Jobs → QA & Testing → Red-Team / QA Reviewer

About the Role Jupiter AI Labs is seeking a skilled Red-Team / QA Reviewer with an attacker mindset and strong technical expertise. This role involves identifying bugs, exploiting weaknesses in test cases, reviewing unfamiliar code, and uncovering edge cases that others might miss. Key Responsibilities • Review technical tasks across multiple categories to identify weaknesses and potential failure points. • Evaluate test cases by attempting to pass them without implementing the intended solution. • Identify bugs, loopholes, edge cases, and weaknesses in code and testing logic. • Analyze unfamiliar codebases quickly and identify potential vulnerabilities. • Assess test reliability, robustness, and resistance to unintended solutions. • Work with Linux environments, Docker containers, permissions, and namespaces. • Investigate pytest behavior and testing framework internals to identify gaps in test coverage. • Provide clear, actionable feedback to improve code quality and test reliability. Requirements • 4+ years of experience in Software Engineering, SRE, or Security, OR 3+ years of CTF experience. • Proven track record of identifying bugs in other people's code through code reviews, QA, penetration testing, or bug bounty programs. • Strong understanding of Linux internals, including permissions, namespaces, and system-level behavior. • Hands-on experience with Docker and pytest internals. • Ability to read and understand unfamiliar code quickly. • Strong debugging, analytical, and problem-solving skills. • An adversarial mindset with attention to detail and the ability to uncover unexpected failure scenarios.