Senior Frontend Developer

Macher Tecnologia is recruiting one Senior Front-end developers to support one of its clients developing software technologies for the transportation industry. As the work will be performed globally, English (business / fluent) is a must-have. The selected professional will join us at our Rio de Janeiro office, on a remote setting, at Caxias do Sul or at Porto Alegre. Only candidates from these locations will be considered. As a Senior frontend Engineer, you'll be a key contributor to our client's user-facing Mobile Video applications for Transit and ensuring seamless and delighlul experiences for our users. Your expertise in front-end technologies will drive innovaJon and elevate the product interfaces. Responsibilities: • Architect, design, and develop responsive and performant web applications. • Collaborate closely with designers and backend engineers to implement user interfaces. • Optimize application performance and ensure cross-browser compatibility. • Mentor junior front-end engineers and contribute to their growth. • Stay up to date with the latest front-end trends and best practices. Required Qualifications: • Bachelor's degree in computer science/engineering or equivalent. • Experience: 3+ years of professional front-end development experience. • JavaScript (ES6+), HTML5, CSS3. • Frontend frameworks such as React, Angular, or Vue.js. • Responsive design and mobile-first development. • RESTful APIs and asynchronous programming. • UI/UX design principles. • State management libraries (e.g., Redux, MobX). • Unit testing and test-driven development. • Frontend performance profiling and optimization. • Strong problem-solving and communicaJon skills. Preferred Qualifications: • Progressive Web Apps (PWAs) and service workers. • Internationalization (i18n) and accessibility (a11y) best practices. • GraphQL or other API query languages. What We Offer? • CLT position, on-site • Health plan for employee + partner and children • Meal allowance • Life insurance • Remote position, with eventual team gatherings at Caxias do Sul or Rio de Janeiro