Senior Anti-Fraud Engineer
Company:Apify Technologies s.r.o.
Location:Czech Republic
Languages:English
Seniority level:Senior, Hands-on experience
Experience:Hands-on experience
Skills:
AWSBackend DevelopmentNode.jsSoftware DevelopmentData AnalysisDynamoDBExpress.jsKubernetesMachine LearningTypeScriptRedisAnalytical SkillsProblem SolvingRisk Management
Requirements:
Hands-on experience in fraud prevention or trust & safety, ideally at scale Strong engineering background with a focus on reliability and problem-solving Ability to analyze complex signals and turn them into actionable detection logic Proactive, practical, and comfortable taking ownership Good communicator Familiarity with payment systems, chargebacks, or abuse prevention in SaaS/marketplaces (Nice to have) Experience with identity, account integrity, or bot detection (Nice to have)
Responsibilities:
Design and run fraud detection systems Build and refine risk models, rules, and signals Investigate new attack patterns and deploy mitigations quickly Develop internal tools and processes Collaborate with Product, Security, and Finance Document and share playbooks
