Digital Channels Fraud Prevention Officer (AdTech)

TL;DR

Digital Channels Fraud Prevention Officer (AdTech): Securing the web product ecosystem by monitoring and securing digital advertising traffic and client acquisition with an accent on identifying sophisticated browser-based fraud patterns. Focus on implementing detection strategies for Cookie Stuffing and Referral Spoofing, analyzing traffic logs, and reducing financial leaks from invalid traffic.

Location: Hybrid or Remote (Cyprus or Greece)

Company

hirify.global is a global fintech company specializing in online trading.

What you will do

• Monitor inbound traffic quality across Affiliates, PPC, and Programmatic channels to ensure growth is driven by real users.
• Design and implement detection strategies for web-specific threats, including Cookie Stuffing, Referral Spoofing, and Ad Injection.
• Utilize browser fingerprinting and behavioral analysis to distinguish human users from automated scripts (Selenium/Puppeteer).
• Audit web-attribution flows to prevent last-click hijacking and ensure accurate media source credit.
• Collaborate with Marketing and Finance to flag Invalid Traffic (IVT) and provide evidence for invoice adjustments.
• Develop automated dashboards to track IVT rates and anomaly alerts.

Requirements

• 3+ years of experience in Fraud Prevention, AdTech, or Traffic Quality with a focus on Web/Browser ecosystems.
• Deep expertise in HTTP protocols, cookie management, user-agent spoofing, and JavaScript tracking vulnerabilities.
• Proficiency in analyzing large-scale traffic logs and conversion funnels to identify non-human behavior.
• Solid understanding of botnets, data-center traffic masking, and residential proxy abuse.
• Ability to present data-driven investigative results to both technical and business stakeholders.

Nice to have

• Proficiency in SQL (BigQuery, PostgreSQL) and experience with BI tools such as Tableau, Looker, or Power BI.
• Basic knowledge of Python or JavaScript for automating routine audit tasks.
• Previous experience in Fintech or high-volume Performance Marketing.

Culture & Benefits

• Attractive remuneration package with performance-related rewards.
• Intellectually stimulating work environment.
• Continuous personal development and international training opportunities.

Hiring process

• Introductory chat with Talent Acquisition.
• First interview with the future team.
• Role-specific take-home task.
• Final interview.