Staff Software Engineer - Inventory & Campaign Scheduling

About the role

oOh!media, the largest out-of-home advertising company in Australia and New Zealand, is hiring a Staff Software Engineer for a full-time, permanent position in Sydney with four days per week in the office. This is a senior individual contributor role owning a core commercial domain that manages inventory availability and campaign scheduling across its national network, supporting sales teams in planning, quoting and scheduling campaigns.

Key responsibilities

• Own the subdomain's technical strategy, architecture and technology roadmap, aligned with wider engineering leadership.
• Deliver complex backend work and set patterns others can build on.
• Design for correctness, data integrity and performance in high-throughput, concurrent systems.
• Establish end-to-end observability, including distributed tracing, SLIs and SLOs.
• Lead platform modernisation, including migration and decommissioning of existing services.
• Mature CI/CD with automated testing, production safety and reliable rollback.
• Lead design and PR reviews and mentor engineers through hands-on technical leadership.
• Provide technical input behind delivery commitments and represent engineering in domain discussions.
• Champion secure use of AI-assisted engineering tools and champion simple, pragmatic solutions.

Required profile

• Proven staff or strong senior-level backend experience, ideally in Golang or Node.js.
• Hands-on experience building and operating event-driven, serverless systems on AWS (Lambda, SQS, SNS, EventBridge).
• Track record of protecting data integrity in high-throughput, concurrent systems.
• Demonstrated technical leadership through mentoring, design reviews and engineering standards, without relying on line authority.
• Excellent communication and stakeholder management across technical and commercial audiences.
• Australian citizenship or permanent residency with full working rights in Australia.

Required skills

• Observability and reliability practice, including distributed tracing and SLIs/SLOs.
• Experience with DynamoDB or Aurora DSQL, CI/CD, config as code, contract and integration testing, and infrastructure as code such as AWS CDK.
• Experience modernising legacy services and applying AI-native engineering practices.
• AdTech, inventory management or scheduling experience is desirable but not essential.

What we offer

• Modern offices with good amenities and easy transport access.
• Competitive salary and bonus opportunities.
• Career development and learning opportunities.
• Generous parental leave and wellbeing support, including EAP access.
• Team events, social activities, recognition programs, wellness initiatives and discounts.