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Senior Frontend Engineer (React)

Brasília, Federal District, Brazil🌐 Remote💼 Full-time🗓 2026-08-05 → 2026-09-26

Core

Build modern, high-performance web applications and digital experiences using React for US and European clients.

Role type

Senior Frontend Engineer (React)

Builds

Scalable frontend architectures, responsive web applications, and headless CMS implementations.

Domain

SaaS / Web Development

Deliverable

production ML models | product features

Required skills

React, JavaScript (ES6+), HTML5, CSS3, REST APIs, GraphQL, Virtual DOM, React Hooks, Redux/Context API

Preferred skills

SEO optimization, accessibility standards, performance tuning

Technologies

React, Redux, Context API, GraphQL, REST

Responsibilities

Develop and maintain modern frontend applications; Build responsive, accessible, and high-performance user interfaces; Collaborate with designers to translate UI/UX concepts; Develop reusable React components and scalable frontend architectures; Integrate frontend applications with REST APIs and GraphQL services; Optimize applications for speed, SEO, and overall user experience; Participate in architecture discussions and code reviews; Troubleshoot frontend issues and continuously improve application performance.

Seniority

Senior, hands-on IC

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