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Senior Backend Engineer

Messa AI

Messa AI

Software Engineering
Argentina
Posted on Jan 5, 2026

Location

Argentina

Employment Type

Full time

Location Type

Remote

Department

Engineering

We are looking for a Senior Backend Engineer to be part of the team, focusing on the design, development, and maintenance of robust, scalable server-side applications and APIs. This role requires strong skills in Python web frameworks, database management, and a foundational understanding of integrating AI capabilities. The engineer will ensure high performance and reliability of all backend services.

Technical Requirements

  • Strong experience and expertise in Python development.

  • Proven experience with the FastAPI framework.

  • Advanced proficiency in SQL for data manipulation and relational database management.

  • Experience leveraging AI agents into the development lifecycle.

  • Strong experience consuming AI providers API’s for structured LLM-generated content.

  • Experience designing and implementing RESTful APIs.

  • Experience managing, monitoring, and debugging production environments.

Nice to Have

  • Experience developing browser extensions

  • Desktop development capabilities (macOS, Windows) using modern frameworks (QT, Electron)

  • Proficiency with AWS or another leading cloud platform.

  • Familiarity with Docker throughout the development lifecycle and in live environments.