Senior Full Stack Developer (React)

Location: Brazil; remote home-office workplace

Company

CI&T delivers AI deployment, application modernization, data and AI, martech, and business strategy solutions for large enterprises, with more than 8,000 employees across over 25 countries.

What you will do

• Design and build responsive, accessible, data-driven interfaces with React and TypeScript, focusing on UX/UI and data visualization.
• Translate complex business processes, calculations, simulations, and scenario modeling into interactive application features.
• Develop secure Node.js APIs and backend services on AWS, integrating enterprise systems, data platforms including Databricks, and AI/ML services.
• Build technical prototypes, validate feasibility, and support technical decisions.
• Own engineering quality through automated testing, code reviews, CI/CD, security practices, documentation, and production deployments.
• Collaborate with Business, Product, Design, Architecture, and Data Engineering stakeholders in an Agile, product-led environment.

Requirements

• Professional software development experience delivering production web applications.
• Strong hands-on proficiency with React, TypeScript, and modern UI frameworks for responsive, accessible, and data-intensive applications.
• Experience translating complex business requirements into intuitive interfaces, including interactive forms, data visualization, calculations, and scenario modeling.
• Solid Node.js, REST API, business logic, and external service integration experience.
• Practical AWS experience with Lambda, API Gateway, S3, IAM, and CloudWatch, including infrastructure as code.
• Strong SQL skills and experience integrating applications with enterprise systems, APIs, and modern data platforms such as Databricks.
• Experience with automated testing, CI/CD, Git-based workflows, security, and production deployments.
• Experience collaborating directly with business stakeholders, Product, and Architects to clarify requirements and evaluate technical options.
• Practical experience using AI coding assistants and development tools while maintaining code quality and accountability.
• Advanced English communication skills and the ability to work independently within cross-functional teams.

Nice to have

• Experience in retail, supply chain, manufacturing, or other data-intensive industries.
• Experience replacing legacy applications, spreadsheets, and manual workflows with modern web applications.

Culture & Benefits

• Remote home-office work in a product-led Agile environment.
• Incremental delivery based on business priorities, with regular demonstrations, feedback, and continuous UX improvement.
• Autonomous ownership with proactive communication of progress, risks, and dependencies.
• AI-assisted development throughout the software delivery lifecycle with engineering accountability.
• Benefits are provided through CI&T’s careers program.

Hiring process

• Present an assessment during the selection process; candidates who do not yet have the assessment can receive support in obtaining it.