bluebill
bluebill
Security
Security Engineer
Create tasks where AI agents must find and fix real-world vulnerabilities, with tests that prove the fix holds.
- Pay
- $110 to $160 AUD an hour
- Hours
- 5 to 20 hours a week while a project runs. Project-based. Work is offered as customer projects open, and you choose when you work.
- Type
- Contract
- Location
- Remote (Australia and international)
- Posted
- 5 Oct 2026
Apply on a laptop or desktop with a camera and microphone.
What you will do
- Create runnable projects with realistic vulnerabilities such as injection, broken access control or unsafe deserialisation.
- Write tests that demonstrate each vulnerability safely and confirm the fix closes it.
- Explain severity, root cause and remediation.
- Review other engineers' tasks for realism, reproducibility and test quality.
What you will need
- 3+ years in application security or secure development.
- Fluent in at least one mainstream language.
- Clear written English.
Nice to have
- Penetration testing or bug bounty experience.
- Certifications such as OSCP.
How you are assessed
vulnerability realism, test quality, fix correctness, clear explanation.
Applications and work are reviewed against these criteria.
How to apply
A 20 minute video interview: five engineering questions, up to 3 minutes each.