TCGplayer

Digital Identity & Cybercrime Engineer

TCGplayer
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1 day ago
Dublin, IrelandSenior

Responsibilities

  • Build production systems and scalable data pipelines that transform cybercrime intelligence into reusable identity trust signals.
  • Ingest, enrich, correlate, and operationalize intelligence from phishing campaigns, infostealer ecosystems, credential marketplaces, breach datasets, malware telemetry, and eBay security signals.
  • Develop device intelligence capabilities including device reputation, device binding, trusted-device establishment, device graphing, hardware-backed trust, emulator detection, and browser integrity assessment.
  • Build low-latency services and APIs that combine device, credential, behavioral, transaction, infrastructure, and cybercrime intelligence for adaptive authentication and risk-based protection.
  • Detect credential theft, account takeover, cookie theft, malicious automation, identity impersonation, and compromised or synthetic devices.
  • Partner with Identity Engineering and Product teams to embed security into authentication, passkey and WebAuthn enrollment, account recovery, device trust, and identity verification.
  • Help define security models for consumer agents, including agent identity, delegated authority, provenance, trust scoring, behavioral intelligence, revocation, and malicious-agent detection.

Requirements

  • Bachelor's degree in Computer Science, Engineering, Cybersecurity, or equivalent practical experience.
  • Strong software engineering experience building distributed production systems.
  • Excellent programming skills in Python, Java, Go, or similar modern languages.
  • Experience designing APIs, data platforms, distributed services, or event-driven systems.
  • Experience with cloud-native infrastructure and modern observability practices.
  • Strong understanding of secure software engineering principles.
  • Ability to solve ambiguous technical problems through pragmatic engineering.
  • Preferred experience in consumer identity security, cybercrime intelligence, device intelligence, WebAuthn, Passkeys, FIDO2, OAuth, OpenID Connect, session security, identity federation, adaptive authentication, or AI and agent security.

Tech Stack

Categories

Data EngineeringSecurity
TCGplayer

About TCGplayer

201-500 employees
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