RT Rustam Timalsina
Insights & Learnings

Engineering Reflections.

A collection of project case studies, architectural decisions, and honest takeaways from building software systems.

Zero-Leakage Local RAG Architecture
AI Systems & Retrieval Architecture October 2025

🔒 Designing Zero-Leakage Local RAG

Air-gapped document ingestion, 384-D vector indexing, ChromaDB cosine similarity, and dynamic threshold gating in Uriel.

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NexusAI Studio Architecture
AI Systems & Architecture October 2025

⚡ Architecting Real-Time AI Workspaces

SSE token pipes, client-side message reconciliation, and sandboxed AI persona state in React & Node.

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How I Built My First Portfolio
Frontend & Deployment October 2025

🚀 How I Built My First Portfolio

From a blank editor to deploying on Vercel — my step-by-step journey of coding vanilla HTML/CSS and shipping early.

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Why I Chose ASP.NET and C#
Backend Architecture October 2025

⚙️ Why I Chose ASP.NET & C# for My Project

A beginner's perspective on Microsoft's robust ecosystem, strong typing confidence, and building structured backends.

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Lessons From Building My First Game Backend
Systems & APIs October 2025

🎮 Lessons From Building My First Game Backend

What I discovered while connecting REST APIs, session persistence, and relational databases for a game prototype.

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