The archive

Practical investigations into SaaS engineering.

System design, AI-first workflows, data analytics, startup infrastructure, and real product lessons.

Case Files

Case Files

Case Files By Bhupendra Joshi

Case #001: Designing an ATS Candidate Pipeline From First Principles

A practical system design breakdown of an applicant tracking candidate pipeline, from actors and states to audit logs and AI-first workflows.

system designatsworkflowsaas

Build Log

Build Log

Build Log By Deborah Joshi

Build Log #001: Why Sahacharya Became Our SaaS Case Lab

Why The SaaS Casebook uses Sahacharya, a real ATS/HR SaaS product, as a living lab for practical lessons in SaaS architecture, AI-first workflows, analytics, and zero-cost infrastructure.

sahacharyasaasbuild in publicsystem designai-first saas

Zero-Cost Stack

Zero-Cost Stack

Zero-Cost Stack By Deborah Joshi

GitHub Pages vs Vercel vs Cloudflare Pages: Best Hosting for a Blog

A practical comparison of GitHub Pages, Vercel, and Cloudflare Pages for a fast, cheap, SEO-friendly technical blog.

hostinggithub pagesvercelcloudflareseo
Zero-Cost Stack By Deborah Joshi

The $0 SaaS Stack: How to Launch Before Paying for Infrastructure

A practical starting stack for SaaS builders who want to launch lean, stay fast, and avoid premature infrastructure costs.

saasinfrastructurefounderhosting