Knowledge Base & Technical Deep Dives
Architecture patterns, deployment strategies, case study breakdowns, and engineering philosophy from the PD Technology team.
Why We Chose PHP 8.4 for High-Concurrency Enterprise Platforms
A deep dive into our decision to standardize on PHP 8.4 with OPcache JIT, Fibers, and MariaDB for systems handling 10K+ concurrent requests.
Building a Real-Time Client Portal with Server-Sent Events
How we implemented real-time project updates, chat, and notifications using PHP SSE instead of WebSockets — and why.
React Native Biometric Authentication: A Production Guide
Step-by-step implementation of fingerprint and face ID authentication in React Native with secure token storage and biometric key attestation.
Zero-Downtime Deployment Pipeline with Docker & MariaDB Galera
Our CI/CD architecture for deploying database migrations across a MariaDB Galera cluster without a single second of downtime.
NLP-Powered Document Classification for Enterprise SaaS
How we built a custom NLP pipeline to classify and route 50K+ documents per day for a logistics enterprise.
Designing a Scalable Multi-Tenant Architecture in React & PHP
Patterns for isolating tenant data, custom domains, and rate limiting in a shared-nothing multi-tenant PHP backend.