[Job - 30442] Senior React Developer, Brazil

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.

At CI&T, we are seeking a highly skilled and motivated Senior React Developer to join bour team in Brazil. You will contribute to an innovative project in a collaborative, transforming, and multicultural environment.

Position Overview

As a Senior React Developer, you will lead the design and development of dynamic web applications using React and modern JavaScript frameworks. Collaborating with cross-functional teams, you will ensure high-quality deliverables that meet client expectations while embracing the latest advancements in AI technology.

Key Responsibilities

Develop and maintain web applications using React and modern JavaScript frameworks.

Collaborate with the team to design and implement user-facing features.

Ensure the technical feasibility of UI/UX designs.

Write clean, maintainable, and efficient code.

Participate in code reviews and contribute to team knowledge sharing.

Assist in troubleshooting and resolving technical issues.

Communicate proficiently in English and lead effectively in a collaborative team environment.

Must-have Skills

Solid React and Javascript experience

Advanced English proficiency

Essential Technical Skills

React & JavaScript: Proficiency in React 18 with functional components, hooks, and modern ES6+ JavaScript for building single-page applications.

State Management: Experience with Redux and state management patterns for complex applications.

Styling: CSS/SCSS and modern styling approaches.

API Integration: Experience with GraphQL for data fetching and integration.

Testing: Experience with unit testing frameworks (Vitest/Jest) and component testing practices.

Build Tools: Familiarity with modern build tools (Vite, npm) and development workflows.

General Skills

Clear and Effective Communication in English: Ability to convey information concisely and understandably, facilitating team collaboration and understanding with stakeholders.

Proactivity and Autonomy: Ability to take the initiative in problem-solving and manage tasks independently, delivering results efficiently.

GIT Repository: Experience using GIT for code versioning, including branching, merging, and conflict resolution.

Nice-to-have Skills

Familiarity with .NET / C# for back-end development

Familiarity with Docker for containerizing and running applications in development environments.

Familiarity with command-line interfaces (CLI) and bash scripting for tasks such as running scripts, managing dependencies, and interacting with development tools and services.

Join us at CI&T, where we drive collaboration, innovation, and transformation. If you’re ready to make an impact in a dynamic environment powered by AI, we want to hear from you!

#LI-CI

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.