Senior Software Engineer, Back end (Opal Platform)
- LocationSydney
- Work typeHybrid
- EmploymentFull-time
- Posted20 October 2026
- SourceQ Ctrl's careers page (Lever)
About the role
About the team
At Q-CTRL, Quantum Computing Engineering is a global team of software engineers and infrastructure experts, combining deep technical expertise with a startup mindset to deliver real impact through software innovation. Our work is underpinned by robust standards , and by embracing the three virtues . Our team excels in areas across back-end, front-end, machine learning, and platform engineering.
We transform Q-CTRL’s world-leading technological breakthroughs into commercial software products with applications across defense, research, and industry. We work closely with Product, Design, and Research teams to accelerate the path to quantum advantage worldwide.
About the role
As a Senior Back-end Software Engineer in the Opal Platform team you will be responsible for managing how users and partners can access the Q-CTRL products and how our own services interact with our platform.
You'll share ownership of the Python APIs and microservices that power Q-CTRL's quantum software products, used by customers worldwide. You'll work in an AI-native engineering team, where agentic tools handle the routine work so you can focus on design, quality and impact.
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