Vercel Software Engineer, Trust & Safety at Vercel builds and operates systems to protect developers from abuse at internet scale. Designs production-ready mitigations and applies LLM techniques for abuse detection.
Responsibilities
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.
Qualification
Hands-on experience working with LLMsCollaborate closely with securityExperience owning systems end-to-end
Required
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.
Collaborate closely with security, product, and infrastructure teams to bring research ideas into stable, scalable production systems.
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.