Senior Data Scientist - Machine Learning

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

Senior Data Scientist - Machine Learning

What does a successful Senior Data Scientist do at Fiserv?

As a Senior Data Scientist within Data Commerce Solutions, you will design and develop products and solutions to drive innovation. You will leverage Artificial Intelligence, Machine Learning and Deep Learning models in addition to other statistical techniques to target specific business objectives and create other business opportunities.
 

What you will do:

• Design and develop custom ML, Gen AI, NLP, LLM Models for batch and stream processing-based AI ML pipelines
• Utilize LangChain / LlamaIndex for advanced language processing tasks. Perform fine-tuning of models and work with Parameter-Efficient Fine-Tuning (PEFT), RAG, and Agentic Frameworks
• Collaborate with the MLOps team to ensure smooth deployment and maintenance of models
• Develop and lead presentations and consultations to existing and prospective constituents on analytics opportunities, results, and solution

What you will need to have:

• Bachelor’s degree in Statistics, Data Science, Computer Science, Operations Research or related field.
• 7+ years of hands-on experience leveraging large sets of structured and unstructured data to develop data-driven tactical and strategic analytics and insights using ML, RAG, and NLP.
• Experience formulating research or business problems, designing, experimenting, implementing and communicating solutions.
• Proficiency in tokenization and embeddings, as well as experience creating models, improving model training and tuning, and deploying Large Language Model architectures based on LLaMA, BERT, or Transformer-based models.
• Hands-on experience with Python, Hugging Face, TensorFlow, Keras, PyTorch or similar statistical tools.
• Experience working with complex object-oriented architecture coding solutions.
• Familiarity with data platforms and applications such as Azure ML, Databricks ML, AWS Sage maker and experience contributing to GitHub and open-source initiatives.

What would be great to have:

• Master’s degree, PhD, or equivalent practical experience, in Computer Science, or related technical field.
• Publication record in relevant conferences and/or participation in Kaggle competitions.

Important info about this role:

• We’re better together. This role is fully on-site.
• This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.

Perks at Work:

• We’re #FiservProud of our commitment to your overall well-being with a growing offering of physical, mental, emotional, and financial benefits from day one.
• Maintain a healthy work-life balance with paid holidays, generous time off policies, including Unlimited Recharge & Refuel for qualifying associates, and free counseling through our EAP.
• Plan for your future with competitive salaries, the Fiserv 401(k) Savings Plan, and our Employee Stock Purchase Plan.
• Recognize and be recognized by colleagues with our Living Proof program where you can exchange points for a variety of rewards.
• Prioritize your health with a variety of medical, dental, vision, life, and disability insurance options and a range of well-being resources through our Fuel Your Life program.
• Advance your career with training, development, certification, and internal mobility opportunities.
• Join Employee Resource Groups that promote our diverse and inclusive culture where associates can share perspectives, exchange ideas, and elevate careers.

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Salary Range

$102,100.00 - $182,400.00

These pay ranges apply to employees in Colorado, Hawaii, Illinois, Nevada, Rhode Island and Washington. Pay ranges for employees in other states may differ. Certain Positions are Commissions eligible.

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

Thank you for considering employment with Fiserv.  Please:

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