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Senior Software Engineer, Trust & Safety at Vercel. Location Information: United States. The platform for frontend developers. Creators and maintainers of Next.js.. 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 disrupt 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.. 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.. Pay range:. $196K - $294K. 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.