Design and build systems for fraud detection and remediation while balancing fraud loss, cost of implementation, and customer experience.
Work closely with finance, security, product, research, and trust & safety operations to holistically combat fraudulent and abusive actors on our system.
Stay abreast of the latest techniques and tools to stay several steps ahead of determined and well resourced adversaries.
Utilize GPT-5 and future models to more effectively combat fraud and abuse.

Requirements

Have experience on a highly technical trust and safety team and/or have worked closely with policy, content moderation, or security teams.
Can use coding languages (Python preferred) to programmatically explore large datasets and generate actionable insights to solve problems.
Proven ability to propose, design, and run rigorous experiments (A/B tests, quasi-experiments, simulations) with clear insights and actionable product recommendations, leveraging SQL and Python.
Excellent communication skills with a track record of influencing cross-functional partners, including product managers, engineers, policy leads, and executives.
Bonus if you have experience with deploying scaled detection solutions using large language models, embeddings, or fine tuning.
5+ years of quantitative experience in ambiguous environments, ideally as a data scientist at a hyper-growth company or research org, with exposure to fraud, abuse, or security problems.

Benefits

Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
401(k) retirement plan with employer match
Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)
Mental health and wellness support
Employer-paid basic life and disability coverage
Annual learning and development stipend to fuel your professional growth
Daily meals in our offices, and meal delivery credits as eligible
Relocation support for eligible employees
Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

PythonSQLA/B testingquasi-experimentssimulationsdata analysislarge language modelsembeddingsfine tuningfraud detection

Soft Skills

communicationinfluencingcollaborationproblem-solvinganalytical thinkingcross-functional teamworkadaptabilitycritical thinkingleadershipcustomer experience focus