Tinkoff Anti-Fraud Developer\Analyst
Nov. 2017 - Jan. 2023Moscow, Russia• Developed and executed anti-fraud rules and strategies in different business
lines which includes: Card operations, Online banking, Legal entities operations,
AML, Mobile operator fraud (calls, messages, data traffic and more).
• Configured rules and authorization-related elements of the anti-fraud system
such as mappings (authorization fields matching), mergings (authorization
data implementing), different counters and etc.
• Successfully prevented different types of fraud like account takeover,
skimming, phishing, social engineering, identity theft, CNP fraud, abuse
(gaming), simbox, traffic violation (mobile operator), etc.
• Worked with busy release schedules, extremely heavy loaded processing
system (up to 3800 tps) and with demands of immediate operative reaction
to any fraud cases and issues that could lead to potential losses, performed
multiple new rules and rules-tuning releases every week.
• Monitored overall system efficiency for optimization purposes, proposed and
executed solutions to improve system response time, mitigate memory usage
and computational load.
• Developed and executed complete sets of rules, counters, service algorithms
and data mapping configures for a three big projects from the start: AML for
individuals, Deposits for legal entities, Mobile operator.
• Collaborated with cross-functional teams to ensure seamless integration of
anti-fraud rules into existing systems and processes, enhancing fraud
detection capabilities, reducing losses.
• Regularly conducted thorough risk assessments to identify vulnerabilities in
current systems and procedures to improve fraud to sale rate, to cope with
regulator’s instructions and to provide best service for the clients.
• Evaluated and tested fraud detection algorithms, fine-tuning rule
effectiveness and reducing false positives, leading to enhanced operational
efficiency.
Used software: IBM Safer Payments (IRIS)