Replit
Software Development Platform
StaffSoftwareEngineer,Trust&Safety
“Staff Software Engineer, Trust & Safety at Replit. Skills: LLM Guardrails, AI-powered detection, Abuse detection systems, Automated response mechanisms. Design LLM guardrails. Build AI-powered detection systems”
What You'll Achieve.
Stay ahead of attackers; Ship systems that stop abuse at scale; Enforce platform policies without manual intervention; Turn investigation findings into new detection rules; Continuously monitor user activity; Meet tight performance SLAs; Measure detection effectiveness
Industry & Context.
Investigate complex abuse patterns; Translate findings into automated defenses; Adapt defenses as attack patterns evolve
In-office requirement of Monday, Wednesday, and Friday
What They're Looking For.
Must Have
8+ years of experience in security engineering, anti-abuse, trust & safety, or fraud detection, programming skills in Python and/or TypeScript for building detection systems and automation, Experience with SQL and data analysis at scale (BigQuery, Snowflake, or similar), Experience building or fine-tuning ML/LLM-based classifiers for security or abuse detection, Ability to investigate complex abuse patterns and translate findings into automated defenses
Nice to Have
Experience at a platform company dealing with user-generated content or compute abuse, Background in fraud detection, payment abuse, or financial crime, Familiarity with device fingerprinting, IP reputation, and email validation services, Experience with CI/CD security tooling (SAST, SCA, Dependabot, Snyk), Knowledge of container security, Linux internals, or cloud infrastructure (GCP preferred), Prior work with abuse reporting pipelines, trust & safety tooling, or content moderation systems
What You'll Do.
Design LLM guardrails
Build AI-powered detection systems
Build abuse detection systems
Design automated response mechanisms
Own abuse response lifecycle
Analyze attack patterns
Maintain internal detection tools
Integrate security scanners
How You'll Work.
Team & Collaboration
Working across Security, Support, Legal, and Engineering teams; Partnering closely with Support, Legal, and cross-functional teams
Communication Scope
Clear communication skills
Applying for this Staff Software Engineer, Trust & Safety role?
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