Senior Data Scientist (AI)

TL;DR

Senior Data Scientist (AI): Developing machine learning features and models for device identification and fraud prevention with an accent on high-volume telemetry data and real-time risk signals. Focus on designing scalable ML pipelines, solving complex adversarial challenges, and driving model robustness in a production environment.

Location: Hybrid - San Francisco, CA; New York, NY; or Seattle, WA

Salary: $191,000 – $230,000

Company

hirify.global is a leading provider of digital identity verification and fraud prevention solutions, leveraging AI and machine learning to power accurate identity trust decisions.

What you will do

• Design and deploy advanced machine learning systems for device identification, anomaly detection, and fraud prevention.
• Develop scalable data pipelines and production ML workflows using structured and unstructured telemetry data.
• Investigate high-complexity signals such as emulator use, spoofing, and low-entropy fingerprints.
• Translate ambiguous business problems into modeling approaches using supervised, unsupervised, and heuristic techniques.
• Partner with engineering, product, and risk teams to contribute to data architecture and signal collection strategies.
• Drive experimental design, A/B testing, and validation techniques to ensure model generalizability.

Requirements

• Master’s degree in Computer Science, Machine Learning, Statistics, or a related quantitative field.
• 6+ years of experience in data science or applied machine learning in production environments.
• Excellent SQL skills and extensive experience with large-scale databases.
• Proficiency in Python and distributed computing tools like Spark or PySpark.
• Hands-on experience with ML frameworks such as scikit-learn, XGBoost, or TensorFlow.
• Proven track record of deploying and maintaining ML models in live systems.

Nice to have

• Background in fraud detection, behavioral biometrics, or adversarial modeling.
• Experience with high-cardinality feature engineering techniques.
• Knowledge of browser/mobile fingerprinting or VPN/proxy detection.
• Familiarity with privacy-preserving or robust ML techniques.

Culture & Benefits

• Competitive compensation package including base salary, equity, and annual bonus.
• Collaborative and inclusive work environment focused on growth and learning.
• Opportunities for career progression into staff-level or technical leadership roles.
• Impactful work in a high-growth industry solving complex identity trust problems.