Frontend Specialist – Focus: React

Vivo (Telefônica Brasil)

Technical Frontend Specialist leading digital solutions architecture and best practices in React at Vivo. Focused on scalable Web applications and high-quality standards through automated testing.

Posted 6/26/2026full-timeSão Paulo • 🇧🇷 BrazilMid-LevelSeniorWebsite

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Hard Skills

ReactTypeScriptscalable frontend application architecturestate managementcomponentizationREST APIsMicrofrontend architectureautomated testingweb performance optimizationdependency management

Soft Skills

technical leadershipguidanceproblem resolutionadherence to standardscollaboration

Tools & Technologies

JestReact Testing LibraryCI/CDGitViteWebpackDesign Systems

Certifications & Qualifications

Bachelor's degree in technology

Industry Keywords

frontend engineering best practicesarchitectural standardsperformancescalabilitymaintainabilityaccessibility best practicesWCAG

Tech Stack

Tools & technologies

JestReactReduxTypeScriptWebpack

About the role

Key responsibilities & impact

Serve as the frontend technical lead (React) 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 adherence to architectural standards.
Support and guide teams in adopting frontend engineering best practices.
Design and implement reusable components and integrations with corporate 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 development best practices.
Handle the resolution of highly complex technical issues.
Promote web performance practices (optimization, loading and user experience).
Support technical governance and standardization of frontend applications.

Requirements

What you’ll need

Bachelor's degree in technology or a related field.
Strong experience with React and TypeScript.
Experience with scalable, modular frontend application architecture.
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 with web performance optimization (code splitting, lazy loading, memoization).
Knowledge of accessibility best practices (WCAG).
Experience managing dependencies and modern build tools (Vite, Webpack or similar).

Benefits

Comp & perks

Choose the ideal benefit for you and your dependents via a digital platform offering a variety of categories such as Gym, Meal Voucher (VR), Food Allowance (VA), Pharmacy Assistance, Medical Assistance, Dental and Life Insurance;
Company mobile phone — a brand-new smartphone provided.
Unlimited voice and data plan — yes, unlimited! Vivo 5G is up to 10 times faster.
An exclusive offer from Vivo with special discounts on landline, broadband, TV and apps;
Eligible to receive an annual Bonus or PPR (profit-sharing);
Plan your future through a Private Pension Plan;
Have children? Eligible for a subsidy to help with school, daycare or nanny expenses;
Work in an environment that respects your personality, dress style and individuality, allowing you to be authentic. #VemdeVocê
Work remotely up to 2 times per week. #Mobility
Flexible working hours;
Enjoy a day off (Day Off) to celebrate your birthday;
Participate in one of the largest corporate volunteering programs to help transform the world;
Benefit from our Educational Development Program offering partnerships with educational institutions at a discount, plus certifications and online courses;
Accelerate your career through our Internal Recruitment Program, in Brazil or abroad — we are present in more than 17 countries! #VivoMinhaCarreira