Personal profile 01
JarrodZywien
A VP - Machine Learning Engineer at Moody’s, building generative AI products across applications, services, and platform operations.
Introduction
About
I’m an engineering leader and lifelong developer whose career spans software development, architecture, and team leadership since 2005. Today I work across full-stack product engineering and platform systems, connecting AI models with enterprise tools and knowledge while building workflows with the access controls and operational foundations they need.
Career
Experience
Moody’s
Current role
VP - Machine Learning Engineer
- Helped launch an enterprise AI assistant to Moody’s Ratings in September 2026 for an audience of more than 5,000 users, contributing across the web application, Python APIs, model integrations, access controls, and deployment readiness.
- Built a configurable AI agent library with guided authoring, knowledge and tool setup, private testing, sharing, immutable published versions, rollback, and entitlement enforcement.
- Implemented research and document workflows, including PDF export and a configuration-controlled Temporal backend; moved extraction results over 35 MB from PostgreSQL rows to object storage while preserving API responses.
- Developed Vertex AI Search and Model Context Protocol integrations, OAuth authentication, monthly API-key budgets, usage reporting, model pricing visibility, and platform operations improvements.
Exactera Remote
From May 2025
Staff Software Engineer
- Led work to incorporate tax regulation changes into existing products and documented the design as manageable deliverables.
- Co-designed REST API patterns for AWS Lambda and helped migrate existing JavaScript codebases to TypeScript.
Moody’s Ratings Charlotte, NC
November 2019–May 2025
SVP Software Engineering
- Created an internal Angular component library used by more than 30 application teams, alongside reference applications and shared patterns for Angular and .NET Core.
- Introduced a NestJS experience API pattern so front-end teams could develop Angular applications and their APIs together.
- Led a ratings workflow platform MVP that moved 5% of the overall business from legacy platforms; multiple ratings shipped through the new platform.
- Led creation of an SFG analytics workflow intended to connect analysts’ work and reduce manual data-entry and copying risk.
Diligent Corporation Charlotte, NC
November 2018–November 2019
Development Team Lead
- Led development teams modernizing a .NET Framework application built with WinForms and Razor MVC into .NET Core Web APIs with a React front end.
- Containerized the application with Docker for Kubernetes deployment through Rancher, using GitHub-based Git Flow and Jenkins for development CI/CD.
Levvel Charlotte, NC
December 2015–November 2018
Director
- Managed Fortune 50 insurance and Fortune 100 financial client accounts, supporting client relationships, delivery, and account growth.
- Led modernization teams replacing a VB6 underwriting application with C# and Angular, and building a promotional-products application with C# Web API and AngularJS.
- Built a Hubot and Dialogflow chatbot for DevOps workflows; designed authentication integrations and React templates for common sign-in and account flows.
airSpring Software Lexington, KY
March 2013–December 2015
Head of Development
- Led development and directly managed approximately 15 developers and QA staff, including hiring, performance, and team growth.
- Designed and built a SaaS platform for creating business web applications with data-source integrations, low-code configuration, integrated DevOps, and private or public cloud hosting.
- The platform moved from EnyoJS to React, with Node.js, MongoDB, and Socket.IO on the backend; also built data-integration tools with server-side transformation and aggregation.
Skanska USA Building Charlotte, NC
February 2012–March 2013
IT Manager, Architecture & Development
- Led architecture and development teams for business applications, managed the development budget, and partnered with internal clients through delivery.
- Led development of an iOS app for marketing documents and a C# SharePoint plugin for downloading multiple files together.
HP (Exstream Software) Lexington, KY
July 2005–February 2012
Software Designer VI
- Led the Dialogue Engine team’s weekly coordination and defect triage, and mentored developers across locations.
- Designed and developed a cloud service for real-time document creation using AWS and Python.
- Designed a WCF and C# communications layer for sharing design objects across databases; contributed to an enterprise RIA built with Adobe Flex, Java, and C++.
Practice
Skills
Current
AI, knowledge & workflows
- LLM and model-gateway integrations
- Vertex AI Search
- Model Context Protocol
- Temporal (configuration-controlled)
- OAuth
Application engineering
- Python
- TypeScript
- Angular
- PostgreSQL
- Redis
Cloud & delivery
- Amazon S3
- Kubernetes
- uv
- CI/CD
- Automated testing
Established
Application & APIs
- C# and .NET
- React
- AngularJS
- NestJS
- Node.js
Cloud & delivery
- AWS
- Docker
- Rancher
- Jenkins
Data & integration
- MongoDB
- Socket.IO
- SharePoint
- WCF
- Java
- C++
Study
Education
Centre College
Danville, KY
Bachelor of Science in Computer Science
Mathematics minor August 2001–May 2005
Computer Science Prize, awarded to the top Computer Science graduate
Selected work
Selected work
Current areas of contribution
Enterprise AI assistant
Contributed to the September 2026 Moody’s Ratings launch, making the assistant available to an audience of more than 5,000 users.
Configurable AI agents
Built the authoring, testing, sharing, publishing, rollback, and entitlement features behind a reusable agent library.
Research and document workflows
Connected research tools and PDF export with configuration-controlled workflow orchestration and scalable extraction storage.
Enterprise knowledge and controls
Integrated search, bulk document ingestion, MCP tools, OAuth, API-key budgets, usage reporting, and model-price comparison.
Correspondence
Contact
jzywien@gmail.comHarrisburg, NC
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