Vercel - Senior Software Engineer, Trust & Safety
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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. • 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.
Benefits
• 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 $196,000 - $294,000. 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. • Vercel is committed to fostering and empowering an inclusive community within our organization. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, national origin, citizenship, age, marital status, veteran status, disability status, or any other characteristic protected by law. Vercel encourages everyone to apply for our available positions, even if they don't necessarily check every box on the job description.
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