John Sermini
Principal Software Architect | Enterprise Architecture | Cloud, SaaS, Distributed Systems | Engineering Leadership | AWS & Azure
- Role
- Senior Software Architect, Golf Technologies at PGA TOUR
- Location
- Jacksonville, FL, US
- LinkedIn followers
- 500 followers
About John Sermini
I’m a Principal Software Architect and Software Development Manager with 28+ years of experience designing and delivering enterprise-scale systems across sports, healthcare, telecom, financial services, and global data platforms. I currently lead engineering and architecture initiatives as well as manage a team of developers and have driven significant improvements in engineering efficiency, reducing support and defect workload from over 60% to approximately 20% through architectural modernization and process improvements. My experience spans: Enterprise architecture and system design Multi-tenant SaaS platforms and identity integration (OAuth2 / BYO IdP) Real-time distributed systems (SignalR, event-driven architectures) Cloud platforms including AWS and Azure Leading engineering teams and mentoring developers Previously, I’ve led architectural efforts across organizations of 30+ engineers and delivered high-scale systems in telecom and healthcare. I specialize in modernizing legacy systems into scalable, cloud-native platforms while improving delivery speed, reliability, and business outcomes. At this stage, I’m focused on Principal Architect and Director of Architecture opportunities where I can combine technical leadership with organizational impact.
Experience
Senior Software Architect, Golf Technologies
Mar 2022 — Present · Ponte Vedra Beach, FL, US
Re-architected a major legacy platform to improve performance, maintainability, and long-term extensibility• Served as a technical leader for agile transformation initiatives, establishing modern engineering practices and delivery processes• Drove DevOps adoption and CI/CD pipeline modernization, increasing deployment speed and reducing production risk• Partner with security teams to strengthen application posture and implement secure development practices• Mentor engineers, guide design decisions, and support consistent implementation of architectural direction
Education
University of Denver
Master's degree, E-Commerce/Electronic Commerce
1998 — 2003
University of Denver
Advanced Learning Certificate, E-Commerce/Electronic Commerce
Regis University
Bachelor's degree, Computer Information Systems
1996 — 1998
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