Payment Fraud Security Engineer

Payment Fraud Security Engineer in Limassol, on-site, iGaming/FinTech. Role focuses on PSP audits, AppSec, antifraud, and incident investigations.

We are looking for a specialist at the intersection of payments, AppSec, and antifraud to audit PSPs, close internal leaks (accesses, Confluence), and investigate fraud incidents.

Payment experience: understanding of transaction lifecycle and chargebacks (Cards, APMs, Crypto, E-wallets), PSP and acquirer logic. Technical skills: OWASP Top 10 / API Security, authorization mechanisms (OAuth, JWT, HMAC, webhook/callback signatures), log reading; plus Python/Go/Bash. Experience in AppSec/pentest and/or antifraud: strong technical background (finding vulnerabilities in code and APIs) is a priority, but experienced antifraud experts with good technical foundation are also considered.

Scale and development: key role in forming a new security perimeter for a large FinTech product. No KPIs based on incident count; initiative, systematic solutions, and real contribution to platform security are valued. Strong team: close synergy with product, analytics, and CyberSec team. Conditions: employment under Cyprus labor code, full-time, competitive salary, social package (paid vacation and sick leave, free office meals).