Machine Learning Software Engineer (AI)

About 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

Machine Learning Software Engineer (AI)

What does a successful Machine Learning Software Engineer (AI) do at Fiserv?

At Fiserv, you build production machine learning software that powers real-time decisioning at scale across payments and financial services. You translate model concepts into reliable services and data pipelines with strong performance, observability, and operational discipline. You partner with product, data science, and platform engineering to deliver measurable outcomes and continuously improve models in production.

What you will do

• Architect, design, and implement scalable ML models and real-time inference services for high-throughput, low-latency decisioning.
• Build and optimize data ingestion and feature pipelines using Kafka, Airflow, and Spark to enable consistent, high-quality feature extraction.
• Collaborate with data scientists and product engineers to translate complex business requirements into technical specifications and deployable ML solutions.
• Conduct structured experimentation using frameworks such as TensorFlow and PyTorch, selecting approaches that balance accuracy, explainability, and production constraints.
• Deploy and operate ML applications using Docker and Kubernetes in cloud environments, including release automation, monitoring, and ongoing optimization.

What you must have

• 7+ years of experience in machine learning and data science.
• 7+ years of experience deploying AI solutions in cloud environments.
• 5+ years of experience driving large-scale projects in a matrixed environment (project management and/or consulting).
• Bachelor's degree in computer science, data science, or a related field.

What would be nice to have

• 6+ years of experience in the financial services industry.
• 5+ years of proficiency in Python, Java, or Scala, including hands-on use of ML libraries (TensorFlow, Keras, Scikit-learn).
• 4+ years of experience with SQL and NoSQL databases (PostgreSQL, MongoDB, Cassandra).

Location Details

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island or Washington.

Equal Opportunity Employer

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.

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