Frontend Specialist, React

Vivo (Telefônica Brasil)

. Serve as the frontend (React) technical authority in the evolution of web applications .

Posted 9/29/2026full-timeSão Paulo • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Frontend Development with a focus on React and TypeScript, emphasizing scalable application architectures and performance optimization. Proven ability to lead technical initiatives, implement best practices, and ensure high-quality standards in web applications.

Highest-signal resume keywords

ReactTypeScriptFrontend Architecture DesignAutomated TestingWeb Performance Optimization

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactTypeScriptState ManagementComponentizationREST API ConsumptionMicrofrontend ArchitectureAutomated TestingCI/CDVersion ControlDependency Management

Tools & Technologies

JestReact Testing LibraryGitViteWebpack

Industry Keywords

Web PerformanceAccessibility Best PracticesDesign SystemsEnterprise EnvironmentsEvent-Driven Integration

Tech Stack

Tools & technologies

JestReactReduxTypeScriptWebpack

About the role

Key responsibilities & impact

Serve as the frontend (React) technical authority in the evolution of web applications
Contribute to the definition and evolution of scalable, modular frontend application architectures
Provide technical leadership in designing digital solutions, ensuring alignment with architectural standards
Support and guide teams in adopting frontend engineering best practices
Design and implement reusable components and integrations with enterprise Design Systems
Evaluate technical trade-offs and support architectural decisions with a focus on performance, scalability, and maintainability
Evolve frontend frameworks, libraries, and technical foundations
Ensure technical quality through automated testing and sound development practices
Resolve highly complex technical issues
Promote web performance, optimization, loading, and user experience best practices
Support technical governance and standardization across frontend applications

Requirements

What you’ll need

Bachelor’s degree in technology or a related field
Strong experience with React and TypeScript
Experience designing scalable, modular frontend application architectures
Experience with state management (Redux, Zustand, Context API, or similar)
Experience with componentization and integration with Design Systems
Experience consuming REST APIs
Experience with Microfrontend architecture
Experience with automated testing (Jest, React Testing Library, or similar)
Experience with CI/CD and build automation
Experience with version control (Git)
Experience optimizing web performance (code splitting, lazy loading, memoization)
Knowledge of accessibility best practices (WCAG)
Experience with dependency management and modern build tools (Vite, Webpack, or similar)
Preferred: experience in high-scale enterprise environments
Preferred: experience with enterprise platforms and authentication (OAuth, OIDC)
Preferred: experience with distributed architectures and event-driven backend integration

Benefits

Comp & perks

Flexible digital benefits platform for employees and dependents, including gym membership, meal vouchers, food vouchers, pharmacy assistance, medical and dental insurance, and life insurance
Corporate mobile phone
Unlimited voice and data plan
Special discounts on Vivo landline, broadband, TV, and apps
Annual bonus or profit-sharing program
Private pension plan
Subsidy for school, daycare, or nanny expenses
Remote work up to two days per week
Flexible working hours
Birthday day off
Corporate volunteering program
Educational Development Program with partnerships with educational institutions, certification programs, and online courses
Internal Recruitment Program in Brazil or abroad