Backend Engineer (Node.js/NestJS) — Buenos Aires, Argentina

Baasi Inc.

buenos aires, ciudad autónoma de buenos aires, Argentina
Full-time
Posted May 26, 2026

Job Description

Backend Engineer (Node.js/NestJS) — Buenos Aires, Argentina - full time

Ref #

About Us

We are a stealth-mode startup building a new AI platform. Our mission is to make advanced language models deployable, customizable, and secure across diverse environments.

Role

We are seeking a Backend Engineer (Node.js/NestJS) to extend our platform using our existing codebase. You'll build the proxy backend that interacts with our custom inference runtime and extend dashboards.

This role requires strong backend engineering skills, the ability to integrate existing systems, and comfort working closely with C++/CUDA engineers building low-level runtime features.

Responsibilities

Proxy Backend for Inference Runtime

  • Build and maintain a Node.js-based proxy backend that:
    • Accepts inference requests from the frontend.
    • Schedules and serializes prompts.
    • ...