Fullstack Engineer (Backend-focused) – Contractor (Buenos Aires, Argentina)

We’re looking for a dynamic Fullstack Engineer with a strong backend focus to join a growing, fast-paced team. This role is ideal for someone who enjoys building end-to-end features, working across the stack, and is excited about leveraging AI in real-world applications.

What You’ll Do

• Build and ship production-ready features across backend and frontend
• Develop and maintain scalable APIs and services (Node.js or Python or Java)
• Exposure to frontend development with modern frameworks such as React, Vue, or similar.
• Work closely with product and engineering teams to deliver high-impact solutions
• Integrate AI tools and APIs into applications and workflows
• Debug and resolve issues across the stack in a production environment

What We’re Looking For

• 3-6 years of experience in full-stack devel...