Senior Full-Stack Engineer, AI

MacrosFirst
📍 Argentina, Argentina, Argentina 💼 Full-time 🕒 Posted February 23, 2026

Job Description

Full-time · Fully Remote (US timezone overlap required)

About Us

MacrosFirst is building the world's leading nutrition app, helping people to live a healthier life and achieve their fitness goals through a balanced diet. We're bootstrapped, profitable, building really cool AI-powered experiences, and focused on scaling to eight-figure ARR while keeping the team small and nimble.

The Role

You'll join a team of 6 engineers and contribute to projects across the stack. This is a dynamic opportunity where you'll interface directly with the co-founders, design, marketing, and customers to build features that move the needle for us and our community of highly engaged users.

Our tech stack is fun

  • Frontend: Flutter
  • Backend: fastapi (Python) + Go
  • Databases: postgresql and mongodb

What You'll Tackle

  • Architect and scale our AI-driven Nutrition Copilot – You will lead the development of an intelligent, mul...

Ready to Apply?

Submit your application today and join our talented team at MacrosFirst.

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Job Details

  • Location Argentina, Argentina
  • Job Type Full-time
  • Category Other-General
  • Posted Date February 23, 2026
  • Application Deadline April 04, 2026