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I

Senior Front-end Developer – React

Internas

Senior Front-end Developer specializing in complex applications using JavaScript frameworks. Collaborating with cross-functional teams and contributing to Microfrontends architecture.

Posted 5/19/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies
AngularAWSJavaScriptReactSCSSTypeScriptWebpack

About the role

Key responsibilities & impact
  • Develop highly complex front-end applications using JavaScript/TypeScript, Angular and React, applying advanced modularization strategies and integrating micro frontends.
  • Implement and optimize CI/CD pipelines, ensuring continuous and reliable releases for mobile web and WebView environments.
  • Define advanced build strategies, resolve complex configuration conflicts, and promote efficient caching to improve performance.
  • Serve as a technical reference in discussions and implementation of Microfrontends architectures, focusing on versioning, compatibility, and module integration. Apply modern front-end observability practices using tools such as Datadog and Lighthouse to drive performance and usability analysis.
  • Collaborate with cross-functional teams and contribute technically to Spec-Driven Development (SDD) processes, including interaction with AI assistants.

Requirements

What you’ll need
  • Advanced proficiency in JavaScript/TypeScript, HTML5, CSS3, and preprocessors such as SASS or LESS.
  • Proven experience with Microfrontends architectures, particularly using Angular and React.
  • Advanced configuration of build tools (Webpack/Rollup) with emphasis on caching (contenthash), code splitting, lazy loading, and security (Content Security Policy).
  • Infrastructure automation and deployment in AWS environments (S3, CloudFront) using Infrastructure as Code practices.
  • Standardization and execution of automated tests (unit, E2E, accessibility) to ensure high coverage and quality. Practical use of front-end observability tools (Datadog, Lighthouse) for performance analysis.

Benefits

Comp & perks
  • We value the continuous growth of zuppers, encouraging each person to pursue paths that accelerate their professional development.

ATS Keywords

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Hard Skills & Tools
JavaScriptTypeScriptHTML5CSS3SASSLESSMicrofrontendsAngularReactWebpack
Soft Skills
collaborationtechnical referencecommunicationproblem-solvingcross-functional teamwork