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CI&T

Senior Front End Developer, React/Typescript

CI&T

Senior Front End Developer at CI&T focusing on technology transformation via AI with comprehensive responsibilities in a collaborative environment.

Posted 5/8/2026full-time🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies
ApolloGraphQLJavaScriptNode.jsReactTypeScriptWebpack

About the role

Key responsibilities & impact
  • Work with CI&T to support a client in the media industry;
  • Write clean, maintainable code following software development best practices;
  • Design solutions using appropriate frameworks;
  • Identify opportunities for improvement;
  • Collaborate with team members, including developers, designers, and stakeholders, to ensure project success;
  • Conduct code reviews;
  • Ensure a stable and productive development environment;
  • Willingness to learn to use widely adopted tools in the technology stack;
  • Actively participate in solving complex problems, identifying improvement opportunities and proposing innovative solutions;
  • Lead projects and mentor other developers;
  • Provide onboarding and orientation for new developers joining the team;
  • Proactively collaborate with other teams (QA, UX, Design, etc.) to ensure project success;
  • Design workflows, create diagrams, and produce technical documentation to facilitate code maintenance and scalability;

Requirements

What you’ll need
  • Experience with React, TypeScript and web technologies (HTML, CSS, JavaScript);
  • Strong knowledge of Node.js and package managers (npm/pnpm);
  • Strong knowledge of bundlers (Webpack, Rollup, etc.);
  • Knowledge of GraphQL (preferably with Apollo);
  • Strong experience consuming APIs (REST, GraphQL, etc.);
  • Solid knowledge of different types of testing (Unit, End-to-End, Integration);
  • Experience with CI/CD tools (preferably GitLab CI);
  • Knowledge of agile methodologies (Scrum, Kanban, etc.);
  • Ability to perform structured and thorough code reviews;
  • Understanding of architectures and design patterns for code maintainability and scalability;
  • Preferred:
  • Knowledge of monorepo architecture;
  • Knowledge of React internals (renderer, reconciler, etc.);
  • Familiarity with software development best practices (DRY, KISS, TDA, SoC, SOLID);
  • Knowledge of performance analysis and optimization;
  • Knowledge of web accessibility;
  • Knowledge of collecting and analyzing technical and business metrics;
  • Experience with the HTML Canvas API;
  • Experience building keyboard-navigable interfaces;
  • Experience leading projects;
  • Experience solving complex technical problems.

Benefits

Comp & perks
  • Health and dental insurance;
  • Meal and food allowance;
  • Childcare assistance;
  • Extended parental leave;
  • Partnerships with gyms and health & wellness professionals via Wellhub (Gympass) / TotalPass;
  • Profit-sharing (PLR);
  • Life insurance;
  • Continuous learning platform (CI&T University);
  • Discount club;
  • Free online platform dedicated to promoting physical and mental health and well-being;
  • Pregnancy and responsible parenthood course;
  • Partnerships with online course platforms;
  • Language learning platform;
  • And many others

ATS Keywords

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Hard Skills & Tools
ReactTypeScriptHTMLCSSJavaScriptNode.jsGraphQLAPIsCI/CDtesting
Soft Skills
collaborationleadershipmentoringproblem-solvingcommunicationcode reviewproject managementonboardinginnovationimprovement