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Salary: USD 208,000 - 312,000 / annual
Vercel is seeking a Senior Software Engineer for its Trust & Safety team to build and operate systems protecting millions of developers and projects from abuse at internet scale. This role combines security engineering, data analysis, and applied machine learning to detect and mitigate evolving threats on the Vercel platform.
Key responsibilities include analyzing threat actor behavior and abuse patterns across large datasets to inform detection logic and scalable mitigations; researching and implementing state-of-the-art LLM-driven techniques for abuse detection, classification, and prevention; designing and developing production-ready systems that detect and disrupt abusive behavior; building and maintaining internal tools, datasets, and evaluation pipelines for trust and safety workflows; and collaborating with security, product, and infrastructure teams to translate research into stable, scalable production systems.
Required qualifications: 5+ years 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 (AWS); strong knowledge of real-world threat actor behavior and abuse tactics; and experience owning systems end-to-end from research through production deployment.
Vercel is the infrastructure platform behind Next.js, v0, and AI SDK, trusted by OpenAI, PayPal, Ramp, and millions of developers worldwide. The role offers competitive compensation ($208k–$312k base in SF), equity, healthcare, mentorship, flexible time off, and work-from-home support. Candidates based near SF, NY, London, or Berlin offices are expected for in-office anchor days Monday, Tuesday, and Friday; those beyond commuting distance work fully remote.
