Top Front End Developer Jobs in Brazil

As a Senior Front-end Engineer, you will develop responsive web interfaces using modern frameworks and ensure performance and accessibility of web applications.

Own and enhance the Expo/React Native mobile app, focusing on native integration (JSI/TurboModules), performance-sensitive flows, push notifications, deep linking, CI/CD (EAS), testing, and crash triage. Collaborate with backend and design teams and debug issues across the JS/native boundary.

Build mobile-first, responsive Vue.js frontends focused on performance and UX. Contribute to backend management UIs, participate in code reviews and team ceremonies, and mentor junior engineers.

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.

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.

Develop, maintain, and enhance React-based frontend applications; integrate RESTful APIs; implement automated tests; participate in code reviews; collaborate with cross-functional teams and CI/CD pipelines to deliver high-quality software.

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.

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

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

As a Frontend Engineer, you'll develop high-performance applications using React Native and React.js, collaborating with cross-functional teams to meet client needs.

As a Staff Fullstack Software Engineer, lead technical strategy, system evolution, operational excellence, and mentor teams while promoting wellbeing at work.

Build responsive, accessible Next.js and React applications for marketing storefronts and clinical platforms. Implement Figma designs, optimize Core Web Vitals, manage client-side state, integrate REST and real-time services, and create AI-powered conversational interfaces while following HIPAA/SOC2 security practices.

Build and maintain high-performance, accessible React web applications; create reusable components and scalable frontend architectures; integrate with REST and GraphQL backends; optimize for speed and SEO; collaborate with designers and cross-functional teams; participate in code reviews and architecture discussions.

The role involves building creative tools for content editing, enhancing features with PixiJS and WebGL, and improving collaboration workflows.

As a Senior Front End Engineer, you'll architect and develop scalable web applications, mentoring peers and embracing AI-assisted development to enhance productivity and code quality.

As a Front End Engineer, you will develop responsive web interfaces, contribute to feature development, collaborate in team settings, and integrate AI tools for enhanced productivity.

As a Frontend Software Engineer, you will build user interfaces for Amplemarket's sales platform, collaborating with co-founders and cross-functional teams to enhance product usability and user experience.