Cybersecurity RL Environment Reviewer – Offensive, AppSec

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. Review cybersecurity reinforcement-learning environments for offensive-security and application-security tasks .

Posted 10/13/2026part-timeRemote • United StatesMid-LevelSenior💰 $65 - $250 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in identifying and validating vulnerabilities in web applications and APIs, with proficiency in multiple programming languages for tracing data paths. Strong written communication skills are essential for justifying vulnerability assessments and decisions.

Highest-signal resume keywords

Vulnerability ValidationPenetration TestingPython ProgrammingSecurity CertificationBug Bounty Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Vulnerability AssessmentExploit ConstructionCode ReviewWeb Application SecurityAPI SecurityBackend Services SecurityPythonJavaScriptJavaGo

Soft Skills

Self-DirectedClear CommunicationAsynchronous Work

Certifications & Qualifications

OSCPOSWEOSCEEJPTECPPTGWAPT

Industry Keywords

Offensive SecurityApplication SecurityRed TeamingCTF ExperienceBug Bounty

Tech Stack

Tools & technologies

Cyber SecurityJavaJavaScriptPythonRustTypeScriptC++Go

About the role

Key responsibilities & impact

Review cybersecurity reinforcement-learning environments for offensive-security and application-security tasks
Review codebases and described vulnerabilities to confirm they are real, reachable, and findable using only the provided context
Verify patching-task grading fails while an exploit works and passes only after the vulnerability is genuinely fixed
Trace or attempt intended exploit paths to confirm exploit-construction tasks are achievable within the stated constraints
Flag inconsistent files, missing context, unclear requirements, and task ambiguity
Write a clear justification for every accept, reject, or flag decision
Complete a paid sample review before starting regular work

Requirements

What you’ll need

Hands-on experience finding and validating real vulnerabilities in web applications, APIs, or backend services through bug bounty, penetration testing, red teaming, or AppSec engineering
Comfortable reading unfamiliar code in Python, JS/TS, Java, Go, C/C++, or Rust well enough to trace a vulnerable data path
Able to clearly explain in writing why a vulnerability is or isn't real and reachable
Reliable and self-directed, comfortable working asynchronously with limited day-to-day oversight
Active or past bug bounty track record is nice to have
CTF experience is nice to have
Security certification such as OSCP, OSWE, OSCE, eJPT, eCPPT, or GWAPT is nice to have
Prior experience evaluating or grading other people's security findings is nice to have
Must be currently authorized to work in the US
Must indicate whether sponsorship will be needed now or in the future

Benefits

Comp & perks

Part-time, flexible-hours work
Paid sample review (one task, roughly 30–45 minutes)