Whatnot
Software Engineer, Trust Experience
$170K–$230K
San Francisco, CA +1 · Remote · Full-time · Posted Dec 2, 2025
- Location
- San Francisco, CA
Los Angeles, CA - Experience
- 4+ years total software engineering experience; 1+ years writing production code in Python; 1+ years in Trust and Risk, Integrity, or Fraud preferred.
- Education
- Bachelor’s degree in Computer Science, Statistics, Applied Mathematics, Economics, or a related technical field, or equivalent work experience.
About the job
Build and improve systems, algorithms, and event-driven detection pipelines that prevent abuse and fraud while protecting user experience on Whatnot.
What you'll do
- Develop and monitor production systems to mitigate risks and respond to high-risk behavior in near real time.
- Assess protective systems’ impact on trusted users and iterate on defenses against emerging abuse patterns.
- Lead work across the development lifecycle and collaborate with product, operations, and leadership teams.
What they ask for
- 4+ years of total software engineering experience.
- Bachelor’s degree in Computer Science, Statistics, Applied Mathematics, Economics, or a related technical field, or equivalent work experience.
- 1+ years of experience writing production code in Python.
- Ability to work autonomously, lead initiatives across product areas, and communicate findings to leadership and product teams.
Nice to have
- 1+ years of experience in Trust and Risk, Integrity, or Fraud domains.
- Data science or machine-learning experience; familiarity with data warehouses and transformation tools such as Snowflake, dbt, or Dagster.
Pay
$170K - $230K (base salary; currency not stated)
Tools
Python, Snowflake, dbt, Dagster
AI focus
Uses machine learning and behavioral analysis for detection and prevention of abuse; explicit data science or machine-learning experience is a plus.
Model-written summary · the original posting is authoritative