Proof, not promises
Case Studies & Engineering Notes
Real, verifiable builds and honest explainers on where AI actually helps in software delivery — including the enterprise work still under NDA.
Local Competitor Explorer: A Shortlist, Not a Guess
A focused workspace for discovering nearby businesses, comparing available listing evidence and deciding what to investigate next. Try fictional examples immediately; live Google Places search requires operator configuration and private access.
Auto Middleware: Connect Existing Systems With a Sentence
An open-source middleware that turns a plain-language rule into a validated integration workflow across MySQL, Google Sheets and webhooks. The model helps at design time only; every run is deterministic, and writes wait for approval until you trust them.
WhatsApp AI Bot: Auto-Replies Written by a Language Model
An experimental, open-source bot that answers direct WhatsApp messages with a language model. It was built to explore the pattern on a spare number before committing to the official WhatsApp Business Platform.
MCP Trends: Which MCP Repositories Are Rising?
A live, crawlable ranking of Model Context Protocol servers and clients on GitHub, ordered by stars gained over a day, a week or a month rather than by total popularity.
Shipping Labels for a Multi-Vendor Marketplace
This is a pattern explainer, not a single client story. It covers what goes wrong when a marketplace with many sellers connects to a courier aggregator API for rates, bookings and labels.
Zero-Downtime Deployments for Commerce Platforms
This is a pattern explainer, not a single client story. It covers how a commerce platform can ship without a maintenance window, and what usually breaks first.
Fixing Slow Commerce Storefronts on Shared Storage
This is a pattern explainer, not a single client story. It covers the checks that usually find the real cause of slowness when application code lives on network storage.
ExamDesk: From Question Authoring to Practice Review
An interactive learning showcase connecting editable study material, a question bank, timed practice and answer explanations. Changes stay in your browser.
FolioFlow: From Restaurant Ticket to Room Folio
An original interactive operations prototype linking fictional restaurant orders, kitchen tickets, guest balances, stock and shift reports. No real payments or hotel data.
StayOS: A Hotel-to-Restaurant Workflow Prototype
Explore an independent hospitality UI/UX concept connecting fictional room reservations, arrivals, housekeeping and restaurant tickets. No live hotel or payments.
GEO & SEO Page Audit: From URL to Actionable Checks
A working page-level audit tool that explains its scoring rules. Enter a public URL to inspect initial HTML and review SEO and GEO structure signals; no ranking or AI-citation promises.
Bulk Sign: One Placement Across Multiple PDFs
A browser-only portfolio prototype for positioning a visual mark on the last page of several PDFs, confirming the batch and exporting one ZIP. Not a certified digital signature service.
ClientOS: From Proposal to Client Sign-Off
One connected workspace for a service team and its clients. Explore the complete proposal-to-delivery journey in a working browser demo — with fictional data, not a claimed client engagement.
ZaidanLab Quotes: From Product Request to Reviewed Quotation
An interactive business workflow demo that connects requested items, catalog data, pricing and human approval — without inventing prices or pretending to be a production SaaS.
Kang Ojol: Prototyping a Delivery App in the Browser
Try the customer and driver sides of a delivery workflow with pickup and drop-off locations, maps and order stages — clearly labeled as a demo, not a real courier network.
CV Job Matcher: Compare a CV Against a Real Listing
A separate job-search experiment: find an actual vacancy, compare its description against your CV, and get feedback specific to that listing — not a generic resume score.
JobAI Web: One Search Across Public Job Feeds
A live browser-based job discovery app that searches real listings from multiple public sources, shows where each job came from, and sends applicants to the original listing.
Kalori AI: An AI Nutrition Assistant on Google Play
Most calorie trackers fail the moment logging becomes a chore. Kalori AI was built to remove that friction, and to prove out an AI-accelerated build process end to end.
AI Smart Job Finder: AI-Assisted Career Search
AI Smart Job Finder explores AI-assisted career search in a mobile product published on Google Play, separate from ZaidanLab's browser-based job tools.
How AI Personalization Gets Built Into Enterprise Commerce Platforms
This is a pattern explainer, not a single client story — client names are under NDA — describing how AI personalization work actually gets built into large-scale commerce platforms.
OKX Pulse: A Real-Time Market Signal Dashboard
A personal trading dashboard built to test a market hypothesis rigorously without risking capital — not a signal-selling product, and it never places a real order.
Automating Ecommerce Operations at Scale
This is a pattern explainer, not a single client story — the business names are confidential — describing real automation work across active enterprise ecommerce engagements.
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