Job Summary: Participation in a strategic project for modernization and migration of legacy systems, focusing on user experience and scalability in a cloud environment. Key Highlights: 1. Strategic involvement in modernization and migration of legacy systems 2. Focus on enhancing user experience and scalability 3. Collaboration with multidisciplinary teams during technological transition **We are looking for someone who dares to co-lead this journey with us.** **Responsibilities and Duties:** Participation in a strategic project for modernization and migration of legacy systems, focusing on improving user experience, application scalability, and maintaining a Microsoft Azure cloud environment. The professional will collaborate with multidisciplinary teams, supporting the technological transition in a structured and sustainable manner. **Requirements and Qualifications:** * Solid experience as a Senior Front-End Developer. Proficiency in React (Hooks, Context API, state management). * Experience with JavaScript (ES6+) / TypeScript. * Knowledge of HTML5, CSS3, responsiveness, and UX/UI best practices. * Experience consuming REST APIs. * Experience with Azure DevOps, Git version control, and CI/CD pipelines. * Experience in legacy system migration or modernization projects. **Desirable:** * Experience with Micro Frontends. * Knowledge of front-end testing (Jest, Testing Library, Cypress). * Experience in large-scale corporate environments. * Knowledge of web application security and performance. * Prior experience in cloud projects (Azure) **Additional Information:** * For your health, we offer **medical and dental assistance** with no copayment for exams and consultations. * Want more well-being? We offer **Gympass** and **Zenklub** (with two free sessions per month) to help you take care of your physical and mental health. * Love to travel? Here we have **Férias & Co**, a benefit that helps make your dream vacation possible. * Growing family? We offer **MomCare**, a flexible monetary incentive after maternity leave for new Datunian mothers. * Want to invest in your professional development? We partner with several renowned educational institutions to offer you discounts of up to 70% on **undergraduate**, **postgraduate**, **MBA**, **language**, and many other courses! **To learn about all our benefits, visit the** **homepage of our careers page.**