Security Researcher (Cybersecurity)

TL;DR

Security Researcher (Cybersecurity): Researching, designing, and improving advanced fraud and abuse detection capabilities for a SaaS identity and anti-fraud platform with an accent on browser and mobile-native application security. Focus on reproducing attacker techniques, analyzing telemetry, and developing production-grade detection mechanisms to prevent account takeovers and bot attacks.

Location: Hybrid in Tel Aviv-Yafo, Israel

Company

hirify.global provides a cutting-edge platform that fuses customer identity management and anti-fraud solutions for large consumer-facing businesses.

What you will do

• Research emerging fraud and abuse techniques including account takeovers, bots, phishing, and device spoofing.
• Identify and validate new security signals and behavioral patterns across desktop/mobile browsers and native applications.
• Analyze real-world telemetry and reproduce attacker techniques to identify and fill detection gaps.
• Design, validate, and tune detection and prevention mechanisms for production stability and accuracy.
• Build research infrastructure, analysis workflows, and internal tools using Python.
• Collaborate with data science, engineering, and product teams to translate research hypotheses into production features.

Requirements

• At least 3 years of experience in security research, fraud detection, or threat research.
• Bachelor’s degree in Computer Science, Cybersecurity, Data Science, or equivalent hands-on experience.
• Strong expertise in either browser security (APIs, automation, fingerprinting) or mobile security (Android/iOS behavior, emulators).
• Proficiency in Python for building research tools and feature engineering pipelines.
• Experience analyzing complex real-world data and investigating anomalies to draw practical conclusions.
• Familiarity with machine learning concepts such as train/test splits, precision/recall, and model evaluation.