Middle Full Stack developer (remote in Brazil)

We are looking for a strong Middle Full Stack Developer with 4+ years of experience to join an ongoing healthcare project as an embedded team member working alongside a US-based engineering team.

The work is approximately 70% front-end and 30% back-end.

Requirements:

Must have:

• 4+ years of commercial experience with JavaScript / TypeScript
• 4+ years with React 
• At least 1+ year of commercial experience with Next.js
• At least 1+ year of commercial experience with Node.js
• Experience with tRPC and GraphQL
• AI-first mindset — active use of AI tools in daily development
• English: Upper-Intermediate+

Nice to have:

• Experience with MedPlum or FHIR-based systems
• Healthcare domain background

Key Responsibilities:

• Build enterprise-ready UI components based on Figma designs
• Optimize front-end performance: page load time...