🌍 Backend Security Engineer, Remote - Contract

Reposted 7 Days Ago
Hiring Remotely in United States
Remote
Entry level
HR Tech • Information Technology • Professional Services • Consulting
The Role
Build and secure scalable backend services and APIs while debugging, optimizing performance, implementing features, refactoring codebases, and conducting security reviews and penetration testing. The role also involves automated testing, code review, vulnerability assessment, and contributing domain expertise to training next-generation AI systems.
Summary Generated by Built In

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 — 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 — 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 expert’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 24–48 hours of completing onboarding.

Skills Required

  • Strong backend development experience with Java, Node.js, Go, Rust, TypeScript, Python, C++, or similar technologies
  • Experience building scalable services and APIs
  • Experience with debugging, performance optimization, and automated testing
  • Strong code review skills
  • Python 3
  • Java
  • Rust
  • Algorithms and data structures
  • Foundational C++ knowledge
  • TypeScript
  • Bug fixing
  • Feature implementation
  • Codebase refactoring
  • Performance optimization
  • Penetration testing
  • Security auditing
  • Cybersecurity or SecOps background
  • Secure coding, application security, vulnerability assessment, OWASP/CWE, or security-focused review experience
  • Experience delivering high-quality, performant projects
  • Experience identifying and resolving software bugs and system bottlenecks
  • Experience refactoring codebases and implementing complex features in large-scale applications
  • Strong analytical, problem-solving, and technical communication skills
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The Company
Year Founded: 2012

What We Do

Xperteez Technology is a business consulting and recruitment firm that bridges the gap between business needs and talent. The company specializes in providing IT consulting, digital marketing, and comprehensive recruitment solutions across various sectors, including BFSI, manufacturing, and e-commerce. They focus on connecting qualified job seekers with direct payroll opportunities at leading companies across India, emphasizing growth and technological excellence.

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