Principal Engineer
Core
Design, build, and maintain production-grade AI-powered applications and agentic systems leveraging LLMs to transform FICO's platform operations.
Role type
Principal Engineer (Applied AI)
Builds
Production AI systems including agents, RAG pipelines, and LLM-powered workflows for fraud investigation, decision automation, and process optimization.
Domain
Financial analytics and decision management
Deliverable
production ML models
Required skills
Python, TypeScript, LLM orchestration, agentic workflows, RAG architectures, vector stores, model fine-tuning, evaluation pipelines, system design
Preferred skills
Experience with Anthropic/OpenAI/Google SDKs, LangChain, LlamaIndex, LangGraph, Pinecone, Weaviate, pgvector, open-source contributions
Technologies
LLMs, agent SDKs, MCP, LangChain, LlamaIndex, LangGraph, Pinecone, Weaviate, pgvector
Responsibilities
Design and build production AI systems integrating into the analytics platform; develop robust evaluation frameworks for LLM features; drive end-to-end delivery of AI features including prompt engineering and tool design; build and operate the application layer around foundation models; optimize inference performance and cost across the serving stack.
Seniority
Principal, hands-on IC with mentorship
