Michael Perrenoud

Architected high-scale backend services for Ulta's loyalty ecosystem processing 14M coupons/hour, delivered a marketplace integration with 7-figure impact, and resolved critical reliability issues.

Promoted to Principal within first year; led modernization of legacy COBOL rating algorithms to a C# API platform with 10x performance, and released a near real-time rating system to production.

Helped lead a platform team to meet quarterly delivery goals for the first time in over a year, delivering Auth0-based authentication modernization and account security improvements within six months.

Drove modernization of mainframe-era sales systems, led one of GEICO's first Azure implementations, rebuilt a monolithic sales API into microservices, and brought an LLM chat-to-quote experience to production.

Rescued a delayed pilot-platform initiative, leading a 16-engineer team to deliver on time with more scope than expected, while improving shared platform patterns and developer productivity.

Delivered a greenfield event management portal and built scalable Azure-based solutions, while reducing cost and improving performance by eliminating unnecessary Azure Front Door usage.

Managed 15-20 enterprise accounts and cross-functional delivery teams, broke company add-on sales records, and increased annual bottom-line contribution by six figures.

Helped lead the Microsoft Access-to-.NET migration as a founding engineer on the first RiteTrack platform, and architected a WYSIWYG designer that cut time-to-market by more than 50%.

Rebuilt a failing support operation around an intelligent priority queue, transforming it into the most efficient support team in company history.

Extended AccountMate FoxPro/Visual FoxPro implementations across inventory, payroll, and accounts, and built custom .NET and ERP modules for specialized business workflows.

Earned an Associate of Applied Science in Computer Programming from Indian Hills Community College from 1999 to 2001.