CareerPlan

Data Analyst (Fraud Rule Writer Senior Specialist)

Katowice (Zabrska 19), PLFull-timePLN 10k–PLN 14k2026-11-13

Core

Analyze fraudulent patterns and cybercrime to determine counteractions, write rules to protect end clients, and prepare statistical reports.

Role type

Senior IC fraud rule writer (data analyst)

Builds

Fraud detection rules and statistical reports for banking clients

Domain

Banking / Cybersecurity

Deliverable

production ML models

Required skills

SQL query optimization, statistics, regular expressions, fuzzy logic, programming basics, threat analysis (phishing, malware, skimming)

Preferred skills

VBA/Python automation, PowerBI, HTML/JavaScript, Agile/Scrum, fraud detection certificates (CFE, ACAMS)

Technologies

SQL, Python, VBA, PowerBI, HTML, JavaScript

Responsibilities

Analyze fraudulent patterns and cybercrime trends, write rules to support application protection, create SQL queries and code in high-level languages, prepare reports and statistics, cooperate with clients and internal teams (alerts handlers, business analysts, developers)