We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.With over 6,500 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.
At CI&T, Collaboration, Innovation, and Transformation drive everything we do.
We’re looking for a highly skilled Senior React Developer to join our team in Brazil. If you're passionate about front-end development and want to work in a multicultural, collaborative, and innovative environment, this is your chance to make a difference. Join us in building impactful solutions powered by cutting-edge technologies and AI.
Position Overview
As a Senior React Developer, you will take the lead in designing and developing responsive web applications using React, TypeScript, and modern frameworks. You'll collaborate with cross-functional teams to deliver high-performance solutions, mentor junior developers, and ensure the implementation of best practices in web development.

Key Responsibilities

• Develop, test, and deploy responsive web applications using React, TypeScript, and Tailwind CSS.
• Build and maintain effective API communication using GraphQL (Apollo).
• Implement unit and integration testing using tools like Jest and Playwright.
• Ensure web applications meet accessibility standards (WCAG) for inclusive user experiences.
• Collaborate with stakeholders to define requirements and deliver scalable solutions.
• Optimize performance and maintain high code quality using Git and Sonar.
• Mentor junior developers and contribute to a culture of learning and innovation.

Must-Have Skills

• 5+ years of experience in front-end development.
• Proficiency in React and TypeScript.
• Experience with GraphQL (Apollo) and API communication.
• Knowledge of unit and integration testing tools (e.g., Jest, Playwright).
• Familiarity with responsive web development using Tailwind CSS.
• Proficiency in Git for version control.

Nice-to-Have Skills

• Experience with Next.js for server-side rendering.
• Familiarity with XState for state management.
• Knowledge of Micro Frontends (MFE) architecture.
• Understanding of Webpack for module bundling.
• Awareness of accessibility standards (a11y) and WCAG guidelines.
• Experience with GitHub pipelines for CI/CD workflows.

Why Join CI&T?
At CI&T, we are driven by Collaboration, Innovation, and Transformation. We believe in creating solutions that make a difference, powered by AI and cutting-edge technologies. As part of our team, you’ll thrive in a multicultural environment that values growth, learning, and connection. Join us and be part of a company where your talent and creativity truly matter.
Apply now and transform your future with CI&T!
#LI-MJ1#MidSenior





Our benefits:
-Health and dental insurance-Meal and food allowance-Childcare assistance-Extended paternity leave-Wellhub (Gympass)-TotalPass-Profit-sharing (PLR)-Life insurance-CI&T University-Discount club-Free online platform dedicated to physical, mental, and overall well-being-Pregnancy and responsible parenting course-Partnerships with online learning platforms-Language learning platformAnd many more!More details about our benefits here: https://ciandt.com/br/pt-br/carreiras


Collaboration is our superpower, diversity unites us, and excellence is our standard. We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.