GR
Cyber Security Engineer - Backend & Pen Testing
Great Value Hiring
Remote
Posted 19 Oct 2026
Closing: 18 Nov 2026
Permanent
Remote
Competitive
Role Description & Technical Scope
Cyber Security Engineer ($30 - $100/hour)
Role Responsibilities
- Analyze, debug, and resolve software bugs and vulnerabilities across diverse codebases
- Implement new features and enhance existing functionality in projects using Python3, Java, Rust, Go, C++, or TypeScript
- Refactor legacy code to improve maintainability, security, and performance
- Perform codebase audits, penetration testing, and other security assessments to identify and mitigate risks
- Contribute to backend development and optimize application performance for scalability and security
- Document findings, suggest improvements, and provide real-world insights to improve AI training datasets
- Expertise in one or more languages: Python3, Java, Rust, Go, C++, or TypeScript
- Proven experience in debugging, bug fixing, and backend development for complex systems
- Strong background in cybersecurity practices, including pentesting, security audit, and vulnerability assessment
- Proficiency in algorithms, codebase refactoring, and optimizing software for performance and security
- Ability to communicate complex technical findings clearly and concisely
- Familiarity with secure software development lifecycles and modern threat landscapes
- Experience contributing to AI-related or data-driven projects is a plus, but not required
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. #J-18808-Ljbffr
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Key Details
- Date Posted: 19 Oct 2026
- Location: Remote
- Employment: Permanent
- Workplace: Remote
- Domain: IT & Technology
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GR
Great Value Hiring
Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
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