Senior Software Engineer, Anti-Abuse & Security
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation.
What this role actually needs.
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. Responsibilities: - Design and implement LLM guardrails that detect abuse scenarios in AI-generated code and agent interactions - Build AI-powered detection systems that use LLMs to identify malicious patterns, classify threats, and automate response decisions - Build and operate abuse detection systems that identify phishing, cryptomining, account takeover, and financial fraud across millions of daily user actions - Design automated response mechanisms that enforce platform policies without manual intervention - Own the full abuse response lifecycle: detection, investigation, enforcement, and handling appeals alongside Support and Legal - Analyze attack patterns using BigQuery and Hex, turning investigation findings into new detection rules Benefits: - Meet the Replit Agent - Replit: Make an app for that - Replit Blog - Amjad TED Talk - Operating Principles - Reasons not to work at Replit Company context: Replit is the collaborative coding platform that turns natural language and prompts into deployed applications.
Day-to-day expectations
Replit lists these responsibilities for the Senior Software Engineer, Anti-Abuse & Security role.
- Design and implement LLM guardrails that detect abuse scenarios in AI-generated code and agent interactions
- Build AI-powered detection systems that use LLMs to identify malicious patterns, classify threats, and automate response decisions
- Build and operate abuse detection systems that identify phishing, cryptomining, account takeover, and financial fraud across millions of daily user actions
- Design automated response mechanisms that enforce platform policies without manual intervention
- Own the full abuse response lifecycle: detection, investigation, enforcement, and handling appeals alongside Support and Legal
- Analyze attack patterns using BigQuery and Hex, turning investigation findings into new detection rules
Why people would want this job
Replit published these compensation, benefits, or working-context details with the role.
- Meet the Replit Agent
- Replit: Make an app for that
- Replit Blog
- Amjad TED Talk
- Operating Principles
- Reasons not to work at Replit
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Hybrid roles in Foster City should be compared against commute, local salary bands, and nearby employer demand.
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Source: jobs.ashbyhq.com · Source ID: 5bdadf61-7955-46e8-8fdf-bd69818358b7 · Confidence: 92/100 · Last checked: May 7, 2026
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