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micro1

Application Security Engineer (AppSec)

Posted 2026-09-22
Work Type
Remote
Location
Global
Compensation
$30 - $100/hr

About this opportunity

Overview

micro1 is seeking 300 experts for an Application Security Engineer (AppSec) contractor role focused on helping train next-generation AI systems. This is a remote position with a flexible schedule of about 15 hours per week, and applicants can choose their hours and days, including weekends if preferred.

What You'll Do

  • Create realistic, interesting, and challenging coding tasks for AI systems to solve.
  • Design tasks around feature implementation and bug fixing.
  • Build deterministic verifiers that accept valid solutions and reject incorrect ones.
  • Apply security and appsec knowledge to support high-quality task creation and review.

What They're Looking For

  • Strong backend development experience in Java, Node.js, Go, Rust, TypeScript, Python, C++, or similar languages.
  • Experience building scalable services and APIs.
  • Comfort with debugging, performance optimization, and automated testing.
  • Solid code review instincts.
  • Security-focused experience such as secure coding, appsec, pentesting, vulnerability assessment, OWASP/CWE, or security reviews is a strong plus.

Preferred Qualifications

  • Proven backend development experience with high-quality, performant delivery.
  • Background in cybersecurity, penetration testing, vulnerability assessment, or security code reviews.
  • Experience identifying and fixing software bugs and system bottlenecks.
  • Experience with codebase refactoring and implementing complex features in large-scale applications.
  • Strong understanding of algorithms, data structures, and foundational computer science concepts.
  • Strong analytical, problem-solving, and technical communication skills.

Process

  • Apply to the role and complete the screening questions.
  • Complete an AI interview of approximately 30 minutes.
  • Potential technical assessment.
  • Hiring manager review.

Additional Notes

  • This role is output-based, with compensation paid per task that meets project specifications.
  • Minimum submission requirements apply, and experts must submit a minimum number of tasks per week.
  • Selected candidates are expected to start first tasks within 24–48 hours after onboarding.
  • The interview and assessment process should be completed without outside assistance.

Skills & expertise

Python Java Rust TypeScript Cybersecurity Penetration Testing Debugging Performance Optimization

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