Machine Learning Engineer, Trust & Safety
About the Role:
We are looking for a Machine Learning Engineer on our Trust & Safety Engineering team, to build and operate the production systems that detect and stop abuse on the platform at internet scale. This is an engineering-first role, roughly 80% writing and shipping production code (services, pipelines, and infrastructure) and 20% modeling, taking detection and classification approaches from prototype to hardened systems. This is a hybrid role based in San Francisco or New York City, with three days a week in the office.
What you’ll do:
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
What you need:
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
Bonus if you:
Built an open source ML tool
Worked in the trust and safety, fraud, or abuse prevention domain
Compensation & 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 $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.