# Senior AI Engineer

Hiring organization: [Mastercard](https://career.thegoodapps.co/organizations/mastercard)

Canonical page: https://career.thegoodapps.co/jobs/e9ae66a7-b1c1-405c-ae71-7ab5acb39f9c

Listed on Mastercard's own careers site. Applications go to them directly.

- Employment type: full time
- Seniority: Senior
- Location: O Fallon, MO
- Salary: 115000 – 184000 USD per year

## Summary

This role leads the design and deployment of large language model systems, agents, and retrieval-augmented generation pipelines at enterprise scale. It suits experienced ML engineers who have built production generative AI applications and want to architect next-generation AI systems within a global fintech organization.

_Our summary, not Mastercard's wording._

## Skills named

AWS SageMaker, BERT, Clip Studio Paint, CrewAI, Databricks, Falcon, FastAPI, Gemini, Hugging Face, LangChain, LangGraph, LLM Fine-Tuning, MLflow, Neo4j, Pinecone, Python, PyTorch, SQL, TensorFlow

## Required

- Master's or Bachelor's degree in Computer Science, AI/ML, or Engineering
- Significant hands-on experience leading complex Gen AI or ML engineering programs in production
- Expert-level experience designing and deploying LLM applications, agentic systems, and RAG pipelines from prototype to production
- Deep proficiency with LLM ecosystems including OpenAI, Anthropic, Gemini, Hugging Face, and open-source foundation models
- Strong command of Gen AI engineering patterns including prompt engineering, chain-of-thought reasoning, tool calling, and vector embeddings
- Applied knowledge of ML fundamentals including predictive modeling and deep learning
- Excellent Python engineering skills including async programming, API development, and microservices
- SQL proficiency
- Hands-on experience with cloud AI infrastructure on AWS, Azure, or GCP
- Strong analytical, communication, and stakeholder management skills

## Nice to have

- Familiarity with MLOps/LLMOps tooling beyond MLflow
- Experience with responsible AI and bias detection frameworks
- Knowledge of state and context management systems for agent reasoning

Apply on Mastercard's site: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/OFallon-Missouri/Senior-AI-Engineer_R-282682-1