Staff Backend Engineer: AWS Serverless (Go/Node) Sydney Hybrid

oOh!media in Sydney is seeking a Staff Software Engineer to own a core commercial domain that manages inventory availability and campaign scheduling across our national network. You will balance hands-on delivery with architecture leadership while collaborating with stakeholders.

You'll lead architecture, drive observability, modernise platforms, and mentor engineers, delivering high-throughput, event-driven backend systems on AWS (Golang/Node.js).