Senior Frontend Engineer

Overview

Senior Frontend Engineer responsible for building and scaling customer-facing web applications and AI-powered interfaces using modern frontend technologies.

What you'll do

• Architect and build production-grade interfaces with React, Redux or similar state management, and TypeScript.
• Apply AI across delivery and establish code-review, provenance, licensing, and customer-data guardrails.
• Integrate AI-powered features including chat, content generation, and recommendations.
• Own performance, scalability, and reliability for high-traffic applications.
• Partner with product, design, and backend teams to deliver features from concept to production.
• Set frontend standards for reusable components, design systems, testing, and code reviews.
• Mentor engineers and drive iterative continuous delivery.

What you'll need

• 5+ years building and shipping modern production-grade web applications at scale.
• Deep expertise in React, Redux or modern state management, and TypeScript.
• Strong JavaScript ES6+, HTML5, and CSS3 fundamentals.
• Experience integrating REST APIs and working with microservices architectures.
• Experience with Jest or Cypress and component libraries or design systems.
• Track record of owning technical outcomes end-to-end in fast-moving environments.
• Experience in a high-scale SaaS or consumer platform environment.

Nice to have

• Next.js experience.
• Experience integrating LLM-powered or AI-driven product features.

Details

• Remote in Brazil.