How I Built a Multi-Tenant SaaS with Spring Boot: A QR Menu Platform for Restaurants
A case study of MenuApp, a multi-tenant QR menu platform: one Spring Boot API, two React apps, and the decisions that keep every restaurant's data apart.
Practical guides to backend systems, automation and developer tools
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Building an AI Resume Matcher That Explains Its Score (Spring Boot, Ollama, pgvector)
How I built ResumeAI: exact matching first, embeddings second, evidence rules third, and a score a user can trace line by line. AI runs locally, so CV data…
Case Studies
Building a Stock Backtesting Platform for the Casablanca Stock Exchange (and What the Data Said)
CasaTrend collects Casablanca market data every evening, scans for signals and runs reproducible strategy research. Here is how it is built, and why the most useful result was a negative one.
Lead Generation Automation for a Clinic: Quiz Funnel, AI Report and n8n Follow-Ups
A case study: a React quiz funnel that qualifies patients, an n8n workflow that writes and emails a personal PDF report, and timed follow-ups for people who did…
WordPress Automation with n8n: Running a Blog with Four AI Agents
How ajmani.dev runs with four n8n agents and a custom WordPress theme: what each agent does, how they talk to WordPress, and where a human still approves.
Case Studies
Cash on Delivery Landing Pages with Next.js: How I Built a Product Page System for a Fashion Brand
A case study: a Next.js system where a new product page is one config file, orders are validated and saved in PostgreSQL, and every purchase is tracked for the ads.