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Sr Data Scientist

Fiserv

Fiserv

Data Science
Milwaukee, WI, USA
Posted on Mar 18, 2026

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Sr Data Scientist

TITLE: Sr Data Scientist

EMPLOYER: Fiserv Solutions, LLC

LOCATION: Milwaukee, WI (and various unanticipated locations throughout the US subject to authorization from management)

DUTIES: Build and support Fiserv small business index and similar macroeconomics statistics to represent the US census small business sales growth/decline at geography and industry level using Fiserv small business merchants’ information which represent the US census. Contribute to the Fiserv small business index methodology and script development using application of multiple statistical techniques to correlate Fiserv Small Business Index well with the known US government statistics including MRTS and Census. Identify the reason behind shift in the growth at geography/industry level. Build and support AI/ML/DL forecasting models for FSBI, CPI, MRTS, PCE and other macroeconomic KPIs using Fiserv and external data.

REQUIREMENTS: Bachelor's degree in Statistics, Data Science, Computer Science, Operations Research or a related field and 4 years in any job title involving statistical and machine learning modeling experience. Prior experience must include: 4 years building and maintaining indexes using Consumer, Merchant, Payment, Banking, and macroeconomic data; 4 years working with frameworks including PySpark, TensorFlow, scikit-learn, Xgboost, DASK, and Ray; 4 years working with Python programming language; 4 years deploying, monitoring, and maintaining ML/DL model pipelines in a HPC platform using Spark, AWS EMR, MWAA, WMLA, Spectrum Conductor, Airflow, and MLFlow; 4 years formulating research or business problems and subsequently designing and implementing AI/ML/DL solutions; 2 years working with data platforms and applications including Azure ML, Databricks ML, and AWS SageMaker; and 2 years contributing to GitHub and open-source initiatives.

TRAVEL: None

TO APPLY: Apply by selecting “Apply” on this page and following prompts to attach resume and submit.

JOB CODE: VD549

#P3M

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

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Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.