers, and backend engineers. * Take technical ownership of high\-traffic components, such as the Comments Page. * Review code, contribute to architectural discussions, and help establish development best practices. * Mentor junior engineers and support the growth of the engineering team. ### **Required Skills \& Experience:** * 10\+ years of hands\-on experience in frontend software development. * Proficiency in **JavaScript**, **TypeScript**, and modern frameworks like **React**, **Vue**, **Angular**, **LIT**, or **Polymer**. * Strong knowledge of **CSS**, responsive design, and UI performance optimization. * Experience with **GraphQL**, **REST APIs**, and scalable API design. * Understanding of distributed systems and large\-scale data handling. * Excellent collaboration and communication skills in a fully remote environment. * Bachelor's degree in Computer Science or equivalent practical experience. ### **Preferred Qualifications:** * Experience working on applications with over 10 million daily active users. * Familiarity with modern product engineering practices such as A/B testing and feature flagging. * Background working in large engineering teams and distributed system environments.