Senior Backend Engineer - AWS Serverless & High-Throughput

oOh!media; North Sydney; On-site; AUD 140,000 - 180,000; Full time

Benefits offered by this job

Modern offices and amenities

Competitive salary and bonus

Career development

Parental leave and wellbeing support

Team events and hackathons

Wellness discounts

Impact on Australia and New Zealand’s

Inclusion and diversity

Job summary

oOh!media, Australia’s leading Out of Home company, is seeking a Senior Software Engineer based in Sydney. You’ll own complex backend features in a high‑throughput domain for inventory availability and campaign scheduling, using Golang and Node.js on AWS.

You’ll design scalable, event‑driven, serverless systems, improve CI/CD and testing, mentor engineers, and help modernize platforms. Strong backend, distributed systems, observability, and collaboration with product and architecture teams are

Qualifications

• 6+ years of professional backend software engineering.
• Strong production depth in Golang or Node.js.
• Hands-on AWS serverless design and operation experience.

Responsibilities

• Design and deliver complex backend features end to end.
• Contribute to architecture and technical roadmap.
• Build high‑throughput, data‑intensive systems with correctness.
• Own production health with observability and SLOs.
• Mentor engineers and promote best practices.
• Enhance CI/CD pipelines and testing strategies.
• Leverage AI tooling to boost productivity without compromising quality.

Skills

Golang

Node.js

AWS

Serverless

Distributed systems

Observability

Databases

Leadership

CI/CD

Tools

AWS CDK

OpenTelemetry

Datadog

Job description

oOh!media, Australia’s leading Out of Home company, is seeking a Senior Software Engineer based in Sydney. You’ll own complex backend features in a high‑throughput domain for inventory availability and campaign scheduling, using Golang and Node.js on AWS.

You’ll design scalable, event‑driven, serverless systems, improve CI/CD and testing, mentor engineers, and help modernize platforms. Strong backend, distributed systems, observability, and collaboration with product and architecture teams are