Rajivkumar G Modh
Engineering Leader — AdTech | Healthcare | Distributed Systems
17+ years building scalable backend systems across regulated healthcare + high-scale ad platforms
Live System Impact (Real Scale Metrics)
Career Timeline
Loblaw Digital — Sr Developer / EM (2022–Present)
Built AdTech microservices, Pub/Sub pipelines, Firestore + GCP Cloud Functions
CIHI — Senior Software Engineer (2018–2022)
IAM gateway systems, AWS POCs, healthcare authorization platform
eClinicalWorks (2010–2018)
Patient portal, OAuth/SAML SSO, 500K+ users system
Infostretch (Apexon) (2007–2010)
Java/J2EE enterprise + mobile systems
Case Studies
AdTech / Retail Media Platform
Event-driven ad serving system processing millions of events via GCP Pub/Sub.
Healthcare IAM Gateway (CIHI)
Central authentication + authorization layer for multiple healthcare systems.
Patient Portal System (eClinicalWorks)
Secure EMR platform with SSO, encryption, and large-scale data access.
Featured Project
Recruiter Engagement Heatmap