Develop real time and batch risk models to screen online transactions and stop fraudulent ones
Continuously tracking and evaluating of the effectiveness of risk models and rules
Document and communicate model results and insights to senior staff in Risk Management.
Analyze online transaction activity to identify loss reduction opportunities and devise actionable plans to exploit such opportunities
Profile customer behavior to identify opportunities to enhance model/rule performance
Conduct ad-hoc data analysis in response to internal and external analytic requests.
Provide guidance and mentorship for junior team members
Role Requirements
At least 3 years' experience in risk analytics, preferably within fraud or financial services .
Master's degree in a quantitative field (e.g., Statistics, Mathematics, Operations Research) is preferred but not required .
Strong SQL programming skills and p roficiency in Python for data analysis and modeling.
Strong problem solving and analytical skills .
Strong communication skills to convey fraud insight .
Ability to analyze problems and produce justification to enhance fraud decisions.
We make financial services accessible to humans everywhere. Join us for what's next.
Benefits
You will also have access to short-term incentives, multiple health insurance options, accident and life insurance, and access to best-in-class development platforms, to name a few( https://careers.westernunion.com/global-benefits/ ). Please see the location-specific benefits below and note that your Recruiter may share additional role-specific benefits during your interview process or in an offer of employment.Your Costa Rica- specific benefits include:Asociación SolidaristaIn house company doctor servicesTransportation services optionsReferral Program awardEmployee Resource Groups (ERG) and committees to volunteer withPan American Medical and Life insuranceCafeteria Discounts#LI- GGC #LI-HybridEstimated Job Posting End Date:09-23-2025 This application window is a good-faith estimate of the time that this posting will remain open. This posting will be promptly updated if the deadline is extended or the role is filled.Health insuranceFlexible schedule
Additional Information
Senior Analyst, Decision Sciences - Santa Ana, Costa Rica
Are you keen to unleash your potential in a global business that is redefining the financial services sector? Are you ready to unleash your potential in a global business that is committed to moving money for better ? Are you interested in joining a globally diverse organization where our unique contributions are recognized and celebrated, allowing each of us to thrive? Then it's time to join Western Union as a Senior Analyst, Decision Sciences.
Western Union powers your pursuit.
Westernunion · - Santa Ana, Costa Rica