Antifraud Analyst Middle

We are looking for a proactive Antifraud Analyst Middle to strengthen our Fraud Prevention team. This is a role focused on using and developing antifraud rules, analyzing fraud cases, and collaborating closely with agents to improve fraud detection and operational efficiency. If you have strong analytical thinking, hands-on analyst experience, and want to directly influence risk management and system logic, this is your opportunity to make a measurable impact on fraud prevention at scale. Challenges that await you • Your main responsibility will be to test and improve antifraud rules for existing products and new fraud scenarios related to products launching in 2026, balancing security and customer experience • Optimize, and document antifraud rules across multiple channels (card, transfers, tokenization, etc.) • Improve cost efficiency and controls for operational antifraud tools • Collaborate with agents to investigate alerts, verify rule logic, and adjust thresholds • Analyze confirmed fraud cases and identify new patterns or emerging risks • Conduct back-testing and assess the efficiency of existing rules • Propose and implement new approaches for fraud detection automation • Monitor fraud metrics, build queries, and create dashboards to track performance What makes you a great fit • 2+ years of relevant experience in fraud analysis, risk management, or a related field • Strong knowledge of mathematical statistics and probability theory • Analytical mindset and systematic thinking • Strong skills in SQL for data analysis and Python for automation or modeling • Analytical mindset, attention to detail, and ability to translate insights into actionable solutions • Excellent communication skills for effective collaboration with cross-functional teams • A mathematical or technical degree from a top university such as MSU, MIPT, HSE, MSTU, MEPhI, or NES will be a plus • Understanding of payment processes, transaction flows, and fraud typologies will be a plus • B1 or higher English level for effective communication with an international team Our ways of working: • Innovative Spirit: A commitment to creativity and groundbreaking solutions • Honest Feedback: valuing open, transparent communication • Supportive Team: a strong, collaborative community • Celebrating Achievements: recognizing our wins together • High-Tech Environment: a team full of smart and revolutionary people who date to challenge the status quo of incumbent finances Our benefits: • Relocation support to one of our hubs — Serbia, Mexico — with assistance for the employee and their family • Flexible work from one of our offices or remote • Healthcare Coverage • Education Budget: Language lessons, professional training and certifications • Wellness Budget: Mental health and fitness activity reimbursements • Vacation policy: 20 days of annual leave and paid sick leave