SHIHABRAJENDRAN.
DIGITAL PRODUCT BUILDER // SOFTWARE DEVELOPER
Building Digital Experiences. Engineering Intelligent Solutions.
Turning Ideas into Real Solutions.
Software developer, AI solutions architect, and digital product builder based in Palakkad & Coimbatore. Designing enterprise POS engines, Meta WhatsApp Cloud bots, and interactive 3D web systems for South India and global businesses.
INTERACTIVE SCULPTURE // DRAG OR HOVER TO ROTATE
CURRENT GEOMETRY: nexus
System Specifications.
Enterprise software engineering, autonomous business AI, and spatial 3D web architecture.
“Great software is an invisible leverage engine that empowers business owners and creators to think faster, operate smoothly, and dominate their regional markets without platform commissions.”
Shihab Rajendran
Digital Product Builder & Systems Architect
Palakkad & Coimbatore • South India
Core System Parameters
Software & Business Solutions
High-speed cloud POS systems, multi-slab GST tax calculation, multi-store barcode inventory synchronization, and zero-latency counter operations.
AI-Driven Systems & Automation
Official Meta WhatsApp Cloud API bots, automated lead qualification, smart booking agents, and RAG-grounded Gemini intelligence engines.
Product Thinking & Spatial 3D UI
Spatial Three.js web applications, keyboard-first cashier ergonomics, and custom-engineered digital systems that actually convert visitors into loyal customers.
Selected Systems & Live Production Demos.
Every single system listed below is a fully deployed, high-performance digital product running in live production with zero platform commissions.
🧾MachanBill — Cloud POS & GST Invoicing
Omnichannel Retail & Restaurant Billing Suite
Cloud-native omnichannel POS system for retail shops, supermarkets, and restaurants. Fast barcode scan, thermal printing, GST filing, and automated WhatsApp receipt delivery.
🧠Prompt OS — AI Prompt Engineering Studio
Enterprise Prompts, Blueprints & AI Workflows
Premier AI prompt engineering environment with 20,000+ industry blueprints, Midjourney image prompts, automated code assistants, and multi-model orchestration.
🤖CareTech AI — Autonomous Business Agents
Meta WhatsApp Cloud Bots & Agentic CRM
Full-stack AI automation platform deploying official Meta WhatsApp Cloud API bots, automated lead qualification, smart appointment booking, and customer CRM sync.
🥘AMMA × RUCHI
Premium Fresh Batter & Traditional Kitchen Foods
Authentic South Indian Idly, Dosa, and Palappam batters prepared with hydrogen mineral water. Interactive fresh order booking with WhatsApp delivery.
💧Aqua Hydro 3D
Pure Mineral Drinking Water 3D Experience
Official 3D Experience for Aqua Hydro by Amma Foods & Beverages. Interactive 20L can & bottle booking with subscription scheduling.
🧾EasyBill POS
Complete Billing & Inventory Management System
Cloud-ready POS billing software for retail shops, supermarkets, and wholesale dealers. Fast barcode scanning, thermal printing & GST reports.
💼CareTech Billing Cloud
Best GST Billing Software for Small Businesses
Modern desktop & web-based billing engine with ledger accounting, vendor management, and instant WhatsApp invoice dispatch.
🏗️BuildoTech Kerala
Premium Home Construction — Plot to Possession
End-to-end luxury villa and home construction portal. Interactive cost estimator, architectural floorplans, and turnkey project showcases.
📐Interior Studio
Luxury Modular Kitchen & Living Space Interiors
Bespoke interior design showcase featuring modern aesthetic galleries, materials selector, and direct interior quote consultation.
🏢Property Hub India
Buy, Rent & Discover Premium Projects
Complete real estate listing portal with property filters, amenity checklists, floor plans, and direct agent connection via WhatsApp.
🍽️7-Day's Gourmet
Fine Dining Restaurant & Heritage Recipes
Luxury restaurant website with mouth-watering menu presentation, chef specials, table reservation booking, and 0% commission direct orders.
🍯Pure Drop Honey
100% Pure Raw Natural Forest Honey
High-conversion organic e-commerce storefront for pure forest honey. Customer reviews, purity certification proof, and instant cart checkout.
🧊AmmaWater Pure
Ultra-Premium 7-Stage Mineral Hydration
Commercial mineral water delivery website serving Kerala. Automated bulk water orders for events, offices, and residential communities.
🤖CareTech AI Writer
Autonomous AI Content Generation Studio
Next-gen AI copywriting and content generation platform demo for digital marketers, bloggers, and business owners.
🎓Rank-5 AI Education
Future-Ready AI Academy & Learning Portal
EdTech and academy portal with course catalogs, syllabus downloads, student registrations, and AI-assisted learning demonstrations.
⚡MachanPrompt — AI & Business Tools OS
20,000+ AI Prompts & Indian Financial Calculators
All-in-one AI prompt library and commercial utility suite. Includes 10 free industry blueprints, GST/EMI/Profit calculators, and a 20,000+ VIP Midjourney vault.
🦷SmileCare 3D Dental Clinic
Interactive 3D Treatment Care & Booking
Built-in Next.js 3D dental clinic experience with treatment guides, laser dentistry showcases, and patient consultation booking.
🛋️WoodCraft 3D Living
Solid Teak Hardwood & Bespoke Interior Furnishings
Bespoke 3D furniture showcase with room-by-room suites, solid teak warranty certifications, and custom dimension quote generator.
💎Aura Fine Jewels
Heritage 22KT 916 Gold & Certified Diamonds
Royal jewellery showroom featuring live daily gold & silver rates, bridal collection showcases, and private VIP consultation bookings.
👗Kanchi Silks & Textures
Handcrafted Sarees & E-commerce Boutique
Built-in Next.js e-commerce boutique with lightning fast catalog browsing, filterable sarees, interactive cart, and checkout.
Engineering Ecosystem & Stack.
Select a domain to inspect the production technologies powering Shihab’s AI systems and software infrastructure.
Next.js 15 App Router
Turbopack, Server Actions, Edge SSR
TypeScript 5
Strict end-to-end type safety
Three.js & WebGL 2.0
Procedural 3D shaders, GLTF pipelines
Tailwind CSS 4
High-performance utility styling
Framer Motion
Kinetic choreography & 3D micro-interactions
PostgreSQL & Supabase
Row-Level Security, Realtime CDC
Prisma ORM
Automated type-safe database migrations
Node.js & Express
High-concurrency microservice APIs
Python & FastAPI
High-throughput async AI gateways
Cloudflare Workers
Sub-15ms edge compute distribution
Gemini 2.0 Flash & Pro
Autonomous reasoning, function calling
RAG Architecture
Curriculum-aware semantic retrieval
Vector Embeddings
Pgvector cosine distance matching
Meta Cloud WhatsApp API
Official webhook bots, interactive CTA catalogs
Thermal ESC/POS Invoicing
High-speed 80mm/58mm counter printing
UPI 2.0 & Dynamic QR
Zero-commission instant merchant settlements
Engineering Journey & Achievements.
Real-world delivery milestones across enterprise billing, AI platforms, and high-conversion e-commerce.
Founder & Chief Systems Architect — CareTech AI Business OS
Architected CareTech AI Business OS, MachanBill POS, and CareTech Cloud Billing, integrating official Meta WhatsApp Cloud API, GST filing engines, and automated business workflows.
AI Solutions Creator & Systems Architect — Rank-5 & MachanPrompt
Designed and deployed Rank-5 AI Education Portal with RAG architecture, alongside MachanPrompt AI Studio featuring 20,000+ verified prompts and financial calculators.
Full-Stack & 3D Web Engineer — Spatial E-Commerce Showrooms
Engineered high-performance interactive 3D web applications for Aqua Hydro Pure Water, WoodCraft Living, SmileCare Dental 3D, and Kanchi Silks Boutique.
“Technology Should Feel Human.”
The best software does not intimidate the user with complexity—it understands their intent, respects their attention, and multiplies human capability.
Purposeful Intelligence
AI is never implemented as a novelty gimmick. It must tangibly save hours, capture lost revenue, or eliminate repetitive administrative friction.
Invisible Ergonomics
Whether it is a cashier processing 1,000 bills a day or a customer ordering on WhatsApp, every interaction must feel fluid, tactile, and natural.
Zero-Aggregator Freedom
Businesses deserve direct customer relationships and zero platform commissions instead of surrendering 30% margins to rent-seeking middlemen.
Have an Ambitious Project? Let’s Build It.
Direct consultation for custom software development, Meta WhatsApp bots, 3D interactive web apps, or AI integration.
+91 94952 53265
shihab2em@gmail.com
Palakkad, Kerala & Coimbatore, Tamil Nadu