Tech Lead, AI Software Engineering

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

AI Engineer

About your role:

As an AI Engineer, you will build and integrate modern artificial intelligence capabilities that support scalable, secure, and production-ready applications. You will work with engineering, platform, and product teams to develop large language model (LLM) integrations, retrieval-augmented generation (RAG) pipelines, and agentic workflows that improve business outcomes. Your work will help accelerate delivery of AI-enabled solutions through strong engineering practices, reliable integrations, and well-governed application design.

What you'll do:

• Design and implement integrations with large language model application programming interfaces (APIs) such as Claude, GPT, Gemini, or similar model platforms.
• Build and support Model Context Protocol (MCP) integrations and related orchestration patterns that improve context handling and interoperability across AI-enabled applications.
• Develop agentic workflows and AI application frameworks using tools such as LangChain, LlamaIndex, CrewAI, or similar orchestration frameworks.
• Design, implement, and optimize retrieval-augmented generation (RAG) pipelines, including embeddings, vector stores, retrieval logic, and response grounding techniques.
• Build backend services and APIs using Python, asynchronous programming techniques, FastAPI, or similar frameworks to support scalable AI application delivery.
• Partner with product, engineering, and platform teams to translate business needs into technical AI solutions that are measurable, maintainable, and production-ready.
• Evaluate and improve application reliability, performance, observability, and security across AI workflows and integrated services.
• Support engineering productivity through modern development workflows and tools such as Cursor, Claude Code, or similar assisted development environments.
• Contribute to testing, validation, and continuous improvement of AI-enabled applications, ensuring solution quality and operational readiness.
• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience you'll need to have:

• 7+ years of experience in software engineering, machine learning engineering, artificial intelligence engineering, or related development roles building production applications.
• Experience integrating large language model APIs such as Claude, GPT, Gemini, or similar generative AI platforms into applications or services.
• Experience building agentic workflows or orchestration frameworks using LangChain, LlamaIndex, CrewAI, or similar tools.
• Experience developing retrieval-augmented generation pipelines including embeddings, vector databases, retrieval strategies, and prompt grounding approaches.
• Experience with Python, asynchronous programming, FastAPI, or similar backend development frameworks used to deliver scalable APIs and services.
• Experience working with application integration patterns, testing approaches, and engineering practices that support reliable and maintainable AI solutions.
• Bachelor’s degree or higher in Computer Science, Engineering, Data Science, Information Systems, or related field or equivalent combination of education, related experience and/or military experience.

Experience that would be great to have:

• Experience with Model Context Protocol implementations or similar context-sharing and orchestration standards.
• Experience with observability, monitoring, and evaluation techniques for AI applications in production environments.
• Experience with prompt engineering, model behavior testing, and AI safety or governance practices.
• Experience using modern AI-assisted developer workflows such as Cursor, Claude Code, or similar tools.

How you'll work:

• This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.

Thank you for considering employment with Fiserv.  Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

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. 

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.

Warning about fake job posts:

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.