Backend Security Engineer | US$30–US$100/hour | Micro1 Contractor

Backend Security Engineer | US$30–US$100/hour | Micro1 contractor opportunity Micro1 is seeking experienced backend engineers to help train next-generation AI systems by creating realistic coding tasks involving feature implementation and bug fixes, together with deterministic verifiers that accept valid solutions. Micro1 is looking for strong backend experience in Java, Node.js, Go, Rust, TypeScript, Python, C++ or similar; a record of building scalable services and APIs; debugging, performance and automated-testing skills; and sound code-review judgment. Secure coding, AppSec, penetration testing, vulnerability assessment, OWASP/CWE or security-focused reviews are a plus. Engagement: Independent contractor, remote, approximately 15 hours per week, with a flexible schedule. Micro1 advertises US$30–$100/hour. Compensation is output-based and paid per task that meets project specifications. Completion time varies with experience and workflow; minimum weekly task submissions apply. The advertised hourly range is not a guaranteed hourly wage. Selection includes screening questions, an approximately 30-minute AI interview, a technical assessment if required and hiring-manager review. Micro1 asks applicants to complete interviews and assessments without outside assistance. Selected contributors should be ready to begin initial tasks within 24–48 hours of completing onboarding. Apply directly to Micro1 using this tracked referral link: https://jobs.micro1.ai/post/6818a81f-b736-4734-8700-aa3375ab5cc4?referralCode=46a969bd-7bd2-438f-9052-676100161812&utm_source=referral&utm_medium=share&utm_campaign=job_referral I’m sharing this opportunity as an independent referrer and may receive a referral payment if you apply through my Micro1 “apply here” above and meet Micro1’s referral conditions. I’m not part of Micro1’s hiring team. Apply through the Micro1 link attached to this listing, and please direct questions about the role or application to Micro1.