Sr Credit Data Scientist

WEX

Remote, United StatesFull-time$140,000–$165,400Posted Oct 16, 2026

About the role

The Global Risk Solutions and Strategy group is a fast-growing team optimizing risk solutions and models, and we are a key function to help enable WEX’s strategic objectives. The Risk Solutions Team employs data science methodologies (machine learning and statistical frameworks), a wide suite of data types, and modern technologies to develop solutions to inform decision making. Our team helps the firm identify and measure credit and fraud risk to proactively manage the risk throughout the client’s life-cycle. As such, you will not only be working with the latest data and machine learning technologies and algorithms, you will be working in a dynamic environment alongside our stakeholders and domain experts to build models and drive better decision-making.

About the Team/Role

Partner with stakeholders to understand fraud risk management requirements and translate them into data-driven solutions to measure and monitor fraud risk across the firm’s products and services.

Proactively 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 product.

Leverage advanced machine learning, artificial intelligence, and statistical methods and technologies to design flexible, scalable, and automated risk modeling solutions.

Develop and review code and automated processes to extract fraud risk patterns from large scale application and transaction data, behavioral patterns, and other risk indicators.

Keep abreast with emerging trends in machine learning and identify opportunities to leverage new tools to solve problems and improve processes.

Mentor and support junior data scientists, sharing knowledge and best practices to elevate the data science practice at WEX.

How you'll make an impact

Insights Driven: Clear hypothesis and objective driven analytics that help drive our business decisions and ongoing metrics

Stakeholder Aligned: Understand the needs and audience for deliverables with a succinct and tailored message to maximize impact

Results Focused: Rigorous focus on how analytics drive the end to end experiences with clear path to production and measurable impact

Dynamic Collaboration: Drive continual improvement of our team best practices and processes to power collaboration

Quality Mindset: Trust in our findings is critical so data and analytic quality is understood and accounted for from the beginning

Curiosity and Learning: Learn new technologies and collaborate and teach others how to use them as necessary.

Experience You’ll Bring:

4 or more years of professional experience in data science, machine learning, and artificial intelligence, with a focus on fraud risk management in underwriting, behavioral surveillance, and loss prevention in the financial services industry.

Master’s or Ph.D. degree in a quantitative field such as Mathematics, Statistics, Data Science, Operations Research, Computer Science.

Strong knowledge of fraud risk-drivers in small and medium sized businesses, public firms, and private firms, including data typically used in fraud risk management from external credit bureaus and internal risk management processes

Advanced knowledge of SQL and experience creating and managing large datasets to organize and extract useful information

Advanced knowledge of Python or R and experience with common data science libraries such as lightgbm, scikit-learn, pandas, etc..

Deep understanding of model deployment requirements for scalable solutions and real-time feature stores

Deep expertise in statistical and machine learning techniques, including modeling, testing and inference, sampling methods, supervised and unsupervised learning.

Strong communication and presentation skills with an ability to relate complex analytics findings to business outcomes

Adaptable and comfortable working collaboratively and independently in a self-starting manner

Evidence of creative problem solving, critical thinking and a continual learning mindset in credit risk management.

How you will stand out:

Prior experience mentoring experience of data scientists

Prior roles responsible for building underwriting and behavioral models.

Knowledge of external intelligence sources, including third-party data providers e.g. LexisNexis, Socure, Dun and Bradstreet

Experience using cloud environments to develop advanced models, such as AWS Sagemaker

Experience with end–to-end machine learning systems and MLOps framework

AI Tool Experience Preferred -- Gemini, ChatGPT, Similar

The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and will be based on various factors, such as your qualifications, skills, competencies, and proficiency for the role. Base pay is one component of WEX's total compensation package. Most 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. For more information, check out the "About Us" section.

Pay Range: $140,000.00 - $165,400.00

Responsibilities

  • Partner with stakeholders to translate fraud risk requirements into data-driven solutions.
  • Identify and communicate risks and opportunities throughout model development and deployment.
  • Design scalable risk models using machine learning, AI, and statistical methods.
  • Develop code and automated processes to identify fraud patterns in application, transaction, and behavioral data.
  • Track emerging machine learning trends and apply new tools to improve solutions and processes.
  • Mentor junior data scientists and promote team best practices.

Qualifications

  • At least 4 years of professional experience in data science, machine learning, and AI focused on fraud risk management in financial services.
  • Master’s or Ph.D. in a quantitative field such as mathematics, statistics, data science, operations research, or computer science.
  • Knowledge of fraud risk drivers and data used for small and medium-sized businesses, public firms, and private firms.
  • Advanced SQL skills and experience managing large datasets.
  • Advanced Python or R skills and experience with libraries such as LightGBM, scikit-learn, and pandas.
  • Expertise in statistical and machine learning methods, including supervised and unsupervised learning, sampling, testing, and inference.
  • Understanding of model deployment for scalable solutions and real-time feature stores.
  • Strong communication, presentation, problem-solving, and collaboration skills.

Benefits

  • Health, dental, and vision insurance
  • Retirement savings plan
  • Paid time off
  • Health savings and flexible spending accounts
  • Life and disability insurance
  • Tuition reimbursement
  • Potential quarterly or annual bonus

Skills mentioned

PythonSQLMachine LearningStatistical AnalysisSupervised LearningUnsupervised LearningFeature EngineeringModel EvaluationMLOpsAmazon SageMaker

About WEX

WEX (NYSE: WEX) is the global commerce platform that simplifies the business of running a business. WEX has created a powerful ecosystem that offers seamlessly embedded, personalized solutions for its customers around the world. Through its rich data and specialized expertise in simplifying benefits, reimagining mobility and paying and getting paid, WEX aims to make it easy for companies to overcome complexity and reach their full potential. For more information, please visit www.wexinc.com.

Software Development5,001-10,000 employeesPortland, Maine

H-1B sponsorship history

Historical employer filing data was found for WEX. The employer record includes 103 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.