Replit is the fastest way to turn ideas into software. With our powerful AI-powered Agent and Assistant, anyone can create and launch apps from natural language in just one click. Build and deploy full-stack applications directly from your browser—no setup required. Never written a line of code in your life? No problem. Replit makes software creation accessible, collaborative, and lightning-fast. Join us in our mission to empower the next generation of builders. About the role:Join us at the forefront of AI coding security as we tackle one of the most critical challenges in software development today. Youll pioneer industry-leading research on vibe coding security, working directly with our cutting-edge AI Agent to make code generation safer and more secure. This is a unique opportunity to shape the future of AI-assisted development and lead the industry.You will:<ul><li>Lead the industry on vibe coding security research and prevention techniques.</li><li>Model threats on new features in development, shaping them to be more secure.</li><li>Select and implement security scanning tools both for Replit’s codebase and user applications.</li><li>Improve Replit’s AI Agent to produce more secure code, and to detect and fix issues when they occur.</li></ul>Required skills and experience:<ul><li>7+ years of experience in security with at least 3 years in a senior/lead role</li><li>Experience with security tools and technologies (SIEM, SAST, DAST)</li><li>Experience with threat modeling and exposing vulnerabilities in applications</li><li>Strong understanding of cryptography, PKI, and secure communication protocols </li></ul>Preferred Qualifications<ul><li>Knowledge of sandbox technologies and secure code execution environments</li><li>Experience with threat intelligence and security research</li><li>Previous experience at a high-growth technology company </li></ul>Bonus Points:<ul><li>Experience partnering with leading companies on security research</li><li>Experience with securing AI/agentic systems</li><li>Open source security project contributions</li></ul>What we value<ul><li>Problem-solving mindset: Ability to approach complex operational challenges systematically and devise effective solutions</li><li>Self-directed and autonomous: Capable of working independently while collaborating effectively with cross-functional teams</li><li>Strong communication skills: Ability to explain complex technical concepts to both technical and non-technical audiences</li><li>Continuous learning: Passion for staying current with industry best practices and new technologies</li><li>Focus on automation: Strong belief in automating repetitive tasks and building self-healing systems</li></ul>Full-Time Employee Benefits Include💰 Competitive Salary &amp; Equity💹 401(k) Program⚕️ Health, Dental, Vision and Life Insurance🩼 Short Term and Long Term Disability🚼 Paid Parental, Medical, Caregiver Leave🚗 Commuter Benefits📱 Monthly Wellness Stipend🧑‍💻 Autonoumous Work Environement🖥 In Office Set-Up Reimbursement🏝 Flexible Time Off (FTO) + Holidays🚀 Quarterly Team Gatherings☕ In Office Amenities Want to learn more about what we are up to?<ul><li><a target="_blank" href="https://www.youtube.com/watch?v=IYiVPrxY8-Y">Meet the Replit Agent</a></li><li><a target="_blank" href="https://www.youtube.com/watch?v=4zd9hzngFwY">Replit: Make an app for that</a></li><li><a target="_blank" href="https://blog.replit.com/">Replit Blog</a></li><li><a target="_blank" href="https://youtu.be/kCudFI4tcpg?si=l4ViCejV_f2RZkDi">Amjad TED Talk</a></li></ul>Interviewing + Culture at Replit<ul><li><a target="_blank" href="https://blog.replit.com/operating-principles">Operating Principles</a></li><li><a target="_blank" href="https://blog.replit.com/reasons-not-to-join-replit">Reasons not to work at Replit</a></li></ul>To achieve our mission of making programming more accessible around the world, we need our team to be representative of the world. We welcome your unique perspective and experiences in shaping this product. We encourage people from all kinds of backgrounds to apply, including and especially candidates from underrepresented and non-traditional backgrounds.This is a full-time role that can be held from our Foster City, CA office. The hybrid role has an in-office requirement of Monday, Wednesday, and Friday.

Repl.it

Lead Application Security Engineer

Repl.it

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