Missak Boyajian
Software Architect
With over 10 years of experience in Healthcare, Fintech, and Payment Processing, I specialize in building high-performance backend systems where data integrity isn't just a feature—it's a requirement.
DB Architecture
Complex schema design & optimizationBackend Systems
High-traffic transaction processingEngineering Lead
Mentoring global dev teamsMy Journey
PostgreSQL has been the backbone of nearly every mission-critical system I’ve architected. From managing sensitive patient records in healthcare to processing millions of transactions in financial systems, I’ve seen where SQL queries succeed and where they fail under pressure.
I don't believe in teaching "syntax in a vacuum." My approach is rooted in production reality. I've spent years optimizing production queries, fixing indexing strategies, and handling high-traffic workloads. This course is the distillation of those hard-learned lessons.
The Goal of This Course
I want to bridge the gap between "knowing SQL" and "mastering PostgreSQL." By the end of our time together, you won’t just be writing queries; you’ll be designing data systems that are scalable, reliable, and efficient.
Teaching Philosophy
Learning by Doing
Theory is forgotten; practice is retained. Every lesson is anchored by a hands-on project that mirrors real software engineering tasks.
Production-First
We don't use "toy" examples. We use datasets and schemas that look exactly like what you'll find at a real tech company.
Clarity & Conciseness
Your time is valuable. I focus on high-impact concepts and clear explanations without the fluff.