Application Security Engineer at micro1

Application Security Engineer (AppSec) | $30–100/hr | Worldwide Remote

MICRO1 is seeking a skilled Application Security Engineer to join a high-impact team focused on securing software systems through rigorous testing, auditing, and code-level expertise. This is a contractor role ideal for security-minded engineers who thrive at the intersection of development and cybersecurity.

Key Responsibilities

• Conduct penetration testing and security audits across applications and infrastructure
• Identify, analyze, and remediate vulnerabilities in existing codebases
• Implement new security features and perform bug fixes across multiple languages
• Perform codebase refactoring and performance optimization to improve security posture and efficiency
• Collaborate with engineering teams to integrate security best practices throughout the development lifecycle

Required Skills

• Languages: Python 3, Java, Rust, TypeScript, C++ (fundamentals)
• Security: Penetration testing, security auditing, cybersecurity principles
• Engineering: Algorithm design, bug fixing, feature implementation, refactoring

Compensation

This role offers a competitive hourly rate of $30–$100/hr depending on experience and expertise level.

This is a remote contractor opportunity open to candidates worldwide.