Remote Backend Security Engineer — Part-Time Contractor

24-Mag Llc; New York (NY); Remote; USD 41,000 - 138,000; Part time

Benefits offered by this job

Flexible schedule

Remote work

Job summary

24-MAG LLC is offering a remote consulting engagement for an experienced Backend Security Engineer. You will craft realistic coding tasks, assess backend systems, and verify solutions with deterministic testing while focusing on secure design and reliable APIs.

The role emphasizes back-end development, security reviews, bug fixes, and performance optimization across languages like Java, Node.js, Go, Rust, TypeScript, Python, and C++. Expect flexible hours and project-based compensation.

Qualifications

• Extensive backend security and software engineering experience.

Responsibilities

• Develop and evaluate backend services with multiple languages.
• Apply secure-coding principles across realistic scenarios.
• Review backend architectures for reliability, scalability and security.
• Identify risky implementation choices and reduce exposure.
• Use strong engineering judgement across production-style codebases.
• Evaluate code for security weaknesses and perform penetration testing.
• Identify CWE/OWASP patterns and propose safe solutions.
• Provide clear technical reasoning for issues found.
• Design challenging coding tasks with clear requirements.
• Implement features and bug fixes in production codebases.
• Refactor to improve readability and performance while keeping behavior.

Skills

Backend engineering

Secure coding

Application security

Penetration testing

Vulnerability assessment

Debugging

Performance optimisation

Java

Node.js

Go

Rust

TypeScript

Python

C++

Tools

Java

Node.js

Go

Rust

TypeScript

Python

C++

Job description

24-MAG LLC is offering a remote consulting engagement for an experienced Backend Security Engineer. You will craft realistic coding tasks, assess backend systems, and verify solutions with deterministic testing while focusing on secure design and reliable APIs.

The role emphasizes back-end development, security reviews, bug fixes, and performance optimization across languages like Java, Node.js, Go, Rust, TypeScript, Python, and C++. Expect flexible hours and project-based compensation.