Note: The job is a remote job and is open to candidates in USA. 24-MAG LLC is offering an independent contractor opportunity for Cyber Security Engineers to contribute to an advanced AI training and software-evaluation project. The role involves assessing and improving codebases through vulnerability remediation, security reviews, debugging, backend development, refactoring, and performance optimization.

Responsibilities

• Identify vulnerabilities and security weaknesses across diverse software systems
• Perform penetration testing, vulnerability assessment, and security-focused code review
• Evaluate application behaviour for exploitable or unsafe implementation patterns
• Recommend practical remediation approaches for identified risks
• Apply professional cybersecurity judgement across varied technical scenarios
• Analyse and resolve complex software bugs and technical defects
• Identify root causes across unfamiliar or evolving codebases
• Fix issues while preserving expected system behaviour
• Validate changes through appropriate testing and technical review
• Document debugging approaches and technical findings clearly
• Implement new features and enhance existing functionality
• Work across Python 3, Java, Rust, Go, C++, TypeScript, or comparable languages
• Contribute to backend services and production-quality software systems
• Apply strong algorithms, data structures, and engineering principles
• Design solutions with scalability, maintainability, and security in mind
• Refactor legacy code to improve maintainability, reliability, and security
• Identify software-performance bottlenecks and inefficient implementation patterns
• Optimise applications for scalability and operational performance
• Apply secure software-development lifecycle principles where relevant
• Balance technical performance with code quality and long-term maintainability
• Conduct codebase audits and document significant security findings
• Provide clear recommendations for technical and security improvements
• Communicate complex risks and engineering trade-offs concisely
• Contribute real-world technical insights to AI training and evaluation datasets
• Support consistent quality standards across security and software-engineering tasks

Skills

• Strong professional experience in cybersecurity, backend engineering, or secure software development
• Expertise in one or more of Python 3, Java, Rust, Go, C++, or TypeScript
• Proven experience debugging and resolving complex software issues
• Strong background in penetration testing, security auditing, and vulnerability assessment
• Experience reviewing code for security weaknesses and implementation risks
• Strong understanding of algorithms, data structures, and core computer-science concepts
• Experience refactoring mature or large-scale codebases
• Strong performance-optimisation and backend-development skills
• Familiarity with secure software-development lifecycles
• Good understanding of modern threat landscapes and common security risks
• Strong analytical and problem-solving ability
• Excellent technical communication and documentation skills
• Experience with AI-related or data-driven projects is advantageous

Benefits

• Fully remote
• Flexible schedule; contributors may choose their working hours and days, including weekends

Company Overview