Senior Software Developer

• Octane Systems develops enterprise software solutions for the fuel and energy industry across New Zealand, Australia, and Canada.
• Our platform connects ERP, mobile applications, APIs, fuel industry systems, and third-party integrations to help customers run critical business operations.
• We're looking for a Senior Software Developer who combines hands-on development with mentoring, technical guidance, and strong software design capability.
• This is a senior hands-on development role with responsibility for mentoring, technical guidance, and contributing to the continuous improvement of Octane's engineering practices.
• You'll work across our ERP platform, integrations, APIs, mobile applications, and modern web solutions while helping strengthen engineering standards, implementation quality, and technical delivery.

You will

• Design and develop high-quality software solutions.
• Lead detailed technical design and implementation decisions, working with the Solution Architect on significant architectural decisions.
• Mentor developers through technical guidance, code reviews, pairing, and knowledge sharing.
• Contribute to backlog refinement by helping decompose approved Features into clear, estimable, development-ready PBIs.
• Identify technical dependencies, delivery risks, and opportunities to improve maintainability.
• Support sprint planning and help the team establish realistic technical delivery commitments.
• Promote practical engineering standards, secure development practices, and maintainable solutions.
• Provide technical input into product and technology decisions.
• Help shape how AI-assisted development is adopted across the business.

Core Requirements

• 8+ years of commercial software development experience.
• Strong C# and .NET expertise.
• Advanced SQL and database design skills.
• Strong experience in software design, technical design, and contributing to solution architecture.
• Strong API and integration development experience.
• Experience with CI/CD pipelines and modern DevOps practices.
• Experience developing, deploying, or supporting software in a cloud environment.
• Demonstrated experience mentoring other developers.
• Strong problem-solving and communication skills.
• Proficiency using AI-assisted development tools such as GitHub Copilot, Cursor, ChatGPT, Claude, or equivalent.

Desirable Experience

• ASP.NET MVC and modern web development.
• .NET MAUI or mobile development.
• Azure services and infrastructure.
• ERP, logistics, transport, or fuel industry systems.
• AI agents, workflow automation, or machine learning technologies
• Agile delivery, backlog refinement, and sprint planning.
• Why Join Us?
• Influence technical direction and architecture.
• Work on complex real-world business systems.
• Help shape modern AI-enabled development practices.
• Collaborate with experienced product and engineering leaders.
• Join a company that values innovation, ownership, and continuous improvement.
• Opportunity to grow into broader technical leadership as the team evolves.