Principal Engineer, AI Agent & Full Stack Development

Intercontinental Exchange Holdings, Inc.•Jacksonville, FL

About The Position

ICE Mortgage Technology is digitizing and automating the entire real estate and housing finance lifecycle so critical data can flow seamlessly from one process to the next creating a better experience for the homeowner, lender and servicer. We are providing configurable technology, extensive data and comprehensive analytics that span the entire loan life cycle. The Principal Engineer - AI Agent & Full Stack Development will be responsible for designing, developing, and architecting AI-powered agent systems and intelligent automation solutions that enhance our mortgage servicing capabilities. This role combines deep expertise in artificial intelligence, agent frameworks, Model Context Protocol (MCP), and full stack development to build next-generation intelligent applications that transform how we serve our customers and partners.

Requirements

A Master’s degree in Computer Engineering, Computer Science, or other related discipline; or equivalent combination of education and experience that is required for the specific job level
7+ years of experience in Software Development
Experience working with development technologies including Python, .NET or Java/Spring, JavaScript and Python
Experience with OAuth2, JWT, JWS, JWE, JWKS/certificates, signing and encryption
Experience with Open API Specifications 3.0 (OAS or Swagger)
Experience working with OpenShift container platform and developing microservices
Experience with API documentation tools and formats, such as Swagger and Postman, to create API documentation that is comprehensive, accurate, and up to date
Experience with RESTful services and SOAP Web services development
Experience working with applications in the cloud such as AWS or Azure a plus
Experience with Continuous Integration and Continuous Delivery (CI/CD) pipelines
Experience with source code management tools such as Azure DevOps, TFS, Jira or Git
Experience interacting with relational databases, such as MySQL, PostgreSQL, Oracle, or SQL Server
Proficiency with development techniques such as Test-Driven Development, Unit Tests, Component Tests and/or Scenario Tests a plus
Familiarity working in a Software Development Life Cycle (SDLC) leveraging Agile principles and AI Tools such as GitHub Copilot, Claude Code or Cursor
Experience working with software security platforms such as Snyk, and remediating security vulnerabilities
Excellent analytical, decision-making and problem-solving skills
Must be able to multitask in a fast-paced environment with focus on timeliness, documentation, and communications with peers and business users alike
Ability to communicate well both verbally and in writing to technical and non-technical audiences of various levels within ICE or outside the organization (executives, regulators, clients, etc.)
5+ years of experience in software development with 2+ years focused on AI/ML and agent development
Strong experience building agent systems using modern LLM frameworks (Ex: LangChain, LangGraph, Semantic Kernel) and foundation models from AWS Bedrock, OpenAI, or Azure OpenAI platforms
Hands-on expertise with Model Context Protocol (MCP) for server/client integrations, advanced prompt engineering, and implementing function/tool calling workflows in production environments
Deep expertise in RAG patterns, vector database implementations, semantic search optimization, and autonomous agent architecture design
Experience designing and implementing multi-agent systems with proven patterns for orchestration, coordination, and memory management (short-term and long-term)
Demonstrated ability to evaluate, test, and monitor AI agent performance using established frameworks and methodologies for non-deterministic systems
Strong understanding of LLM security best practices including prompt injection prevention, data leakage mitigation, and experience with model fine-tuning or adaptation techniques

Nice To Haves

Experience with modern front-end technologies such as React or Angular a plus

Responsibilities

Keeps up to date with trends in AI as it relates to solving business problems
Provides technical leadership to software engineering staff in the development, testing, and implementation processes
Receives general direction from management
Designs and develops APIs necessary to affect front end functionality and/or be consumed by other partners
Provides full stack design and development of projects involving application development, migrations, and additions to existing applications
Develops front end applications utilizing React, Angular, Nodejs, etc. in close accord with a UX team and ensures the responsiveness of those applications
Develops code libraries and APIs using Python and Java (Spring boot)
Develops AI solutions using AWS Bedrock and related services
Utilizes secure development practices which encompasses secure coding, testing, access control and secure deployment to build robust and resilient applications
Designs and creates data models for applications and databases to persist them
Participates in software design meetings and analyzes user needs to determine technical requirements
Writes technical specifications based on conceptual design and stated business requirements
Develops and/or reviews development of test protocols for testing application before user acceptance with an emphasis on automated Unit Tests, Component Tests, and Scenario Tests
Completes documentation and procedures for installation and maintenance
May mentor or guide work of less experienced software development staff
Remains current on industry standards in web development
Performs additional related duties as assigned