data analyst

Mayflower provides global payment infrastructure solutions, optimizing transaction performance and customer payment experiences through data-driven insights.

• Monitor and optimize payments performance, including approval rates, decline patterns, 3DS flows, timeouts, retries, and routing rules;
• Analyze and reduce fraud-related declines, collaborating on tuning fraud rules and improving risk thresholds;
• Perform deep-dive analyses to discover patterns, trends, and insights across card schemes, PSPs, BINs, countries, and methods;
• Drive actionable outcomes by updating routing logic, cascading strategy, risk rules, issuer-specific heuristics, and operational configurations;
• Own continuous monitoring, including daily health checks, anomaly detection, and alerts on key metrics;
• Build dashboards and monitoring tools in Metabase, Amplitude, and Tableau;
• Prepare clear and actionable analytics reports for internal teams and leadership;
• Evaluate the impact of new features, routing changes, ML versions, and product experiments to provide data-backed recommendations;
• Collaborate with Product, Data, ML, Payments Operations, and Fraud teams to design and implement improvements end-to-end.

• Advanced SQL skills (NoSQL, window functions) and ability to build metrics;
• Understanding of PSP behavior, decline codes, 3DS, issuer logic, routing, tokens, and cascading;
• Understanding of fraud basics (RDR, chargebacks, rule tuning, risk signals);
• Ability to translate data into clear actions;
• Experience working in a fast-moving, operational environment;
• Ownership mindset and strong attention to detail;
• Fluency in Python Data Science stack (Jupyter Notebook, Pandas);
• Nice to have: Knowledge of Russian, experience with card schemes/PSPs and issuer-specific patterns, hands-on work with 3DS flows, network tokens, or routing optimization, background in fraud prevention, work experience in fintech or high-load transactional products.

• EU-based employment contract;
• 42 Remote work days;
• 21 Vacation days and 10 days paid sick leave;
• Transparent performance reviews twice a year with bonus opportunities and salary adjustments;
• Private medical insurance for you and your family;
• Corporate mobile plan (unlimited in Cyprus with roaming included);
• Interest-free support for car purchases;
• Mindfulness and well-being support, including 50% coverage for psychological assistance;
• 50% Coverage of school and kindergarten fees for children;
• Fully covered sports benefits, access to in-house electric scooters and bike rentals, and cycling purchase compensation;
• Paid language courses and access to development programs, conferences, training, and coaching;
• Peer reward program;
• Free breakfast options at the office, Wolt Allowance, and in-house coffee/health bar;
• International team environment with corporate events, team buildings, and hackathons.