Insights & Engineering Notes
Practical articles on building fast, scalable software — straight from our team.
- 35 articles
Engineering6 min read
Multi-Tenant SaaS Architecture Patterns: A Practical Guide
How to serve many customers from one SaaS product: the three data isolation patterns, enforcing tenant isolation, and scaling without noisy neighbors.
Mazen Salah
Engineering6 min read
Next.js App Router: A Practical Guide for 2026
What the Next.js App Router and server components mean for your business in 2026, plus when it is the right choice and when to think twice.
Mazen Salah
Engineering6 min read
Building Offline-First Mobile Apps with Flutter
How to build Flutter apps that stay fast and reliable without a connection using a local database, sync queue, and clear conflict rules.
Mazen Salah
Engineering6 min read
The Architecture Behind an On-Demand Delivery App
How an on-demand delivery app really works: the services, real-time tracking, and logistics architecture that keep orders moving at scale.
Mazen Salah
Engineering6 min read
Integrating Payment Gateways in the GCC: mada, Apple Pay, and HyperPay
How to build a GCC checkout that converts: choosing a processor, integrating mada, Apple Pay, and HyperPay, plus webhook and security essentials.
Mazen Salah
Engineering6 min read
Postgres Indexing Strategies for Faster Queries
Practical Postgres indexing strategies that turn slow queries fast: B-tree, composite, GIN, partial and expression indexes, plus reading the query plan.
Mazen Salah
Engineering6 min read
A Pragmatic Testing Strategy for Mobile Apps
Where to spend your mobile QA effort and where not to: a pragmatic testing strategy built around the testing pyramid and real-world risk.
Mazen Salah
Engineering6 min read
Push Notifications Done Right on iOS and Android
How to do push notifications right with FCM on iOS and Android: permissions, segmentation, deep links, and reliability that drive mobile engagement.
Mazen Salah
Engineering5 min read
Progressive Web Apps vs Native Apps: The 2026 Reality
PWA or native in 2026? iOS now supports web push and installable PWAs. A practical framework to pick the right path for your product and budget.
Mazen Salah
Engineering6 min read
React Server Components Explained: A Business Guide
What React Server Components mean for performance, SEO, and cost, how they work with Next.js, and when they are the right choice in 2026.
Mazen Salah
Engineering6 min read
Adding Real-Time Features with WebSockets: A Practical Guide
How WebSockets power live updates, where real-time features pay off, and what your backend needs to handle them at scale.
Mazen Salah
Engineering6 min read
Designing Scalable REST APIs for Mobile Backends
How to design REST APIs that keep mobile apps fast and reliable as they scale: endpoint shape, pagination, retries, caching, and versioning.
Mazen Salah
Engineering6 min read
Securing Your Web Application: An OWASP Checklist
A practical OWASP-based checklist for web security: access control, input handling, configuration, and dependencies that prevent real breaches.
Mazen Salah
Engineering5 min read
Supabase vs Firebase: How to Choose the Right Backend
A practical comparison of Supabase and Firebase covering data models, vendor lock-in, real-time, auth, and pricing to help you pick the right backend.
Mazen Salah
Engineering6 min read
TypeScript Best Practices for Large Codebases
Practical TypeScript best practices for large codebases: strict mode, replacing any, domain modeling, project structure, and tooling that enforces type safety.
Mazen Salah
Engineering6 min read
Web Accessibility (WCAG) for Real Products: A Practical Guide
What WCAG 2.2 AA actually requires, the defects that break real products, and how to build accessibility in without slowing delivery.
Mazen Salah
Engineering6 min read
Web Caching Strategies Every Developer Should Know
A practical guide to browser, CDN, and application caching, and how to pick a strategy that keeps your site fast without serving stale content.
Mazen Salah
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