Principal Data Scientist
Cincinnati, OH
Category: Data
Industry: Financial Services
Standard Hours: Open
Reference ID: JN -092026-108806
Date Posted: 09/28/2026
Shortcut: http://careers.eliassen.com/DAq2Rx
Description:
Hybrid 3 days onsite in Cincinnati, OH or Atlanta, GA
Our client seeks a Principal Data Scientist to scale Data Science and AI capabilities for end-to-end payment optimization. The role will collaborate with ML engineers and product partners to design and deploy real-time models and intelligent decision engines, drive strategy and roadmaps, lead cross-functional initiatives, and mentor senior data science talent. The position balances strategic leadership with hands-on contribution across architecture, design reviews, code reviews, and select implementation to deliver production-grade ML solutions.
This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $85.00 to $95.00/hr. w2
Responsibilities:
- Define the technical vision and strategy for data-driven initiatives focused on end-to-end payment optimization and align with business goals.
- Develop scalable and reusable capabilities to power real-time machine learning models, enable rapid experimentation at scale, and support continuous monitoring of ML products.
- Oversee and participate hands-on in the conceptualization, development, production deployment, operation, validation, and maintenance of ML models and model update systems.
- Establish and enforce best practices for ML modeling while driving adoption of modern tools, frameworks, and infrastructure.
- Foster a culture of innovation, experimentation, and collaboration and mentor a team of data scientists.
- Partner with product, engineering, data, and compliance teams to integrate ML into products and communicate complex concepts to diverse audiences.
- Collaborate with Data Science leaders to establish an operating model for ML R&D that optimizes delivery of business value.
Experience Requirements:
- Bachelor’s or master’s degree in computer science, statistics, mathematics, engineering, or related field. PhD preferred.
- 7+ years in ML research or engineering and 5+ years building large-scale, real-time ML systems in production with hands-on experience.
- Expertise in machine learning, statistical modeling, and data analysis with strong experience across the ML lifecycle and experimentation.
- Proficiency in Python (Pandas, NumPy, scikit-learn) and strong SQL. Experience with NoSQL or graph databases is a plus.
- Demonstrated ability to lead solution design and execution, translating complex business requirements into actionable technology solutions.
- Exceptional verbal and written communication skills with the ability to influence and collaborate across technical and business audiences, including executives.
- Bonus: Experience in payments, fintech, or financial services. Knowledge of payment systems, fraud and risk, or real-time payments. Experience with AWS, GCP, Snowflake, Databricks, or Vertex AI. Agile development experience. Background in large companies, mature ML teams, or regulated industries.
Education Requirements:
Bachelor’s or master’s degree in computer science, statistics, mathematics, engineering, or related field. PhD preferred.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above