Senior Anti-Fraud Engineer (AI)

Location: European Union; remote or hybrid employment available.

Company

hirify.global AI creates data and technology that support leading generative AI models through experts, crowdsourcing, and a technology platform.

What you will do

• Explore data to identify fraud patterns, anomalies, and attacker behavior.
• Design protection metrics, dashboards, and visualizations.
• Generate and rigorously test data-driven hypotheses.
• Turn validated hypotheses into production rules, heuristics, ML models, and LLM-based defenses.
• Build and maintain SQL, Python, and Airflow data pipelines.
• Own anti-fraud solutions end to end, including deployment, monitoring, bypass analysis, and fraud policy definition.

Requirements

• Strong analytical thinking, including framing ambiguous problems, selecting metrics, and drawing sound conclusions from messy data.
• A hypothesis-driven approach and ability to test ideas properly.
• Confident, efficient SQL for large datasets.
• Python and ML experience, including feature engineering, model training and evaluation, and production deployment.
• Working experience with Airflow or similar orchestration tools.
• Product sense and understanding of protection trade-offs, including false positives, impact on honest users, and cost.

Nice to have

• Experience in anti-fraud, trust and safety, risk, or abuse prevention.
• Experience with anomaly detection, graph analysis, or behavioral modeling.
• Experience applying LLMs to analytical or classification tasks.
• Experience with Databricks.
• Experience with crowdsourcing or data annotation platforms.
• ClickHouse experience.

Culture & Benefits

• Remote or hybrid employment with a flexible workday designed with the manager.
• Competitive compensation package including base salary, bonus, and ESOP.
• Paid PTO and location-dependent benefits.
• IT setup and home-office allowances.
• Professional development support and encouragement to implement project ideas.
• International, globally distributed environment.

Hiring process

• Legitimate recruiting communication comes only from an official hirify.global.ai email address.
• No bank details, credit card information, or fees are requested during the application or interview process.
• Suspicious postings or contacts should be reported to security@hirify.global.ai and LinkedIn.