Senior Full-Stack Engineer (LLM Decision Support) (Remote)

Braintrust
Full-time , , Argentina, , , Argentina Ingeniería y tecnología
Posted:
March 03, 2026
Location:
, , Argentina, , , Argentina, Argentina

Job Description

Job Description

We are building a technology platform focused on LLM‑powered decision support. The product combines structured inputs, deterministic business rules, and LLMs used strictly as a support layer (not autonomous agents, not model training). The MVP is intended as a solid foundation, not a disposable prototype.

The Role

We are looking for one senior, autonomous full‑stack developer to lead the technical implementation of the MVP, working directly with the founder. This is a lean, execution‑focused engagement – not an agency setup, research project, or large team environment.

Outcome (2–3 months): deliver a production‑ready MVP that runs end‑to‑end decision flows reliably, is deployed across dev/stage/prod, and is stable enough for a controlled, limited real‑user beta.

Engagement model

Contract role, anticipated ~2–3 months. Preferred: ~20 hours/week initially. Async‑first with structured written updates and 2–3 async...

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Job Overview

Job Type: Full-time
Location: , , Argentina, Argentina
Posted: March 03, 2026
Deadline: April 12, 2026