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Senior Full-Stack, Web3 & Digital Growth Engineer. I build high-converting web systems, autonomous AI workflows, and data-driven marketing engines your business runs on.

Commerce, custom web apps, desktop tools, APIs, AI agents, and 360° digital marketing systems. Ten years of engineering real business growth.

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What do you need?

17 projects

Selected work

Screenshots, the facilities in the build, and a live link. Open the case study for the architecture.

Asia Web3 & AI Alliance Japan (AWAJ) screenshot

Custom Web Apps

Asia Web3 & AI Alliance Japan (AWAJ)

  • Next.js
  • PHP Backend
  • Tailwind CSS
  • CMS Engine
  • PostgreSQL
  • Membership Application & Approval Workflow System
  • Dynamic Programs, Events & News Management Engine
  • Custom Admin Dashboard for Managing Ecosystem Partners
  • Fully Responsive Corporate Platform Architecture
Autonomous Business Workflows & AI Event-Driven Pipelines screenshot

Business Automation Workflows

Autonomous Business Workflows & AI Event-Driven Pipelines

Before. Businesses waste 20+ hours weekly manually replying to leads, copying data between CRMs, sending emails, and posting updates.

After. We build zero-maintenance event-driven workflows that trigger automatically—when a lead arrives, AI filters it, sends a WhatsApp/Email response, updates the CRM, and dispatches social posts without any human intervention.

  • n8n
  • Google Gemini / OpenAI
  • Webhooks
  • WhatsApp / Email APIs
  • Social Media APIs
  • Multi-Platform Integration: Email, WhatsApp, Telegram, LinkedIn & Meta Ads
  • Smart AI Context Filtering & Instant Personalized Response Generation
  • Event-Driven Webhook Triggers & Multi-Step Logic Chains
  • 100% Autonomous Execution — Saves 80% Operational Time
Custom RAG AI Agents & Autonomous Business Assistants screenshot

AI Agents & LLM Apps

Custom RAG AI Agents & Autonomous Business Assistants

  • Groq / GPT-OSS
  • Vector Databases (RAG)
  • React / Node.js
  • WhatsApp & Calendar APIs
  • Custom Knowledge Base Trained RAG AI Agent Architecture
  • Sub-Second Neural Search & Contextual Chat Interface
  • Automated Lead Qualification & Direct WhatsApp / Calendar Handoff
  • Deployable across Web Apps, Portals, and Customer Service Hubs

How I work

  1. 01

    Map the operation

    What the business does today, where it breaks, and what finished looks like in the work itself. Not a slide.

  2. 02

    Build the system

    Custom code against that workflow. One codebase your team can run, not a stack of rented apps.

  3. 03

    Leave it running

    The paths your staff actually use, a handover, and a direct line while the first real week settles.

Tech stack

Tools used on production work. The list is what I will actually put in a build, not a logo wall.

Frontend

  • React
  • Next.js
  • TypeScript
  • Tailwind CSS
  • Bootstrap
  • Shopify Liquid
  • WordPress

Backend & Databases

  • PHP
  • WordPress
  • WooCommerce
  • Shopify
  • Node.js
  • Express
  • MySQL
  • PostgreSQL
  • MongoDB

Web3 & APIs

  • ICP
  • XRPL
  • REST APIs
  • OpenAI/Gemini Integrations

Deployment & Tools

  • Cursor
  • Vercel
  • DigitalOcean
  • Cloudflare
  • Git

About the developer

Gaurav Sharma

Senior Full-Stack, Web3 & Digital Growth Engineer

10+ years of engineering production web applications, autonomous AI workflows, and scalable digital marketing infrastructure.

Tell me what has to run.

Available for freelance contracts, custom development, and a technical consult before you commit to a build.

Request Your Custom Marketing Blueprint

Send the brief on WhatsApp and by email. A copy is saved here as well.

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