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Xperteez Technology

๐ŸŒ Backend Security Engineer, Remote - Contract

Posted a month ago
$30 - $100 per hour
2-5 years experience
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AI Summary

You will apply your technical expertise to train next-generation AI systems by providing high-quality, real-world input. The role involves building scalable services, performing security audits, and optimizing backend performance.

Job Type: Contract

Location: Remote

Schedule: Flexible, you pick the hours and days (including weekends if desired)

Required Skills:

  • Python3

  • JAVA

  • Rust

  • Algorithms

  • Basics C++

  • Typescript

  • Bug fixing

  • Feature implementation

  • Codebase refactoring

  • Performance optimization

  • Pentesting

  • Security audit

Job Summary: 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 โ€” your domain knowledge is what matters.

What we're looking for:

  • Strong backend experience in Java, Node.js, Go, Rust, Typescript, Python, C++ or similar

  • A track record building scalable services and APIs

  • Comfort with debugging, performance work and automated testing

  • Solid code review instincts

  • A cybersecurity or SecOps background is a big plus โ€” secure coding, appsec, pentesting, vulnerability assessment, OWASP/CWE, or security-focused reviews.

Preferred Qualifications:

  • Proven experience in backend development, with a track record of delivering high-quality and performant projects.

  • Background in cybersecurity, such as penetration testing, vulnerability assessment, or security code reviews.

  • Demonstrated success in identifying and resolving 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.

  • Excellent analytical, problem-solving, and technical communication skills.

Compensation Structure:

Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expertโ€™s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week.

Start Timeline & Availability:

We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24โ€“48 hours of completing onboarding.

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