Sr. Backend Engineer (Golang + MongoDB)

Unpack Holdings Limited

Full time Computer Occupations
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Location
Argentina, Argentina, Argentina
Posted
July 06, 2026

Job Description

The Mission

We are looking for a heavy-hitting Senior Backend Engineer who thrives at the absolute intersection of distributed systems architecture, high-performance data pipelines, and cutting-edge AI engineering.

This is not a role for someone who simply writes code against a checklist. We are scaling a high-throughput, event-driven ecosystem built primarily on Golang, Node.js, and Kafka, and we need a systems specialist to build scalable services, optimize core data layers, and bring advanced automation features to life. Our systems are robust, scalable, and cleanβ€”your job will be to champion further technical improvements, elevate product capabilities, and push our backend limits to support a massive global user base.

If you have a true builder's grit, an obsession with clean code architecture, and love working with modern data frameworks and AI patterns, this role was built for you.

Key Responsibilities

  • High-Throug...