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Backend Security Engineer Remote

YO AI Labs

Job Location:

New York City, NY - USA

Monthly Salary: Not provided by the employer

Posted: 24 September 2026 (13 hours ago)

Application Deadline: 22 December 2026

Vacancies: 1 Vacancy

Job Summary

Senior Software Engineer Cybersecurity & Backend

Job Type: Contractor (15 hrs/week)
Location: Remote
Schedule: Flexible

Required Skills

Python 3 Java Rust TypeScript C
Algorithms & Data Structures
Bug Fixing & Feature Implementation
Codebase Refactoring
Performance Optimization
Penetration Testing
Security Auditing

Job Summary

Work on challenging coding and security tasks designed to help train next-generation AI systems. Youll create realistic coding problems implement features and bug fixes and build deterministic verifiers to evaluate solutions.

What Were Looking For

Strong backend development experience in Java Go Rust TypeScript Python C or similar
Experience building scalable services and APIs
Strong debugging performance optimization and automated testing skills
Solid code review and software engineering practices
Experience with cybersecurity penetration testing vulnerability assessment or security audits
Familiarity with secure coding AppSec OWASP and CWE is a plus

Responsibilities

Develop and debug complex software
Implement new features and resolve software issues
Refactor and optimize existing codebases
Create realistic coding and security tasks
Develop reliable deterministic verification systems
Identify vulnerabilities and potential security risks
Apply strong algorithms data structures and software engineering principles

Preferred Qualifications

Proven backend development experience
Cybersecurity or security engineering background
Experience with penetration testing or security audits
Strong understanding of algorithms data structures and computer science fundamentals
Excellent analytical problem-solving and technical communication skills

Apply Now