We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.

With over 8,000 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.

We are looking for a Mid-Level Full Stack Developer with solid experience in React and . NET to help design, build, and maintain scalable, high-quality web applications. You will work across the entire stack, from modern frontend interfaces to robust backend services, collaborating closely with product, design, and other engineering teams.

Responsibilities:

– Design, develop, and maintain full stack web applications using React, TypeScript, C#, and . NET (preferably . NET Core/. NET 6+)

– Implement responsive and accessible user interfaces, following best practices in UI/UX and WCAG/ARIA standards

– Build and maintain reusable frontend components and UI libraries for multiple business applications

– Design and implement RESTful APIs, ensuring performance, scalability, and security

– Contribute to the architecture of microservices and scalable backend systems

– Write and maintain automated tests (unit, integration, API, and end-to-end) using tools such as Jest, React Testing Library, Playwright, and . NET testing frameworks

– Collaborate with DevOps to configure and maintain CI/CD pipelines (preferably in Azure DevOps)

– Work with cloud services (preferably Azure) for deployment, monitoring, and troubleshooting

– Participate in code reviews, provide constructive feedback, and help maintain high engineering standards

– Diagnose and resolve complex technical issues across the stack, optimizing performance and reliability

Requirements:

– Strong experience with React and TypeScript in modern frontend development

– Experience building and maintaining reusable component libraries and working with tools such as Storybook

– Solid understanding of JavaScript fundamentals and modern ES6+ features and patterns

– Experience with . NET (preferably . NET Core/. NET 6+) and C# for backend development

– Experience designing and consuming RESTful APIs

– Understanding of microservices architecture and scalable backend design

– Experience with automated testing on both frontend and backend (unit tests, API tests, integration and/or E2E)

– Experience with relational databases and database design concepts

– Familiarity with cloud platforms (preferably Microsoft Azure) and cloud-native development practices

– Experience with CI/CD concepts and pipelines, ideally using Azure DevOps and YAML

– Strong problem-solving skills, attention to detail, and ability to work collaboratively in a cross-functional team

– Good communication skills in English (written and spoken)

Nice to Have:

– Experience with microfrontend architectures and modular frontend design

– Experience with UI frameworks and styling libraries such as Chakra UI

– Experience with Vite or other modern build tools and bundlers

– Experience with Capacitor or similar tools for cross-platform development

– Knowledge of Clean Architecture and SOLID principles in both frontend and backend contexts

– Experience with monitoring, logging, and observability tools in production environments

At CI&T, we are driven by Collaboration, Innovation, and Transformation. Join us to be part of a vibrant team that leverages cutting-edge technologies, including AI, to create impactful solutions. We believe in fostering a culture of learning and growth, where your expertise can shine and make a difference. If you’re ready to take your career to the next level, we encourage you to apply!

Our benefits:

-Health and dental insurance

-Meal and food allowance

-Childcare assistance

-Extended paternity leave

-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;

-Profit Sharing and Results Participation (PLR);

-Life insurance

-Continuous learning platform (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 platform

And many more!

More details about our benefits here: https://ciandt.com/br/pt-br/carreiras

At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here . This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don’t worry: we can support you in obtaining it

We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.