Patrick McElhaney

Engineering Leader — Director / Principal / Enterprise Architect
Improving complex systems with small, well-placed interventions. Fix the system, not the symptom.
Southern Pines, NC · Research Triangle Area
pmcelhaney@gmail.com
linkedin.com/in/patrickmcelhaney · patrickmcelhaney.org
Role Signature Initiative Leadership Product Ways of Working Architecture Engineering
Director, Technical Program Mgmt.
Walgreens
Jul 2025 – Present
Agile Engagement Reset
Restored executive confidence in 60 days. Transformation managed as a product backlog. Unified 3 siloed coaches into one function. Shared backlog in Azure DevOps. Realigned incentives to unblock Scrum adoption.
Enterprise Architect
Walgreens
Aug 2024 – Jul 2025
Technology Landscape
Prototype persuaded Enterprise Architecture leadership to adopt it. Filterable view of ownership, standards, and redundancy. Portfolio updates via pull requests, not spreadsheets. Crowdsourced architecture catalog on Git + CI/CD. TypeScript PWA cataloging ~800 enterprise technologies.
Web Front End Architect
Walgreens Health
2021 - 2024
Kiosk PWA Skunkworks Rebuild
Shipped in 8 weeks, replacing a failed consulting engagement. Responsive kiosk with CMS-driven content. Scrum + daily mob programming. Offline-first PWA with service workers. 5-person team replaced a 30-person stalled effort.
Software Engineering Manager / Advisory Engineer
Jack Henry
2018 – 2021
Omega UI Modernization Framework
Led teams through a multi-year platform modernization. Modernized Treasury Management interface. UI modernized without a risky full rewrite. Framework to separate logic from presentation. Web Components for incremental AngularJS migration.
Advanced Software Engineer
Siemens PLM Software
2017 – 2018
Microservice Testing Maturity Framework
Established engineering standards without formal authority. Service quality made visible across the platform. Shared framework for assessing testing discipline. Maturity mapped including TDD adoption. Gaps exposed across ~20 microservices.
Early Career - Software Engineering
Fintech, Media, Manufacturing, Consulting
Built a reputation for solving hard problems under pressure. Customer-facing apps used at scale. Engineering practices that improved delivery. Scalable web architecture for growing platforms. Built production systems across finance, media, and enterprise.
Open Source
Contributor & Inventor
GitHub, Stack Overflow, Slack, etc.
Counterfact - API Simulation Engine
Created and open-sourced Counterfact.
136★ • 18 forks
Early validation of UI flows before APIs exist. AI-assisted prototyping without backend dependencies. Contract-driven, spec-first simulation. OpenAPI / TypeScript sync removes friction