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Lead Frontend & Mobile Engineer (AI-First Architecture)

wizdaa • Brazil
Remote
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Seeking a highly senior engineer to own frontend and mobile architecture, design scalable systems, and drive AI-first development across React.js, React Native, and Next.js. Requires 5+ years of production experience, deep expertise in TypeScript, GraphQL, and AI tools like Cursor/Claude, with full ownership of technical direction and quality standards. Must thrive in a fast-paced, remote environment with direct client collaboration.

Key Highlights
Lead-level ownership of frontend and mobile architecture across React.js, React Native, and Next.js
AI-first development workflow with tools like Cursor and Claude, maintaining full engineering judgment
5+ years of production experience with TypeScript, GraphQL, and native mobile concepts (Kotlin/Java/Objective-C/Swift)
Key Responsibilities
Design and own frontend/mobile architecture for React.js, React Native, and Next.js
Make independent architecture decisions for scalability, maintainability, and performance
Build production-grade applications using TypeScript and GraphQL
Define engineering patterns and quality standards for AI-generated and manual code
Collaborate directly with clients to translate product needs into technical solutions
Contribute to system design, performance, testing, and engineering productivity strategies
Technical Skills Required
React.js React Native TypeScript
Benefits & Perks
Fully remote with USD compensation
EST/PST aligned hours
Nice to Have
Experience with Kotlin/Java/Objective-C/Swift for React Native integrations
Advanced AI/ML or agentic development expertise beyond basic tool usage

Job Description

We are looking for a highly senior engineer who can operate at Lead Engineer level across frontend and mobile applications.

This is not a role for someone who only executes tickets. We need someone who can make architecture decisions independently, design scalable frontend and mobile systems, and turn ambiguous product needs into production-ready applications. This is a high-ownership role on a lean team. The default mode of execution is AI-first. Engineers use AI agents and tools such as Cursor, Claude, and similar platforms to accelerate research, planning, implementation, testing, and refinement, but ownership stays fully with the engineer.

The Work

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