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Backend Developer SR (AM - BE - 20260512)

Company

Celara

Location

buenos aires, ciudad autónoma de buenos aires

Posted

May 31, 2026

Position Overview

We're looking for a modern, AI-empowered engineer — strong fundamentals, opinionated about good design, and fluent in agentic tooling — to help build and launch a new digital purchase platform. Someone who codes fast, leads by example, and can hold their own in product conversations as easily as in technical ones.

The project is for a major company modernizing how customers buy online — standing up a modern stack to run the full purchase flow online, end-to-end. We're building a brand-new back-end: a modern integration layer to multiple third-party provider APIs, the AI plumbing to power agentic features across the funnel, and an agent-facing dashboard (Agent Co-Pilot) that lets human agents see live shoppers in real time and jump into the conversation when needed. The first AI lighthouse is a customer-facing chat assistant tied into that same plumbing — pricing, configuration, eligibility checks, hand-off to a human. This is a 3-month foundation build with a senior, hand-...

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