Senior Data Scientist - Machine Learning

Fiserv

Alpharetta, GA

Full Time

Senior

102k-182k

10 days ago

Job Description

About the Role

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.

Key Responsibilities

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 solutions

Requirements

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 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 tools
Experience working with complex object-oriented architecture coding solutions
Familiarity with data platforms and applications such as Azure ML, Databricks ML, AWS SageMaker and experience contributing to GitHub and open-source initiatives

Nice 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

Qualifications

No specific formal qualifications beyond degree requirements are explicitly listed, but a Bachelor's degree is required and advanced degrees are preferred.

Benefits & Perks

Medical, Vision and Dental Benefits
Fuel Your Life Wellness Program
401k, Employee Stock Purchase Plans and Incentives & Bonuses
Paid Time Away
Comprehensive benefit plans to suit your needs
Resources to elevate your well-being
Celebrating inclusion in the workplace

Working at Fiserv

We’re better together. This role is fully on-site. Fiserv is proud to be an Equal Opportunity Employer. We promote a diverse and inclusive culture through Employee Resource Groups where associates can share perspectives, exchange ideas, and elevate careers.

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