Cyber Security Engineer (Remote-Worldwide)

Micro1; United States; Remote; USD 83,000 - 138,000; Part time

Job summary

micro1 is recruiting a Cyber Security Engineer on a contractor basis (roughly 15 hours per week). This remote role invites you to analyze and fix bugs, implement features in multiple languages, and improve security across diverse codebases.

You will contribute to backend work and help train next-generation AI systems with real-world input. The ideal candidate has strong skills in cybersecurity practices, bug fixing, and backend optimization, plus the ability to document findings for actionable

Qualifications

• Must be able to analyze, debug, and resolve bugs across diverse codebases.
• Experience with Python3, Java, Rust, Go, C++, or TypeScript for feature development.
• Ability to refactor legacy code to boost maintainability and security.
• Perform codebase audits, penetration testing, and security assessments.
• Document findings and provide insights to improve AI training datasets.

Responsibilities

• Analyze, debug, and resolve software bugs across diverse codebases.
• Implement features and enhance functionality in Python3, Java, Rust, Go, C++, or TS projects.
• Refactor legacy code to improve maintainability, security, and performance.
• Perform codebase audits and security assessments to identify risks.
• Contribute to backend development and optimize performance for scalability and security.
• Document findings and provide insights to improve AI training datasets.

Skills

Python3

Java

Rust

Go

C++

TypeScript

Backend development

Security practices

Job description

Job Type:Contractor (~15 hrs a week)

Location:Remote

Schedule:Flexible, you pick the hours and days (including weekends if desired)micro1 is selecting Cyber Security Engineers to contribute technical expertise to a dynamic customer project. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

What we're looking for:

1. Analyze, debug, and resolve software bugs and vulnerabilities across diverse codebases.
2. Implement new features and enhance existing functionality in projects using Python3, Java, Rust, Go, C++, or TypeScript.
3. Refactor legacy code to improve maintainability, security, and performance.
4. Perform codebase audits, penetration testing, and other security assessments to identify and mitigate risks.
5. Contribute to backend development and optimize application performance for scalability and security.
6. Document findings, suggest improvements, and provide real-world insights to improve AI training datasets.

Preferred Qualifications:

1. Expertise in one or more languages: Python3, Java, Rust, Go, C++, or TypeScript.
2. Proven experience in debugging, bug fixing, and backend development for complex systems.
3. Strong background in cybersecurity practices, including pentesting, security audit, and vulnerability assessment.
4. Proficiency in algorithms, codebase refactoring, and optimizing software for performance and security.
5. Ability to communicate complex technical findings clearly and concisely.
6. Familiarity with secure software development lifecycles and modern threat landscapes.
7. Experience contributing to AI-related or data-driven projects is a plus, but not required.

Process: