Software Engineer, Trust & Safety - Vercel

About Vercel

Vercel is the agentic infrastructure company. We create products like Next.js, v0, and the AI SDK that help builders move from idea to production with speed, security, and exceptional developer experience. We are building the platform for the next generation of software, trusted by companies like OpenAI, PayPal, and millions of developers worldwide.

The Role

As a Software Engineer on our Trust & Safety team, you will build and operate systems that protect millions of developers and projects from abuse at internet scale. This role blends security engineering, data analysis, and applied LLM techniques to turn evolving threats into scalable defenses.

Note: This role is hybrid for those within commuting distance of our offices (SF, NY, London, or Berlin) with anchor days on Monday, Tuesday, and Friday. It is fully remote for those outside of these distances.

What You Will Do

• Analyze threat actor behavior and abuse patterns across large, heterogeneous datasets to inform detection logic and policy.
• Research, prototype, and implement state-of-the-art LLM-driven techniques for abuse detection and prevention.
• Design and develop production-ready systems to detect and disrupt abusive behavior.
• Build, maintain, and fine-tune internal tools, datasets, and evaluation pipelines.
• Collaborate with security, product, and infrastructure teams to scale research into production systems.

About You

• 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 through production deployment.

Benefits

• Competitive compensation package, including equity.
• Inclusive Healthcare Package.
• Mentorship and support for professional development and networking.
• Flexible Time Off.
• Gear provided and a WFH budget to outfit your space.