Essays & Tutorials
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Architecting CodeArena: Building a Scalable Sandboxed Code Execution Engine with Docker & Redis
How we engineered CodeArena — the #1 ranked platform among 45+ competing teams — featuring secure multi-language Docker code evaluation, sub-30ms execution telemetry, and Redis queue workers.
Building CareerTrack: Crafting an AI-Powered Job Tracker with Next.js 15, React 19 & Prisma
A technical deep-dive into architecting CareerTrack: full-stack Kanban state synchronization, multi-provider AI integration (Gemini, Claude, OpenAI), and type-safe database schemas with Prisma.
Mastering Real-Time Collaboration: WebSockets and Socket.IO in Production
How to build rock-solid real-time collaborative applications: bidirectional event broadcasting, presence tracking, reconnection resiliency, and optimistic UI updates in React.
The Engineering Mindset: From RUET to Building Production-Grade Software
Reflections on my journey as an engineering undergraduate at RUET, graduating through Programming Hero's SCIC, SCPC, and EndGame tracks, and developing high-caliber software engineering craft.
Next.js 15 & React 19: Essential Production Mental Models & Anti-Patterns to Avoid
Navigating Server Components, React Server Actions, asynchronous request APIs, hydration boundaries, and state management patterns for mission-critical full-stack web applications.
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