Top Front End Developer Jobs in Sao Paulo

Design, develop, and maintain frontend web applications using React, TypeScript, and Vite. Lead deployment automation, write and maintain unit/integration tests, debug complex issues, participate in code reviews, document systems, and provide technical support while collaborating with product, design, and engineering teams.

Design, develop, and maintain frontend web applications using React, TypeScript, and Vite. Build and scale automated tests with Playwright, Selenium, or Cypress; write unit and integration tests; automate deployments; collaborate with product, design, and engineering teams; document systems; troubleshoot and provide technical support for moderately complex issues.

Design, develop, and maintain high-quality frontend software using React, TypeScript, and Vite. Lead automation of deployments, write unit and integration tests, debug complex issues, participate in code reviews, document systems, and collaborate with product, design, and engineering teams to deliver reliable web applications.

The Senior Front-End Engineer will develop enterprise-grade web applications using React, collaborate with UX designers and project managers, and enhance existing applications' performance.

Develop and enhance web applications using Vue.js, collaborating with various team members, and providing efficiency improvements and support for existing applications.

The Front End Developer will create UI solutions, enhance usability and performance, support current projects, and develop business analysis documents.

Build and enhance interactive geospatial maps, operational dashboards, and data-driven frontend applications. Translate complex location-based data into intuitive, accessible user experiences using modern JavaScript frameworks. Implement WCAG 2.1 AA standards, improve performance and maintainability, resolve defects, and support application hardening. Collaborate through documented designs, code reviews, Git workflows, ticket-based development, beta feedback, and AI-assisted development tools.

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.

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 scalable, high-performance frontend applications using React and Next.js. Collaborate with Product, Design, and Backend teams to integrate APIs, ensure responsive and accessible UIs, participate in architecture and code reviews, and optimize frontend performance and scalability for a global AI-native FinTech SaaS platform.

As a Senior Front-End Software Engineer, you'll design and implement services, contributing to the architecture and product strategy in a fast-paced environment.

Develop and maintain enterprise Drupal themes and front-end components, build responsive sites, landing pages and email templates, collaborate with marketing and stakeholders, ensure accessibility, performance and SEO, support marketing tech, and manage projects through full development lifecycle.

Build and maintain high-performance customer-facing frontend applications using React, Next.js, and TypeScript. Collaborate with designers on UX/UI, develop reusable component libraries and scalable design systems with Storybook, and create dashboards, data tables, charts, and analytics visualizations. Communicate technical tradeoffs and risks, navigate ambiguity, and deliver incremental product improvements quickly.

Build and maintain high-performance customer-facing frontend applications using React, Next.js, and TypeScript. Collaborate with designers on UX and interaction design, create reusable component libraries and scalable design systems with Storybook, and develop dashboards, data tables, charts, and analytics visualizations. Communicate technical tradeoffs and risks, navigate ambiguity, and deliver incremental improvements quickly.

The role involves designing, building, and implementing new services, working closely with the product team, and taking ownership of projects from 0 to 1.

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

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.

Design and maintain secure, resilient Java/Spring backend services for high-volume payments; optimize data pipelines and async processing; build and integrate React frontends and APIs; use AI tools across development; lead code/system design reviews and mentor engineers; implement observability and CI/CD for reliable payment integrations.

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.

Lead frontend feature releases and own production lifecycle for React and TypeScript domains. Build scalable, tested, high-performance AI-powered interfaces, integrate with a Java Spring Boot backend, and improve user experience and team efficiency. Participate in code reviews, estimate development work, monitor frontend health, and ensure stable, reliable software for dental practices.

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

Senior UI developer responsible for designing and building responsive React-based UIs and dashboards for cybersecurity analytics. Develop backend services and APIs in Python, integrate security data sources, optimize SQL Server/PostgreSQL reporting, collaborate with stakeholders, influence architecture, and mentor junior developers.

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.