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This position has closed. TransUnion removed this listing from their careers page on Oct 6, 2026. The interview prep below is still useful, and there are similar open roles at the bottom of this page.

Consultants

TransUnion · Remote · Full time

Posted Sep 1, 2026 · We last checked this listing on Oct 4, 2026

Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a report you made for a client that showed ROI. How did you make it clear?

What they are checking: Whether they can package technical results into client-friendly visual reports.

Tell me about a time you worked with other data scientists to find a new insight.

What they are checking: Whether they collaborate well with peers and clients on analytic work.

What would you do

A client says your rules are blocking too many good customers. What do you do?

What they are checking: Whether they investigate and adjust quickly while explaining trade-offs to the client.

About the work

Walk me through how you'd analyze digital and identity data to find what's driving fraud for an eCommerce client.

What they are checking: Whether they can move from raw data to clear fraud drivers a client can act on.

How do you turn a machine learning model's output into a rule set that a fraud team can actually use?

What they are checking: Whether they can express models inside rule-based systems, which the role names.

How would you balance fraud caught against good customers declined when setting a threshold?

What they are checking: Whether they understand the ROI trade-off between fraud loss and customer friction.

What's your experience with Spark or other tools for big data? Tell me about a large data set you processed.

What they are checking: Whether they can handle the scale of transaction data in this work.

How would you validate results from an ensemble model built on graph data?

What they are checking: Whether they can check complex models for leakage, stability and real-world performance.

How would fraud patterns differ between digital banking, telecom and eGaming?

What they are checking: Whether they understand that fraud vectors vary by industry and need different strategies.

How do you design multi-tiered treatment, like step-up authentication, instead of a simple approve or decline?

What they are checking: Whether they think in layered strategies that reduce friction for good users.

Practice this interview out loud.

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The full job description

As published by TransUnion.

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview Consultants for various and unanticipated worksites throughout the U.S. (HQ: Chicago, IL). Work with quantitative digital and identity data to analyze and reveal fraud drivers. Process, clean, and transform big data and enable datasets for online ML optimization and development of fraud solutions, fraud rulesets, and customer strategies toward fraud tolerant business uses including eCommerce, digital banking, telecom, and eGaming. Use SQL, R, Python, Spark, Matlab, and similar tools. Work closely with other data scientists, consultants, and external clients to identify new analytic insights. Implement optimized rule sets and expression of models within rule-based paradigms emphasizing ROI, multi-tiered treatment and authentication strategies. Analyze machine learning models built on ensemble-based techniques and leveraging graph-formulated data and ML-augmented solutions for internal and customer facing ingestion with sophisticated, statistical formulations. Analyze big data sets to generate deep insights on digital transactions in terms of risk for extremely varied set of fraud vectors. Validate model results and package them into insightful and visualized client-friendly reports on ROI analysis, forecasting, simulation, and optimization. Ensure rigorous quality control and detect anomalies in existing data models utilizing ongoing new data streams. Technical environment: Python (Pandas, NumPy, Scikit-learn), SQL, MySQL, PostgreSQL, GCP (BigQuery), Apache Spark, PySpark, Snowflake, machine learning, data architecture, data analysis, and statistical modeling. Job Requirements Master’s degree in Statistics, Applied Mathematics, Financial Mathematics, Computer Science, or related Quantitative Field plus 2 years of experience with Analytics required. Required skills (can be gained through education or experience): Python (Pandas, NumPy, Scikit-learn), SQL, MySQL, PostgreSQL, GCP (BigQuery), Apache Spark, PySpark, Snowflake, machine learning, data architecture, data analysis, and statistical modeling. Telecommuting permitted. Benefits & Pay Scale Information: TransUnion provides flexible benefits including flexible time off for exempt associates, paid time off for non-exempt associates, up to 12 paid holidays per year, health benefits (including medical, dental, and vision plan options and health spending accounts), mental health support, disability benefits, up to 12 weeks of paid parental leave, adoption assistance, fertility planning coverage, legal benefits, long-term care insurance, commuter benefits, tuition reimbursement, charity gift matching, employee stock purchase plan, 401(k) retirement savings with employer match, and access to TransUnion’s Employee Resource Groups. Spousal, domestic partner, and other eligible dependent coverage is available on select health and welfare plans. The U.S. base salary range for this position is $97,490/yr.-$118,334/yr. + Benefits: www.transunion.com/about-us/careers/life-at-tu annually. Regular, fulltime non-sales positions may be eligible to participate in TransUnion’s annual bonus plan. Certain positions may also be eligible for long-term incentives and other payments based on applicable company guidance and plan documents. We are committed to being a place where diversity is not only present, it is embraced. As an equal opportunity employer, all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability status, veteran status, genetic information, marital status, citizenship status, sexual orientation, gender identity or any other characteristic protected by law. #LI-DNI #BI-DNI

 Benefits that support every part of your life: At TransUnion, we design benefits to help you feel well, do well, and plan well—from day one. For Your Health : Enjoy day-one eligibility for medical, dental, and vision coverage, plus supplemental plan options. Spousal, domestic partner, and other eligible dependent coverage is available on select plans. Choose tax‑advantaged HSA and FSA accounts to make everyday care more affordable. For Your Protection : We’ve got your back with company‑paid basic life and AD&D, optional voluntary life and AD&D for you and your family, and short‑ and long‑term disability. You can also opt into a legal plan, pet insurance, and travel accident coverage. For Your Family : From adoption assistance and fertility planning coverage to caregiver support, we’re here for every chapter. Access Dependent Care FSA for possibility of an employer match, a complimentary Care@Work membership, and up to 12 weeks of paid parental leave with eligibility for a thoughtful, gradual return. For Your Future : Build toward what’s next with our 401(k) with employer match and Employee Stock Purchase Plan (ESPP). Tap financial wellness resources, career coaching, and optional long‑term care insurance to plan confidently. For You : Grow and recharge with tuition reimbursement, flexible time off for exempt employees or paid time off for nonexempt employees, up to 12 paid holidays per year, commuter benefits, employee discounts, charitable gift matching, and paid volunteer time off, plus corporate volunteer events that make it easy to give back. For Your Wellness : Access 24/7 support including professional therapy, coaching, and emotional well‑being programs alongside guided meditation and resources that support physical, mental, social, and financial wellness. We are committed to being a place where diversity is not only present, it is embraced. As an equal opportunity employer, all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability status, veteran status, genetic information, marital status, citizenship status, sexual orientation, gender identity or any other characteristic protected by law. Additionally, in accordance with Section 503 of the Rehabilitation Act of 1973 and the Vietnam Era Veterans’ Readjustment Assistance Act of 1974, TransUnion takes affirmative action to employ and advance in employment qualified individuals with a disability and protected veterans in all levels of employment and develops annual affirmative action plans. Components of TransUnion’s Affirmative Action Program for individuals with disabilities and protected veterans are available for review to any associate or applicant for employment upon request by contacting ERCoE@transunion.com . Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers, the San Francisco Fair Chance Ordinance, Fair Chance Initiative for Hiring Ordinance, and the California Fair Chance Act. Adherence to Company policies, sound judgment and trustworthiness, working safely, communicating respectfully, and safeguarding business operations, confidential and proprietary information, and the Company’s reputation are also essential expectations of this position. TransUnion Overview: At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good , which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development— while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence. Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology. Company: TransUnion LLC