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Ajay S.
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Ajay S.

RAG, N8N | OpenClaw| LLM | Web & Mobile Apps | AI Chatbot

Completed 100+ Jobs Successfully | Full-Stack Developer | AI Solutions Architect | SaaS & Mobile App Expert Hi, I’m Ajay a Full-Stack Developer and AI Solutions Architect with 10+ years of experience building scalable web platforms, mobile applications, SaaS products, and AI-powered business solutions for startups, agencies, and enterprises worldwide. I specialize in transforming ideas into modern, high-performance digital products using the latest technologies in AI, automation, cloud infrastructure, and full-stack development. What I Bring to Your Project AI & Automation Solutions * Custom AI chatbot development using OpenAI / ChatGPT APIs * AI-powered CRM, SaaS, and workflow automation systems * Retrieval-Augmented Generation (RAG) & AI knowledge base integration * AI agents, virtual assistants, and intelligent customer support systems * Prompt engineering and AI-driven business automation Full-Stack Web Development * Modern frontend development with React, Vue.js, TypeScript, JavaScript, HTML5, SCSS, and Tailwind CSS * Backend architecture using Laravel, Node.js, REST APIs, and scalable cloud infrastructure * High-performance SaaS platforms, admin dashboards, and enterprise applications * API integrations, real-time systems, and WebSocket applications Mobile App Development * Cross-platform app development with React Native and Ionic * Native iOS & Android development using Swift and Kotlin * App Store & Play Store deployment and optimization * Real-time chat, notifications, analytics, and payment integrations Cloud, Database & DevOps * AWS cloud infrastructure and scalable deployment architecture * MySQL, MongoDB, Firebase, Redis, and real-time database systems * Secure authentication, encryption, and performance optimization * CI/CD pipelines, Git workflows, and server management E-Commerce & Business Platforms * WooCommerce and WordPress custom development * CRM systems, booking platforms, marketplace applications * Subscription systems and payment gateway integrations * Stripe, PayPal, Apple Pay, Razorpay, and custom billing solutions Technologies & Tools Frontend: React, Vue.js, JavaScript, TypeScript, HTML5, CSS3, SCSS, Tailwind Backend: Laravel, PHP, Node.js, REST APIs Mobile: React Native, Ionic, Kotlin, Swift AI: OpenAI, ChatGPT API, AI Agents, RAG, Vector Embeddings Database: MySQL, MongoDB, Firebase, Redis Cloud & DevOps: AWS, VPS, CI/CD, GitHub, Bitbucket Design & Collaboration: Figma, Jira, Trello, Slack, Asana Industries & Solutions Delivered * CRM & ERP Platforms * AI SaaS Products * Marketplace & Lead Generation Platforms * Real Estate & Booking Applications * Healthcare & Business Automation Systems * Social Networking & Event Apps * AI Chatbots & Customer Support Platforms * FinTech & Payment Solutions Why Clients Work With Me * Strong focus on scalability, performance, and clean architecture * Business-oriented development approach * Fast communication and reliable delivery * Long-term technical partnership mindset * Experience leading complete product development from idea to launch I’m passionate about building intelligent digital products that combine modern UI/UX, scalable engineering, and AI-powered automation. Let’s discuss your project and build something exceptional. Your AI based Full Stack Developer Ajay

🇮🇳Lucknow, India$13/hr100% JSS4.98 (113)Since Jul 2012

Earnings and projects

MRR
$336

Last 6 months ÷ 6

World#93,764 / 412k
🇮🇳Country#9,938 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $2k

Total earnings
$221k

Billed in all: $224k

World#13,046 / 412k
🇮🇳Country#2,098 / 45.9k
Per project
$1.9k

$1k in the last 6 months

World#81,376 / 412k
🇮🇳Country#9,919 / 45.9k
Projects, last 6 months
2
0% fixed100% hourly
World#88,921 / 412k
🇮🇳Country#10,198 / 45.9k
Projects in all
119

Across 149 contracts

33% fixed67% hourly
World#21,988 / 412k
🇮🇳Country#3,985 / 45.9k

Earnings, last 30 days

$224kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$220.0k$222.5k$225.0k$227.5kOct 8Oct 23Nov 7

Skill rankings: Top 13% in CodeIgniter

Ranked by MRR among everyone on Upwork with the skill.

  1. #249ChatGPT API Integration984 freelancers · 🇮🇳 #63Top 25%
  2. #458CodeIgniter3,448 freelancers · 🇮🇳 #261Top 13%
  3. #521AWS Lambda2,947 freelancers · 🇮🇳 #140Top 18%
  4. #606Kotlin3,021 freelancers · 🇮🇳 #208Top 20%
  5. #822iOS3,908 freelancers · 🇮🇳 #236Top 21%
  6. #1,329jQuery8,973 freelancers · 🇮🇳 #458Top 15%
  7. #1,465Vue.js8,267 freelancers · 🇮🇳 #316Top 18%
  8. #2,200React Native10,486 freelancers · 🇮🇳 #714Top 21%