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
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $61k
Billed in all: $1,483,125$1.48M
$2.2k in the last 6 months
Across 29 contracts
Across 398 contracts
Earnings, last 30 days
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.
- Custom Ecommerce Platform Development226 freelancers · 🇮🇳 #1Top 0.44%🇮🇳#1 of 89
- Custom App267 freelancers · 🇮🇳 #1Top 1%🇮🇳#1 of 105
- App Marketplace156 freelancers · 🇮🇳 #2Top 2%🇮🇳#2 of 44
- #34Supabase4,116 freelancers · 🇮🇳 #6Top 0.83%🇮🇳#6 of 805
- #44Flutter7,550 freelancers · 🇮🇳 #15Top 0.58%🇮🇳#15 of 2,577
- #46SaaS Development5,201 freelancers · 🇮🇳 #9Top 0.88%🇮🇳#9 of 1,310
- #55AI App Development4,708 freelancers · 🇮🇳 #9Top 1%🇮🇳#9 of 1,167
- #56Laravel12,549 freelancers · 🇮🇳 #10Top 0.45%🇮🇳#10 of 4,476