Building
Systems &
Interfaces.
Architectural blueprints, case studies, and engineering logs by Shihab Shahriar Antor — AI Engineer & Founder of Shahriar Labs.
Index / Entries
Sorted by discipline — newest first within each section
Case Studies
Products built & shipped
How I Built LetX: Real-Time Collaborative LaTeX
I built LetX, a real-time collaborative LaTeX editor, using CRDTs for conflict-free editing and sandboxed Docker compile. Here's the full architecture.
Building QuantumSketch: AI + Manim for STEM Video
QuantumSketch turns prompts into narrated STEM videos by chaining an LLM with Manim. Here's how I architected the full pipeline from prompt to MP4.
How I Built BikroyBuddy: AI Social-Commerce Agent
BikroyBuddy is an AI shopping agent for Bangladesh handling discovery and negotiation over chat, serving 5,000+ users. Here's the full architecture.
Designing Bagh: A Bengali Programming Language
Bagh is a Bangla-first programming language I designed that compiles to Python, letting kids and beginners code in their mother tongue. Here's how I built it.
AI Engineering
Agents · RAG · LLMs · inference
Backend & Infra
Go · PostgreSQL · AWS · containers
Web & Frontend
Next.js · TypeScript · SEO · deploy
Founder & Tools
Lessons from building solo
About & Hire
Who I am · how to work together
Who Is Shihab Shahriar Antor? AI Engineer & Founder
Shihab Shahriar Antor is an AI Engineer and founder of Shahriar Labs, based in Dhaka, Bangladesh, who builds AI agents and products like LetX and QuantumSketch.
Open File →Work With Shihab Shahriar Antor: AI Engineering
Shihab Shahriar Antor is available for AI engineering and product work — building agents, full-stack products, and cloud architecture. Here's what I do and how to engage.
Open File →Shihab Shahriar Antor
AI Engineer & solo founder. Based in Dhaka, Bangladesh (GMT+6). Building at the intersection of complex AI systems and brutalist simplicity.
Founder of Shahriar Labs. Six live products — LetX, QuantumSketch, BikroyBuddy, Bagh, ComiKola, offSchool. 170+ public repos on GitHub.
Full Profile →Who is Shihab Shahriar Antor?
Shihab Shahriar Antor is an AI Engineer and solo founder based in Dhaka, Bangladesh. He is the founder of Shahriar Labs and has built six live AI products including LetX (collaborative LaTeX), QuantumSketch (AI math video generation), and BikroyBuddy (WhatsApp commerce agent with 300k+ users).
What is _SH Log's?
_SH Log's is a technical blog by Shihab Shahriar Antor covering AI engineering, Go backend development, system design, and product case studies. It publishes real architecture decisions, cost breakdowns, and engineering trade-offs from building production AI systems.
What topics does this blog cover?
This blog covers AI agent architectures, RAG in production, LLM cost optimization, Go microservices, PostgreSQL with pgvector, multi-agent systems, Temporal.io workflows, Next.js 15, Cloudflare Pages deployment, TypeScript patterns, Terraform, Docker, and product case studies from real shipped software.
How can I work with Shihab Shahriar Antor?
Shihab is available for embedded engineering, product builds, architecture reviews, AI integration, and infrastructure audits. Email shihab@shahriarlabs.com or visit the /hire page for engagement types and past work.