Top Front End Developer Jobs in Brazil

Develop and maintain modern frontend web applications using React, TypeScript, Vite, and Material UI. Collaborate with product managers, designers, and engineers to deliver features, write tests, debug issues, automate deployments, document systems, provide technical support, and improve development processes. Build reusable components and ensure application quality, performance, and reliability.

Build and ship healthcare software across the frontend, API, and database using React, TypeScript, Next.js, tRPC, Prisma, and related technologies. Own features end to end, prototype with AI tools, test with patients and care teams, and improve performance, accessibility, reliability, and scalability. Collaborate closely with company leadership in a fast-paced startup environment while developing trustworthy automation for healthcare delivery.

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 and optimize front-end components across insurance websites, configure and analyze A/B and multivariate tests in Optimizely, improve SEO, CRO, page performance, and user experience, and collaborate with UX, development, media, and paid teams. Translate behavioral and testing data into actionable recommendations for technical and business stakeholders.

Develop and maintain scalable, high-performance React applications using JavaScript and TypeScript. The role involves frontend architecture, responsive and accessible interfaces, API integration, state management, automated testing, CI/CD, code reviews, troubleshooting, refactoring, and technical decision-making. The developer will collaborate with engineering, product, and business stakeholders, use AI-assisted development tools responsibly, and contribute to frontend engineering practices for global B2B commerce products.

Build polished, responsive front-end applications for Chiri Brain and client-specific AI solutions. Design user flows, prototypes, interfaces, reusable components, and design systems while integrating APIs, authentication, business data, agent workflows, and security controls. Work directly with customers and stakeholders to understand needs, rapidly prototype, gather feedback, and ship production-quality software. Help establish scalable front-end architecture and use AI-assisted development tools to accelerate delivery.

Build and own Caliza’s real-time financial dashboard using TypeScript and React. Develop transaction tables, balances, reports, search, filtering, exports, permissions, and data-heavy interfaces. Integrate back-end APIs, contribute to Kotlin and Spring Boot services, optimize performance, implement accessibility and security practices, write automated tests, and collaborate with product, design, compliance, and engineering teams.

Build, test, deploy, document, and maintain full-stack web applications across frontend, backend, databases, servers, networking, and cloud systems. Translate business requirements into scalable solutions, troubleshoot existing applications, participate in code reviews, and improve engineering standards. The role requires end-to-end ownership, collaboration with distributed teams, user support, responsible use of AI-assisted tools, and mentoring of other developers.

Develop and maintain Keet Desktop, a cross-platform peer-to-peer communications application built with React and the Pear runtime. Responsibilities include implementing UI/UX, optimizing performance, writing maintainable and tested code, debugging complex frontend applications, and contributing to decentralized communication technologies. The role involves collaboration with a globally distributed remote team and may include desktop application, real-time communications, and cross-platform development.

Develop and maintain Keet Desktop, a cross-platform peer-to-peer communications application built with React and the Pear runtime. Responsibilities include implementing UI/UX, optimizing performance, writing maintainable and tested code, debugging complex frontend applications, and contributing to decentralized communication technology. The role involves collaboration within a remote global team and may include desktop application, real-time communication, and open-source development.

Develop and maintain Keet Desktop, a cross-platform peer-to-peer communications application built with React and the Pear runtime. Responsibilities include implementing UI/UX, optimizing performance, writing maintainable and tested code, debugging complex frontend applications, and contributing to decentralized communication technologies in a globally distributed remote team.

Develop and enhance frontend software products, with a focus on React-based applications and loan origination systems. Responsibilities include designing, coding, testing, debugging, troubleshooting complex code, collaborating with Agile stakeholders, reviewing requirements, mentoring junior developers, and managing end-to-end development through production rollout. The role also involves optimizing customer experiences and working with REST APIs, databases, AWS services, and automated testing tools.

Develop and enhance frontend software products, serving as a subject matter expert for loan origination systems. Collaborate with stakeholders and Agile team members to evaluate requirements, specifications, use cases, and test plans. Deliver software through the full development lifecycle, from design and prototyping through production rollout. Troubleshoot complex problems, optimize customer experiences, and mentor junior developers. The role requires strong React expertise, RESTful API knowledge, database experience, AWS services, Kinesis, and software testing skills.

Build a new headless front-end using React and Next.js, creating reusable, responsive, accessible components and integrating headless CMS content with REST or GraphQL APIs. Write unit, component, and integration tests; participate in code reviews, planning, and estimation; and independently deliver features from ticket through tested merge. Use enterprise AI coding tools for development, refactoring, testing, and debugging while critically reviewing generated output.

Build and own high-performance, customer-facing web applications using React, Redux, and TypeScript. Integrate AI-powered product features, establish frontend engineering standards, optimize scalability and performance, and maintain testing and design systems. Partner with product, design, and backend teams to deliver quickly, mentor engineers, review AI-generated code, establish responsible AI guardrails, and drive continuous delivery in a high-scale SaaS environment.

Build and evolve large-scale, resilient front-end commerce applications used across thousands of stores. Lead architecture, testing, performance, accessibility, and product delivery with product managers and designers. Serve as a technical reference, mentor engineers, participate in hiring, and use AI responsibly to improve development speed and quality. The role requires advanced English and Portuguese and is remote within Brazil.

Design and implement scalable, user-facing web features for high-traffic Uber applications. Own technical design and execution, collaborate with product, design, data science, and backend teams, improve performance and reliability, establish frontend engineering standards, resolve production issues, and mentor junior and mid-level engineers.

Build performant, accessible websites and custom WordPress themes, Gutenberg blocks, plugins, and responsive frontend implementations. Translate design mockups into HTML, CSS/SASS, and JavaScript, while troubleshooting PHP, WordPress, Drupal, and backend issues. Collaborate with designers, consultants, and clients in a remote environment, using AI tools such as Claude Code to support project execution.

Design, develop, and maintain secure, responsive web interfaces using modern TypeScript frameworks, preferably Svelte. Translate product requirements into design documents, collaborate with cross-functional teams, optimize application performance, mitigate web security risks, and produce clean, maintainable code. The role also involves debugging, staying current with frontend technologies, and potentially using testing frameworks or contributing to open source.

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.

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.

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 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.