Top Front End Developer Jobs in Sao Paulo

As a Frontend Engineer, you will create and maintain products, collaborate with teams, design experiments, and enhance customer experiences.

Build modular, personalized, data-driven email templates and reusable components using React and Apache Velocity. Integrate APIs, translate Figma into responsive email HTML/CSS, author localized templates, enable A/B testing and collaborate with Design Systems to scale internal email tooling.

As a Senior Frontend Software Engineer, you will develop and enhance features for web applications, focusing on user experience and technological advancement. Responsibilities include architecting frontend platforms, leading component library design, and optimizing performance across devices.

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

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.

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 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.

Build and maintain responsive, accessible web interfaces for a consumer health platform using React and TypeScript. Translate designs into performant UI, create reusable components, integrate REST/GraphQL APIs, collaborate with product/design/backend teams, participate in code reviews, and optimize frontend performance across devices and browsers.

Lead the frontend development team, design solutions for complex scenarios, mentor engineers, and ensure reliable, scalable user-centric solutions for Wellhub's platform.

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.

You will drive the product's frontend look and feel, build UIs for complex data, ensure consistent designs, and enhance development velocity. This role requires strong React/TypeScript skills, a builder's mindset, and a focus on performance and design sensibility.

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

Implement and modernize UI across an enterprise web application: apply new stylesheets, layouts, and screen redesigns while preserving functionality. Enhance existing screens as part of UX modernization, ensure responsiveness, accessibility, cross-browser compatibility, and high code quality. Collaborate with designers, developers, and stakeholders, and participate in testing and troubleshooting.

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.

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.

As a Staff Frontend Software Engineer, you will enhance web applications through user-centric features, drive product quality, and lead technical projects.

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

The Front End Developer will create and develop UI solutions, optimize client-side performance, participate in solution architecture, and support ongoing projects.

Design, build, and optimize client-facing websites and internal web apps using TypeScript and React. Implement UI enhancements, ensure performance and scalability, assist backend developers (Go) with integration and troubleshooting, maintain brand consistency, and mentor teammates to drive product excellence.