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Senior Software Engineer, Trust & Safety

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Vercel

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Location:
United States

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

196000.00 - 294000.00 USD / Year
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Job Description:

As a Senior Software Engineer on our Trust & Safety team at Vercel, you’ll build and operate systems that protect millions of developers and projects from abuse at internet scale. You’ll analyze real-world threat actor behavior, detect emerging abuse patterns across large datasets, and design production-ready mitigations to keep the platform safe without slowing developers. This role blends security engineering, data analysis, and applied LLM techniques, working closely with product, infrastructure, and security teams to turn evolving threats into scalable defenses.

Job Responsibility:

  • Analyze threat actor behavior and evolving abuse patterns across large, heterogeneous datasets to inform detection logic, policy decisions, and scalable mitigations
  • Research, prototype, and implement state-of-the-art LLM-driven techniques for abuse detection, classification, and prevention
  • Design and develop production-ready systems that detect and disruptive abusive behavior across the Vercel platform
  • Build, maintain, and fine-tune internal tools, datasets, and evaluation pipelines for trust and safety workflows
  • Collaborate closely with security, product, and infrastructure teams to bring research ideas into stable, scalable production systems

Requirements:

  • 5+ years of experience in abuse prevention, trust & safety, or security engineering
  • Strong programming skills in JavaScript/TypeScript and Python
  • Hands-on experience working with LLMs, including prompt engineering, evaluation, and fine-tuning
  • Solid understanding of cloud infrastructure, including AWS
  • Strong understanding of real-world threat actor behavior and abuse tactics
  • Experience owning systems end-to-end, from initial research through production deployment and iteration
What we offer:
  • Competitive compensation package, including equity
  • Inclusive Healthcare Package
  • Learn and Grow - we provide mentorship and send you to events that help you build your network and skills
  • Flexible Time Off
  • We will provide you the gear you need to do your role, and a WFH budget for you to outfit your space as needed

Additional Information:

Job Posted:
February 04, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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