React UI Senior Software Development Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a React UI Senior Software Development Engineer in Brazil.

This role is focused on building and evolving modern, scalable, and high-performance web user interfaces within a global R&D environment. You will contribute to the development of cloud-based digital platforms, working on complex UI systems that support large-scale enterprise solutions. The position involves close collaboration with distributed engineering teams across multiple regions, leveraging Agile methodologies and modern engineering practices. You will play a key role in delivering new features, improving UI architecture, and ensuring code quality through automation and testing. The environment is highly collaborative, innovation-driven, and focused on continuous delivery. This is an opportunity to work on impactful products that shape digital customer experiences at scale.

• Develop and enhance modern React-based user interfaces for large-scale cloud platforms.
• Collaborate with global engineering teams to design, implement, and deliver new features.
• Build reusable, high-performance UI components following best practices in frontend architecture.
• Contribute to test automation strategies, including unit, integration, and end-to-end testing.
• Identify and automate relevant manual test cases to improve efficiency and product quality.
• Participate in Agile ceremonies (Scrum/Kanban/SAFe) and contribute to continuous delivery pipelines.
• Ensure code quality through clean, maintainable, and well-tested implementations.
• Work closely with QA, backend, and product teams to troubleshoot and resolve technical issues.

Requirements:

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field.
• 5+ years of experience in JavaScript (ES6), HTML, CSS, and cross-browser development.
• 3+ years of hands-on experience with modern frontend frameworks such as React, Angular, Vue.js, or similar.
• Strong knowledge of UI architecture, component-based design, and scalable frontend systems.
• Experience with build tools such as Webpack, Gulp, Grunt, NPM, or Yarn.
• Solid experience in test automation (unit, integration, and E2E testing tools such as Mocha, Jasmine, Karma, Cypress, TestCafe, or Protractor).
• Exposure to BDD/ATDD practices is a plus.
• Strong analytical and problem-solving skills with the ability to handle complex technical challenges.
• Good communication skills and ability to work effectively in global, distributed teams.
• Proactive, self-driven mindset with a focus on quality and continuous improvement.

Benefits:

• CLT employment model.
• Health and dental coverage.
• Meal/food vouchers.
• Childcare assistance benefits.
• Gympass access for wellness and fitness.
• Language support programs.
• Access to digital learning and course platforms.
• Birthday day off.
• Volunteer time off (2 days per year).
• Remote work flexibility within Brazil.