Desenvolvedor(a) Frontend Sênior React, TypeScript e Vite.

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor(a) Frontend Sênior React, TypeScript e Vite based in Brazil.

We are looking for a Senior Frontend Developer to build and enhance international web applications using React, TypeScript, and Vite.
You will develop scalable, accessible, and high-performance user interfaces while contributing to frontend architecture and engineering best practices.
Working with distributed, multicultural teams, you will help deliver consistent digital experiences across different countries and regions.
You will play an important role in application structure, component reusability, automated testing, and code quality.
The position also involves internationalization, localization, and integration with APIs and modern deployment workflows.
As a technical reference within the team, you will support other developers, influence engineering decisions, and drive continuous improvement.

Accountabilities

You will take ownership of frontend development and contribute to the technical evolution of web applications, ensuring scalability, accessibility, and reliable performance. Your responsibilities will include:

• Develop responsive, accessible, and high-performance web interfaces using React, TypeScript, and Vite.

• Integrate frontend applications with APIs and ensure reliable data communication.

• Structure applications using Feature-Sliced Design (FSD) architecture to promote scalability, organization, and component reusability.

• Implement internationalization (i18n) and localization (l10n), including translations and region-specific user experiences.

• Develop and execute unit, component, integration, and end-to-end (E2E) tests, applying Test-Driven Development (TDD) when appropriate.

• Participate in frontend architecture decisions, code reviews, and the definition of engineering standards and best practices.

• Act as a technical reference for the development team, mentoring colleagues and encouraging knowledge sharing.

• Configure, monitor, and troubleshoot build, deployment, and CI/CD pipelines using GitHub Actions or Azure DevOps.

• Collaborate with international and multidisciplinary teams to ensure technical alignment and high-quality delivery.

• Contribute to the continuous improvement of application architecture, development processes, and overall code quality.

Requirements

The ideal candidate has extensive frontend development experience, strong technical autonomy, and the ability to collaborate effectively with international teams. The following qualifications and skills are required:

• Advanced experience with React, TypeScript, JavaScript, HTML, and CSS.

• Hands-on experience using Vite to develop and structure web applications.

• Strong knowledge of React Hooks, state management, and REST API integration.

• Practical experience with internationalization (i18n) and localization (l10n), including translation catalogs, pluralization, date, number, and currency formatting, and timezone management.

• Experience with automated testing, integration testing, and Test-Driven Development (TDD).

• Knowledge of web accessibility, frontend performance optimization, security, and error handling.

• Experience with Azure environments and CI/CD pipelines using GitHub Actions or Azure DevOps.

• Proficiency with Git version control and code review practices.

• Ability to analyze complex problems, propose effective technical solutions, and work independently.

• Advanced English proficiency, with the ability to discuss technical decisions, participate in meetings, and communicate effectively in writing with international teams.

Benefits

• Five scheduled days off.

• Partnership with Movida for car rentals.

• Employee referral program.