About the job
In your capacity as a Senior React Developer, you will be a vital member of the UI/UX team responsible for crafting and enhancing frontend systems that facilitate seamless human interactions with technology. Your expertise will be instrumental in analyzing existing processes, streamlining them, and incorporating machine learning into user journeys. You will have the opportunity to shape architectural and technological decisions to foster quality and innovation, ultimately creating transformative experiences within the industry.
Key Responsibilities:
- Engage with end users and cross-functional process owners to understand existing processes and workflows;
- Analyze user interactions and application telemetry to gain valuable insights;
- Collaborate with users, process owners, data scientists, and telemetry systems to enhance user journeys through engaging wireframes;
- Work closely with Product, Data Science, and Data Engineering teams to integrate new technologies and reusable components;
- Continuously develop and deploy features while ensuring automated unit and integration testing;
- Conduct daily code reviews to uphold high-quality standards and enable frequent production releases;
- Contribute to the long-term technical vision of the team.
Must-have Skills:
- Proficiency in English (Advanced/Fluent);
- Demonstrated experience in designing user experiences and developing user interfaces;
- Familiarity with high-velocity CI/CD systems and agile methodologies, including A/B testing;
- Expertise in React and TypeScript;
- Experience with GraphQL (Apollo) and Node.js;
- Knowledge of Nest.js and microservices architecture;
- Understanding of A/B testing techniques;
- Experience with Prisma, MongoDB, and PostgreSQL;
- Comprehension of unit testing and integration testing;
- Familiarity with cloud platforms such as Azure, AWS, and GCP.
Nice to have:
- Experience with Nest.js, D3.js, and graphic design tools;
- Familiarity with analytics tools like Hotjar and Mixpanel...
About CI&T
CI&T is a leading technology transformation company that specializes in integrating human expertise with cutting-edge AI solutions to deliver scalable technologies. With a global workforce of over 8,000 talented individuals, we have successfully partnered with over 1,000 clients in our 30 years of service, making AI an integral part of our operations.

