Top Front End Developer Jobs in Brazil

The Senior Frontend Software Engineer will lead frontend feature releases, integrate AI tools, develop user interfaces, collaborate with backend teams, and improve team efficiency while ensuring code quality and performance.

Lead frontend development for web applications: architect scalable frontend platforms, build reusable component libraries, collaborate with backend, design and optimize performance and responsiveness, implement state management and caching for high-data apps, and maintain testing and frontend architecture standards.

Lead frontend development for web applications, design scalable user-centric features, improve engineering standards and tooling, scope and drive large technical projects, mentor engineers, and align cross-functional teams to ship high-quality product experiences.

Build and maintain the Quality Platform frontend to expose agentic testing capabilities. Translate AI-driven testing workflows into intuitive developer-facing UIs, visualize large-scale test data, improve developer and QE productivity, collaborate across backend/infrastructure/AI teams, write tests, and contribute to design and architecture documents.

Build and maintain the Quality Platform frontend that exposes agentic testing capabilities. Design intuitive UIs for running, orchestrating, and visualizing test results and coverage. Collaborate across backend, infrastructure, applied-AI, and QE teams to improve developer productivity and surface platform capabilities.

Build and maintain guest-facing web features (locator, menu, ordering, cart, checkout, payments, loyalty) using TypeScript, React, and Next.js. Integrate headless content, backend APIs, and third-party tools; write tests, optimize for Core Web Vitals and accessibility; participate in Agile processes, code reviews, and CI/CD pipelines.

Build and enhance web application features, architect a scalable frontend platform, create a reusable component library, collaborate with backend and design teams, and optimize performance and responsiveness across devices.

Build and maintain guest-facing web experiences (locator, menu, ordering, cart, checkout, payments, loyalty) using TypeScript, React, and Next.js. Implement AEM headless content, integrate backend APIs and third-party tools, write tests, optimize for Core Web Vitals and accessibility, participate in Agile ceremonies, and improve performance and architecture.

Build and maintain guest-facing web experiences for a global QSR platform using TypeScript, React, and Next.js. Integrate backend ordering, auth, payments, and third-party tools; implement headless content; write automated tests; optimize for Core Web Vitals and accessibility; participate in Agile ceremonies, code reviews, and CI/CD pipelines.

Build and maintain high-quality web and mobile interfaces using TypeScript and Next.js. Translate Figma designs into responsive, pixel-perfect code. Follow Clean Architecture, use design systems and Storybook, engage AI coding assistants to accelerate delivery, own features end-to-end, and collaborate with product, design, and engineering teams.

Build, ship, and own major parts of the product UI using React and Next.js. Design and optimize responsive, accessible interactive experiences. Collaborate with product, design, and backend teams, contribute to frontend architecture, performance, and component library, and elevate product quality through pragmatic, fast-moving execution.

As a Senior Frontend Engineer, you will design and build web applications, owning major UI projects, collaborating with cross-functional teams, and optimizing performance for a seamless user experience.

Lead the Pro team to design, develop, and deliver frontend systems for Kraken's trading interface, focusing on user experience and mentoring engineers.

The Software Engineer will design and maintain payment processing systems, mentor other engineers, and ensure security in client transactions within the crypto ecosystem.

Develop and maintain responsive web applications, implement component architectures, and ensure accessibility while collaborating in Agile teams.

The role involves architecting and building a scalable frontend platform, implementing secure data aggregation, and mentoring engineers while collaborating with stakeholders to enhance operational efficiency.

Design and build a scalable frontend platform and developer experience for CX tooling: secure data aggregation layers, modular architecture, monorepo workflows, CI/CD pipelines, RBAC enforcement, and mentorship.

Build and evolve a modular microfrontend portal using Vue 3 and TypeScript. Integrate REST APIs and BFFs, implement observability and performance monitoring, maintain the Design System, write component and end-to-end tests, and collaborate with cross-functional teams to deliver secure, maintainable, high-performance features.

The Senior Frontend Engineer will develop and maintain microfrontend applications, collaborate on backend integration, and enhance the architecture of Cobre's financial platform while ensuring performance and security standards are met.

Implement and maintain web applications using JavaScript, ReactJS, and related technologies. Participate in all development phases and troubleshoot production issues.

As a Senior Frontend Software Engineer, you will architect and develop frontend platforms, optimize for performance, and ensure alignment with product strategy by collaborating with various teams.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

Develop and maintain scalable web applications using React.js, collaborate with teams for solutions, troubleshoot issues, and improve code quality.

Develop and maintain frontend applications using React.js and GraphQL, collaborating with backend developers and designers, optimizing for performance.

Lead the Design System mobile team to improve developer productivity and design consistency. Architect scalable, maintainable, accessible frontend solutions, mentor engineers, coordinate cross-functional work, and serve as a technical and communication focal point across the company.