Machine Learning Engineer, Trust & Safety

About Vercel Vercel is the platform where humans and AI agents build, ship, and scale software together. Trusted by OpenAI, Meta, Ramp, and Supreme, we free the world to ship what's next.

Vercel

Agentic Infrastructure for every app and agent. Creators of AI SDK, Next.js, Turborepo, and v0.

Next.jsDeveloper VelocityOpen SourceDeveloper ExperienceReactand Web Development

V

vercel.com

501-1,000 employees

Software Development

San Francisco, California

2015

Privately Held

266k LinkedIn followers

Raised $863M

• Design, build, and operate production systems that detect and disrupt abusive behavior across the platform, with an emphasis on reliability, scalability, and observability
• Build and maintain machine learning (ML) infrastructure, including training pipelines, feature pipelines, serving infrastructure, and evaluation frameworks
• Ship large language model (LLM) and classical ML approaches for abuse detection and classification, turning prototypes into maintainable code
• Own systems end to end, from integrating a model into the platform through deployment, monitoring, and iteration
• Work with security, product, and infrastructure teams to turn abuse patterns and detection logic into production systems

Required

• 5+ years of software engineering experience building and operating production systems at scale
• Wrote production code in Python, plus JavaScript/TypeScript or Go
• Built and maintained ML infrastructure, such as training and serving pipelines, feature stores, or evaluation tooling
• Integrated LLMs into production systems, including prompt engineering and evaluation

Preferred

• Built an open source ML tool
• Worked in the trust and safety, fraud, or abuse prevention domain

• 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.
• The San Francisco, CA base pay range for this role is $208,000.00 - $312,000.00. Actual salary will be based on job-related skills, experience, and location. Compensation outside of San Francisco may be adjusted based on employee location. The total compensation package may include benefits, equity-based compensation, and eligibility for a company bonus or variable pay program depending on the role. Your recruiter can share more details during the hiring process.