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Manik G.
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Manik G.

Sr. Full-Stack AI Developer | SaaS, Marketplace, MVP | Web and Mobile

Are you looking for an experienced AI Developer, Full-Stack Developer, or SaaS Development Partner to turn your idea into a scalable digital product? I help startups, entrepreneurs, and established businesses build AI-powered applications, SaaS platforms, web applications, mobile apps, marketplaces, and custom software. With 15+ years of experience, 600+ projects delivered, and 200+ clients served worldwide, I combine technical expertise, product architecture, and business understanding to deliver reliable digital solutions. My focus goes beyond writing code. I help you choose the right technology, build scalable architecture, develop essential features, and launch products designed for long-term growth. ### AI DEVELOPMENT | AI AGENTS | AI-POWERED SAAS Looking to build an AI product or integrate AI into your existing business? I develop practical AI-powered solutions using OpenAI APIs, ChatGPT, LLMs, and modern AI technologies. My AI development services include: • AI Application & AI SaaS Development • AI MVP Development • AI Agents & Intelligent Automation • OpenAI API & ChatGPT Integration • LLM Integration & RAG Applications • AI Chatbots & Virtual Assistants • Document Processing & Intelligent Search • AI-Powered Recommendations & Content Generation • Workflow Automation & Third-Party API Integration Whether you're launching an AI startup, automating business operations, or enhancing an existing platform, I can help turn your concept into a production-ready solution. ### FULL-STACK WEB APPLICATION DEVELOPMENT I build modern, secure, and scalable web applications using technologies suited to your business requirements. Frontend Development: • React.js, Next.js, TypeScript & JavaScript • Responsive UI Development • Admin Dashboards & Customer Portals Backend Development: • Node.js, Laravel, PHP & Python/Django • REST APIs, GraphQL & Third-Party Integrations Database & Cloud: • PostgreSQL, MySQL, MongoDB & Supabase • AWS, Vercel, Docker, Git & Cloud Deployment From building new web applications to enhancing existing platforms, I handle development, integrations, performance improvements, and deployment. ### SAAS DEVELOPMENT | MVP DEVELOPMENT | PRODUCT ENGINEERING Have a SaaS idea you want to validate, launch, or scale? I help businesses build SaaS products from MVP to production, focusing on usability, security, scalability, and maintainability. My SaaS development expertise includes: • SaaS MVP Development • B2B & B2C SaaS Platforms • Multi-Tenant SaaS Architecture • Subscription & Billing Systems • Authentication & Role-Based Access • CRM & ERP Software • Business Automation Platforms • Admin Panels & Analytics Dashboards • Database Design & Backend Architecture • Existing SaaS Enhancement & Scaling I can help plan your architecture, develop core features, integrate payments and external services, and prepare your product for launch and future growth. ### MARKETPLACE & CUSTOM SOFTWARE DEVELOPMENT I develop custom digital platforms tailored to specific business models and operational requirements. Solutions include: • Multi-Vendor Marketplace Development • B2B & B2C Marketplace Platforms • Booking & Appointment Applications • E-Commerce Platforms • On-Demand Service Applications • CRM & ERP Systems • Business Management Software • Custom Web Applications • Payment Gateway & API Integrations Whether you need a service marketplace, booking platform, or specialized business solution, I focus on building software around your workflows and users. ### MOBILE APP DEVELOPMENT | IOS & ANDROID Need a mobile application connected to your web platform or SaaS product? I develop cross-platform mobile applications using React Native for iOS and Android. My mobile app services include: • React Native App Development • iOS & Android Applications • Mobile App MVP Development • Backend & API Integration • Authentication & Push Notifications • Payment Integration & Real-Time Features • App Performance Optimization • App Store & Google Play Release Support I can build a new mobile product or enhance an existing application with new features and integrations. ### WHY WORK WITH ME? Choosing a developer is about more than technical skills. You need someone who understands your requirements, communicates clearly, and takes ownership of delivery. Here's what I bring to your project: • 15+ years of software and product development experience • 600+ projects delivered across multiple industries • 200+ clients worldwide • Experience with startups, growing businesses, and established companies • End-to-end development, from architecture to deployment • Business-focused technical decisions without unnecessary complexity • Clear communication and a focus on long-term maintainability I work with clients at every stage, from validating an early-stage idea to enhancing an established platform or scaling a growing SaaS business. ### LET'S BUILD YOUR NEXT DIGITAL PRODUCT

🇮🇳Zirakpur, India$25/hr100% JSS4.96 (149)Since Sep 2011
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Earnings and projects

MRR
$10k

Last 6 months ÷ 6

World#1,254 / 412k
🇮🇳Country#92 / 45.9k
Revenue, last 30 days
$13k

Last 6 months: $61k

World#757 / 412k
🇮🇳Country#52 / 45.9k
Total earnings
$1.47M

Billed in all: $1.48M

World#207 / 412k
🇮🇳Country#25 / 45.9k
Per project
$4k

$2.2k in the last 6 months

World#43,523 / 412k
🇮🇳Country#4,935 / 45.9k
Projects, last 6 months
28

Across 29 contracts

83% fixed17% hourly
World#3,253 / 412k
🇮🇳Country#522 / 45.9k
Projects in all
373

Across 398 contracts

81% fixed19% hourly
World#3,191 / 412k
🇮🇳Country#679 / 45.9k

Earnings, last 30 days

$1.48M+$13.3k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1.46M$1.47M$1.48M$1.49MOct 8Oct 23Nov 7

Skill rankings: #1 in 1 skill of 16

Rarest: top 0.32% in WordPress, of 37,887. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Custom Ecommerce Platform Development226 freelancers · 🇮🇳 #1Top 0.44%
  2. 3Custom App267 freelancers · 🇮🇳 #1Top 1%
  3. 3App Marketplace156 freelancers · 🇮🇳 #2Top 2%
  4. #34Supabase4,116 freelancers · 🇮🇳 #6Top 0.83%
  5. #44Flutter7,550 freelancers · 🇮🇳 #15Top 0.58%
  6. #46SaaS Development5,201 freelancers · 🇮🇳 #9Top 0.88%
  7. #55AI App Development4,708 freelancers · 🇮🇳 #9Top 1%
  8. #56Laravel12,549 freelancers · 🇮🇳 #10Top 0.45%