9h ago

Staff Software Engineer, Trust & Safety

Foster City, CA

$250k-$315k / year

full-timelead Hybridsoftware

๐Ÿ›  Tech Stack

๐Ÿ’ผ About This Role

You'll design and build AI-powered detection systems that stop phishing, cryptomining, and LLM abuse on a platform used by millions. Your work directly protects users and ensures platform integrity in an adversarial environment. This role is unique because you'll apply LLMs as a defensive tool against cutting-edge attack vectors like prompt injection.

๐ŸŽฏ What You'll Do

  • Design and implement **LLM guardrails** for AI-generated code
  • Build **AI-powered detection systems** using LLMs for abuse classification
  • Operate systems that detect phishing, cryptomining, and account takeover
  • Own the full abuse response lifecycle from detection to enforcement

๐Ÿ“‹ Requirements

  • 8+ years in security engineering, anti-abuse, or fraud detection
  • Strong programming in Python or TypeScript
  • Experience with SQL and data analysis at scale (BigQuery, Snowflake)
  • Experience building ML/LLM classifiers for security or abuse detection

โœจ Nice to Have

  • Experience at a platform company with user-generated content or compute abuse
  • Background in fraud detection or payment abuse
  • Knowledge of container security or cloud infrastructure (GCP)

๐ŸŽ Benefits & Perks

  • ๐Ÿ’ฐ Competitive Salary & Equity
  • โš•๏ธ Health, Dental, Vision and Life Insurance
  • ๐Ÿšผ Paid Parental, Medical, Caregiver Leave
  • ๐Ÿ๏ธ Flexible Time Off + Holidays
  • ๐Ÿ“ฑ Monthly Wellness Stipend

๐Ÿ“จ Hiring Process

Estimated timeline: 2-4 weeks ยท AI estimate

  1. 1Recruiter Callยท 30 min
  2. 2Technical Interviewยท 60 min
  3. 3On-site Interviewsยท 4 hours

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