Senior Full-Stack Engineer — AI-Driven Product & UI

Messa.ai; Argentina; On-site; ARS 85,847,963 - 114,463,951; Full time

Job summary

Messa.ai in Argentina is seeking a Senior Full Stack Engineer to design, build, and ship core product features. The role emphasizes creating intuitive user experiences and developing reliable backend systems while integrating AI deeply into the product.

The ideal candidate will have expert-level skills in React and TypeScript, with a product mindset and the ability to work in an early-stage environment. Responsibilities include building features across the full stack and participating in code reviews.

Qualifications

• Expert-level proficiency in React and modern TypeScript.
• Basic backend experience and comfortable designing APIs.
• Sharp eye for UI/UX and building polished interfaces.
• Experience in workflows involving AI/LLM tools.
• Ability to produce high-quality code with minimal review.

Responsibilities

• Build and own end-to-end product features across the full stack.
• Design and implement high-performance user interfaces.
• Develop and maintain robust APIs and backend services.
• Integrate AI capabilities into product features.
• Participate in code reviews and maintain high quality.

Skills

React

TypeScript

UI/UX design

AI/LLM integration

API design

Python

Tools

Docker

AWS

Job description

Messa.ai in Argentina is seeking a Senior Full Stack Engineer to design, build, and ship core product features. The role emphasizes creating intuitive user experiences and developing reliable backend systems while integrating AI deeply into the product.

The ideal candidate will have expert-level skills in React and TypeScript, with a product mindset and the ability to work in an early-stage environment. Responsibilities include building features across the full stack and participating in code reviews.