[Remote] Fraud Sr. Data Scientist

Note: The job is a remote job and is open to candidates in USA. WEX Inc is a company focused on optimizing risk solutions and models within the Global Risk Solutions and Strategy group. They are seeking a Fraud Sr. Data Scientist to leverage data science methodologies to develop solutions for measuring and managing credit and fraud risk throughout the client’s life-cycle.ResponsibilitiesPartner with stakeholders to understand credit risk management requirements and translate them into data-driven solutions to measure and monitor credit risk across the firm’s products and servicesProactively identify and communicate challenges, opportunities, and risks associated with end-to-end model development and deployment life-cycle to ensure timely completion of the entire productLeverage advanced machine learning, artificial intelligence, and statistical methods and technologies to design flexible, scalable, and automated risk modeling solutionsDevelop and review code and automated processes to extract credit risk patterns from large scale application and transaction data, behavioral patterns, and other risk indicatorsKeep abreast with emerging trends in machine learning and identify opportunities to leverage new tools to solve problems and improve processesMentor and support junior data scientists, sharing knowledge and best practices to elevate the data science practice at WEXSkills4 or more years of professional experience in data science, machine learning, and artificial intelligence, with a focus on credit risk management in underwriting, behavioral surveillance, and loss prevention in the financial services industryMaster's or Ph.D. degree in a quantitative field such as Mathematics, Statistics, Data Science, Operations Research, Computer ScienceStrong knowledge of credit risk-drivers in small and medium sized businesses, public firms, and private firms, including data typically used in credit risk management from external credit bureaus and internal risk management processesAdvanced knowledge of SQL and experience creating and managing large datasets to organize and extract useful informationAdvanced knowledge of Python or R and experience with common data science libraries such as lightgbm, scikit-learn, pandas, etcDeep understanding of model deployment requirements for scalable solutions and real-time feature storesDeep expertise in statistical and machine learning techniques, including modeling, testing and inference, sampling methods, supervised and unsupervised learningStrong communication and presentation skills with an ability to relate complex analytics findings to business outcomesAdaptable and comfortable working collaboratively and independently in a self-starting mannerEvidence of creative problem solving, critical thinking and a continual learning mindset in credit risk managementPrior experience mentoring experience of data scientistsPrior roles responsible for building underwriting and behavioral modelsKnowledge of external intelligence sources, including third-party data providers e.g. LexisNexis, Socure, Dun and BradstreetExperience using cloud environments to develop advanced models, such as AWS SagemakerExperience with end–to-end machine learning systems and MLOps frameworkBenefitsMost sales positions are eligible for commission under the terms of an applicable plan.Non-sales roles are typically eligible for a quarterly or annual bonus based on their role and applicable plan.WEX's comprehensive and market competitive benefits are designed to support your personal and professional well-being.Benefits include health, dental and vision insurances, retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more.Company OverviewWex is a financial technology service provider for fleet, travel and healthcare industries. It was founded in 1983, and is headquartered in Portland, Maine, USA, with a workforce of 5001-10000 employees. Its website is http://www.wexinc.com.Company H1B SponsorshipWEX has a track record of offering H1B sponsorships, with 4 in 2026, 22 in 2025, 10 in 2024, 12 in 2023, 20 in 2022, 14 in 2021, 18 in 2020. Please note that this does not guarantee sponsorship for this specific role.