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Senior Software Engineer - Payments & Billing

Relevance AISydney, Australia
Hybrid Full-time A$1.2K/yr - A$1.2K/yr

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Experience Level

Senior

Qualifications

Qualifications:Proven experience in back-end development, particularly with billing systems. Strong programming skills in languages such as Python, Java, or Node.js. Familiarity with payment processing platforms, particularly Stripe and Orb. Experience in designing scalable architectures and data pipelines. Ability to work collaboratively in a hybrid team environment.

About the job

Location : Sydney, AU, Hybrid (3 days in office required)

About Us

At Relevance AI, we are on a mission to revolutionize the AI workforce. Our goal is to empower every team to leverage AI agents that think, act, and collaborate like seasoned experts.

Our platform enables users to create and manage intelligent agents that optimize workflows, make decisions, and enhance collaboration, all within a single, cohesive framework. Trusted by industry leaders such as Canva, Databricks, Confluent, Autodesk, Lightspeed, Rakuten, Aveva, Qualified, and Activision Blizzard, our technology helps organizations scale excellence in operations, marketing, and sales.

Backed by top investors including Bessemer Venture Partners, Insight Partners, Peak XV, and King River Capital, we successfully raised our Series B funding in April 2025 to propel our growth and innovate in the field of agentic automation.

With headquarters in San Francisco and Sydney, we foster a hybrid working model that thrives on curiosity, collaboration, and execution. Our pace is swift, our ambitions are grand, and our wins are shared.

In 2025, we were honored to be recognized as LinkedIn's #1 Startup in Australia.

If you aspire to shape the future of AI, we invite you to join our team.

The Role

Billing for AI products presents a unique technical challenge. High-volume event metering, token-based usage tracking, distributed workflows, and multi-dimensional pricing are not standard billing issues, and there is no ready-made solution.

We are seeking a back-end focused software engineer who is ready to take ownership of our core billing and payments systems. In this role, you will design, implement, and ensure the reliability and evolution of our systems, enabling accurate usage metering, timely invoicing, and scalable revenue collection.

This is a greenfield opportunity in a high-ownership, rapidly evolving AI company where you will manage real systems with significant stakes, coupled with the freedom to redesign the foundations as we expand.

You will engage with backend systems, integrate with Stripe and Orb, and develop internal data pipelines to guarantee that billing data is accurate, auditable, and resilient. This is your chance to architect new billing infrastructure that grows alongside company expansion while accommodating complex AI product usage models.

Your Impact

  • Design and maintain reliable billing infrastructure, ensuring accurate invoicing and revenue collection.

About Relevance AI

Relevance AI is at the forefront of AI-driven solutions, empowering teams to harness the potential of artificial intelligence in their workflows. Our innovative platform is trusted by leading companies and recognized as a top startup in Australia.

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