Data Science

Responsibilities

• Conducting transaction data analysis with Hadoop/Cloud and big data technologies for internal and external clients and stakeholders, and develop deeper insights into the products using advanced statistical methods
• Finding opportunities to create and automate repeatable analyses or build streamlined solutions for internal and external Visa clients
• Performing impact estimation of key strategic and marketing Visa activities using analytics techniques
• Promoting usage of BI self-service tools in Moscow office
• Creating user-friendly dashboards and presentations
• Building predictive models using advanced machine learning techniques; interpret and present modeling and analytical results to non-technical audience
• Collaborating with the Visa Consulting team and other requestors to fully understand
• business requirements and desired business outcomes
• Defining detailed analytic scope and methodology, and creating analytic plan
• Executing on the analytic plan with appropriate data mining and analytic techniques
• Performing QA on data and deliverables by analysts and own deliverables
• Ensuring all project documentation is up to date and all projects are reviewed per analytic
• Ensuring project delivery within timelines
• Building on team’s analytical skills and business knowledge
• Enhancing existing analytic techniques by promoting new methodology and best practices in analytics
• Providing subject matter expertise and quality assurance of complex data driven analytic projects

Qualifications

• Proficiency with modeling software; experience with Python, Hadoop, Hive, Impala or similar instruments; Practical experience in building and applying machine learning models (regression, clustering, classification: gradient boosting, random forests, linear models, deep learning etc.); understanding in how do these algorithms work and end-to-end development skills from business understanding and data preparation to quality assurance of ML models
• Minimum of 5 years of analytical expertise in applying statistical solutions to business problems (experience in payments and/or consumer banking and/or commercial banking and/or FMCG retail and/or consulting and/or heavy industry
• Strong in defining and designing analytic approaches to business problems, strong in decomposing heavy business problems into structured and time predictable analytical tasks;
• Excellent communication skills in both spoken and written English (upper intermediate plus), Russian fluent speaker
• At least 2 out of 3
• Degree (masters or PhD would be an advantage) in quantitative field such as statistics, mathematics, operational research, computer science, economics, or engineering or equivalent experience
• Demonstrated resource planning and delivery skills
• Ensure the usage of the correct analytic measures and metrics to solve the business problem; statistical experiments set up and ability to calculate business impact
• A VPN is required to respond to a vacancy