Sr. Backend Engineer (Golang)

Unpack Holdings Limited • Costa Rica, Costa Rica, Costa Rica • Posted June 23, 2026

Location Costa Rica, Costa Rica
Job Type Full time
Category Computer Occupations
Posted June 23, 2026

The Mission

We are looking for a heavy-hitting Senior Backend Engineer who thrives at the absolute intersection of distributed systems architecture, heavy DevOps ownership, 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 on Golang, Node.js, and Kafka, and we need a system architect to take full ownership of our backend services and clear out our cloud infrastructure tech debt. You will be responsible for keeping our Google Cloud Platform (GCP) and containerized environments pristine, secure, and highly optimized.

Furthermore, you will help spearhead our advanced automation layers, using your deep understanding of analytic datasets, strong mathematical principles, and agentic AI workflows. If you have a true builder's grit, an obsession with clean infrastructure, and love working with modern d...

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