Sr. Backend Engineer (Golang/Distributed Systems)

Unpack Holdings Limited

Full time Computer Occupations
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Location
Costa Rica, Costa Rica, Costa Rica
Posted
July 25, 2026

Job Description

The Mission

We are looking for a battle-tested Senior Backend Engineer who thrives in high-velocity, 0-to-1 startup environments and builds distributed systems with extreme ownership.

This is not an enterprise role for someone who works behind heavy layers of management or hides behind ticket boards. We are scaling a high-throughput, event-driven platform built on Golang, Node.js, Kafka, and GCP, and we need an engineer who can own features end-to-endβ€”from initial system design to production deployment in Kubernetes. You must bring deep, real-world experience handling high-concurrency event streams and complex data layers.

If you have a true startup builder's grit, take pride in high-impact coding exposure, and have the hands-on technical chops to conquer rigorous architectural assessments, we want to build with you.

Key Responsibilities

  • Core Distributed Backend Architecture: Design, write, and...