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Security Engineer

Review code, investigate vulnerabilities, and improve secure software for AI training projects. This flexible contractor role expects about 15 hours per week and lists $30-$100 pay, with final terms varying by task.

Apply now

How the AI interview works

  1. Apply here on OpenTrain. You create a free account, and we send you to the hiring platform.
  2. Complete your application on the hiring platform.
  3. If you are shortlisted, you are invited to an AI interview.

What to expect

  • It is a conversational interview with an AI recruiter.
  • You can take it any time, from anywhere.
  • It asks open-ended technical questions based on the role, and scenario questions on how you think, solve problems and communicate.
  • Technical roles include a coding challenge.
  • You see right away whether you meet the certification criteria. If you do not, you can ask for feedback.
OpenTrain AI

Coding & Software

Remote Per task · $30–$100/hr equivalent

$30–$100/hr equivalent, paid per accepted task

Compensation

Contract, part-time

Engagement

Remote

Location

Sep 21, 2026

Posted

Open to applicants in

United States India Brazil

The work

You will use cybersecurity and software engineering skills to review code and produce practical findings for AI training datasets. The work covers debugging, security testing, backend development, and code quality across different codebases.

  • Debug and resolve software bugs and security vulnerabilities.
  • Build or improve features with Python 3, Java, Rust, Go, C++, or TypeScript.
  • Refactor older code to improve maintainability, security, and performance.
  • Audit codebases, conduct penetration testing, and assess vulnerabilities.
  • Support backend development and improve applications for scale and security.
  • Document technical findings and recommend improvements for AI training work.

What it pays and takes

This is a flexible, part-time individual contractor role. Compensation is output-based and tied to tasks that meet project specifications, so final terms may vary by project.

  • Listed compensation range: $30-$100 per hour.
  • Expected commitment: about 15 hours per week.
  • Work arrangement: part-time contract work.
  • Location: remote, open to applicants in Brazil, India, and the United States.
  • Language: professional fluency in English.
  • Strong cybersecurity knowledge in penetration testing, security audits, and vulnerability assessment.
  • Professional ability to write, debug, and optimize complex code in one or more listed languages.
  • Experience with backend development, bug fixing, algorithms, and codebase refactoring.
  • Familiarity with secure software development lifecycles and current threat landscapes.
  • Clear written and verbal communication of complex technical findings.
  • Prior AI experience is helpful but not required.

How it works

You apply here in about two minutes; the application finishes on the hiring platform, with a short AI interview if you are shortlisted.

About AI training work

AI training work is the human side of building artificial intelligence. Contributors review code, label data, write examples, or evaluate model outputs so AI systems can learn from useful, accurate feedback; people with cybersecurity and software engineering expertise are needed for specialist projects.

Requirements

  • Experience: Mid-Senior level
  • Languages: English

Ready to apply?

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