Software Engineer (Trust & Safety)

TL;DR

Software Engineer (Trust & Safety): Building and operating systems to protect millions of developers and projects from abuse at internet scale with an accent on threat actor behavior analysis and LLM-driven detection. Focus on designing production-ready mitigations and scalable defenses to disrupt abusive patterns.

Location: Hybrid (SF, NY, London, or Berlin) with anchor days (Mon, Tue, Fri), or fully remote if located beyond commuting distance of these offices

Salary: $208,000 - $312,000 (SF base pay)

Company

Vercel is the agentic infrastructure company and the team behind Next.js, v0, and AI SDK, enabling builders to move from idea to production with speed and security.

What you will do

• Analyze threat actor behavior and evolving abuse patterns across large datasets to inform detection logic and policy decisions.
• Research and implement state-of-the-art LLM-driven techniques for abuse detection, classification, and prevention.
• Design and develop production-ready systems to detect and disrupt abusive behavior across the platform.
• Build and maintain internal tools, datasets, and evaluation pipelines for trust and safety workflows.
• Collaborate with security, product, and infrastructure teams to transition research into 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 with LLMs, including prompt engineering, evaluation, and fine-tuning.
• Solid understanding of cloud infrastructure, specifically AWS.
• Strong understanding of real-world threat actor behavior and abuse tactics.
• Experience owning systems end-to-end, from research to production deployment.

Culture & Benefits

• Competitive compensation package, including equity.
• Inclusive healthcare package.
• Mentorship and support for attending events to build networks and skills.
• Flexible time off.
• Provision of necessary gear and a WFH budget for home office setup.