Architectural Deep Dives

Real Products. Real Systems. Real Problems.

Transparent architectural breakdowns: how real business bottlenecks were diagnosed, engineered, and shipped to production.

Case Study 01Cold Email Outreach & Follow-Up Automation

Followkite

Architecture & Stack

Connected-mailbox sending, sequence scheduling, domain health checks, reply detection and workspace-wide suppression workflows.

Business Value Delivered

Centralizes outreach and replies while reducing manual follow-up work and stopping sequences when a recipient responds or opts out.

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The Challenge / Problem

Teams managing outreach across several mailboxes struggle to coordinate follow-ups, track replies and protect sending reputation.

The Engineered Solution

Built an outreach platform that combines mailbox connections, personalized sequences, controlled sending, domain monitoring and a shared reply inbox.

Key System Features

Gmail, Google Workspace and SMTP/IMAP connections

CSV contacts, email verification and custom fields

Personalized sequences with A/B versions

Per-inbox limits, randomized gaps and timezone scheduling

SPF, DKIM, DMARC and blocklist checks

Unified reply inbox with threaded conversations

Stops on reply, bounce or unsubscribe; automatic campaign pauses

Case Study 02Universal POS & Business Management Software

UniPOS Cloud

Architecture & Stack

Service worker and IndexedDB caching, queued offline transactions, cloud synchronization, tenant-scoped access and role-based accounts.

Business Value Delivered

Keeps checkout available during connectivity interruptions and brings sales, stock and purchasing into one operational system.

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The Challenge / Problem

Businesses need checkout and stock management to stay connected without sales stopping when their internet connection drops.

The Engineered Solution

Built a universal POS combining checkout, inventory, supplier purchasing and reporting with local caching, offline transaction queues and automatic synchronization.

Key System Features

Offline checkout with queued sales and automatic cloud sync

Barcode checkout, split payments and hold-and-recall

Stock tracking, low-stock alerts, categories and brands

Supplier records, payables and purchase orders

Returns, refunds, receipts and shift management

Sales, profit-margin and stock-valuation reports

Role-based accounts, multi-branch plans and CSV imports

Five editions: Web, Android app, Windows Cloud, Windows Lite and Windows Offline

Android app connected to the same cloud account as the web dashboard

Case Study 03AI Front Desk & Healthcare CRM

DentalLeadCRM

Architecture & Stack

Next.js App Router, PostgreSQL database, Prisma ORM, Meta Graph API (WhatsApp/Instagram/Facebook), Resend email, and an event-driven webhook pipeline.

Business Value Delivered

Eliminates lost patient calls, centralizes clinic communications into one audit-ready dashboard, and automates patient intake without requiring additional front-desk staff.

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The Challenge / Problem

Dental clinics lose patient enquiries when inquiries arrive through fragmented channels (website, WhatsApp, Instagram, Facebook) outside working hours or remain unorganized in spreadsheets.

The Engineered Solution

Engineered an autonomous AI receptionist and dedicated patient CRM that captures every enquiry 24/7, handles triage questions, schedules bookings, and manages follow-ups.

Key System Features

24/7 autonomous dental receptionist

Unified multi-channel inbox

Automated appointment calendar scheduling

Patient treatment value & pipeline stages

Automated re-engagement follow-up sequences

Case Study 04AI Website Assistant & Lead Qualification SaaS

ChatBot ShahabDev

Architecture & Stack

Next.js, TypeScript, PostgreSQL, Vector retrieval / RAG engine, embeddable iframe/script widget architecture, and real-time conversation streaming.

Business Value Delivered

Converts passive website traffic into qualified leads around the clock and provides business owners with instant email alerts and conversation transcripts.

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The Challenge / Problem

Website visitors leave without converting when they cannot find immediate, specific answers to their questions, resulting in high bounce rates and lost sales leads.

The Engineered Solution

Designed and deployed a multi-tenant AI website chatbot that ingests custom website documentation and answers visitors 24/7 while automatically capturing qualified leads.

Key System Features

Knowledgebase document & URL crawling

Automatic lead capture & qualification forms

Custom branding & color personalization

Embeddable via single script tag

14-day free trial self-serve SaaS onboarding

Case Study 05Technical SEO & AI Search (AEO) Platform

InstantSEOScan

Architecture & Stack

Next.js App Router, DeepSeek AI API integration, PostgreSQL, Prisma, headless DOM crawling engines, and automated PDF/web report generators.

Business Value Delivered

Empowers agency owners and webmasters to diagnose technical search bottlenecks in seconds, verify AI engine readiness, and attract client prospects through branded audits.

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The Challenge / Problem

Traditional SEO software suites are bloated with complex pricing models and lack clear guidance for modern AI-assisted search (Google AI Overviews, ChatGPT, Perplexity).

The Engineered Solution

Built a 30-tool SEO audit platform offering deep technical inspections, structured schema diagnostics, keyword research, and Answer Engine Optimization (AEO) reports.

Key System Features

30 built-in specialized SEO diagnostic tools

Technical SEO, core web vitals & schema validation

AI search visibility (AEO/GEO) audits

Instant shareable audit reports

Integrated lead generation audit widgets

Case Study 06AI Web Development Practical Education

ShahabDev Academy

Architecture & Stack

Dedicated education platform at course.shahabdev.com, structured video modules, prompt engineering guides, GitHub repo templates, and Cloudflare deployment blueprints.

Business Value Delivered

Bridges the gap between having an idea and shipping a live digital product, equipping students with real-world skills to launch websites and software independently.

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The Challenge / Problem

Beginners and non-technical founders struggle to build real web products because traditional coding tutorials focus on syntax memorization rather than practical AI-assisted execution.

The Engineered Solution

Created a project-first AI web development course teaching students how to ideate, build, debug, and publish real web applications using modern AI tools and modern web hosting.

Key System Features

Step-by-step practical AI website development

GitHub version control & collaboration workflows

Cloudflare DNS, SSL, and domain configuration

AI error troubleshooting & debugging techniques

Hands-on portfolio and SaaS building exercises

Have a Complex System That Needs Building?

I collaborate with founders and businesses worldwide to architect, develop, and ship custom software with clean code and no technical debt.

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