Nitish S.
Full Stack Developer | Web App |Mobile Apps|React Native|PM|AI|Flutter
Hello, I’m Nitish, a full-stack developer specializing in AI-powered applications, mobile apps, web applications, SaaS platforms, and custom business solutions. I help startups and businesses turn ideas into reliable, scalable applications from MVP development to complete product development, API integrations, AI features, and ongoing improvements. 🚀 What I Can Build ➣ AI-Powered Applications ➣ AI Chatbots & Virtual Assistants ➣ OpenAI / LLM Integrations ➣ AI Automation & Business Workflows ➣ Mobile Applications ➣ Web Applications & Admin Panels ➣ SaaS & Subscription Platforms ➣ MVP Development ➣ Marketplace & On-Demand Applications ➣ API Development & Third-Party Integrations ➣ Real-Time Chat & Notifications ➣ Payment Gateway Integrations ➣ Custom Business Applications 📱 Mobile App Development ➣ React Native Applications ➣ Android & iOS Apps ➣ Flutter Applications ➣ Firebase Integration ➣ Push Notifications ➣ Real-Time Features ➣ GPS / Maps & Location Services ➣ Payment & Subscription Integration ➣ API & Backend Integration 💻 Full-Stack Development Frontend: React.js, Next.js, JavaScript, HTML, CSS Backend: Node.js, PHP, Laravel, REST APIs Database: MySQL, MongoDB, Firebase AI: OpenAI, LLM Integrations, AI APIs, AI Chatbots Integrations: Payment Gateways, Third-Party APIs, Firebase, Maps & Other Services 🤖 AI Development ➣ AI Chatbots & Assistants ➣ OpenAI API Integration ➣ LLM-Based Applications ➣ AI Content & Workflow Automation ➣ AI Search & Recommendation Features ➣ AI Features for Existing Web & Mobile Apps ➣ Third-Party AI API Integration 🏗️ Industries & Applications ➣ E-Learning & EdTech ➣ Healthcare & Fitness ➣ FinTech & Finance ➣ Real Estate ➣ E-commerce & Marketplaces ➣ Booking & On-Demand Services ➣ Social & Community Platforms ➣ SaaS & Business Applications ➣ Travel & Hospitality ➣ Logistics & Service Platforms ⭐ Why Work With Me? ✓ 10+ years of hands-on development experience ✓ Full-stack development from frontend to backend ✓ AI integration into existing and new applications ✓ Clean, responsive and scalable development ✓ API and third-party integration experience ✓ Clear communication and regular project updates ✓ Focus on business requirements, not just development Whether you need to build an app from scratch, develop an MVP, add AI to an existing application, or connect multiple APIs and services, I can help take the project from idea to a working product. Let’s discuss your project and build something that works for your business.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $1.7k
Billed in all: $12,781$13k
$341 in the last 6 months
Across 15 contracts
Earnings, last 30 days
Skill rankings: Top 20% in CSS
Ranked by MRR among everyone on Upwork with the skill.
- #474Theme Customization1,836 freelancers · 🇮🇳 #182Top 26%🇮🇳#182 of 656
- #628Liquid1,844 freelancers · 🇮🇳 #175Top 34%🇮🇳#175 of 495
- #1,042Shopify Templates3,688 freelancers · 🇮🇳 #364Top 28%🇮🇳#364 of 1,126
- #1,055Shopify Plus3,236 freelancers · 🇮🇳 #408Top 33%🇮🇳#408 of 1,170
- #1,349Shopify Theme4,613 freelancers · 🇮🇳 #458Top 29%🇮🇳#458 of 1,410
- #1,412Shopify Development4,372 freelancers · 🇮🇳 #455Top 32%🇮🇳#455 of 1,209
- #3,855CSS19,042 freelancers · 🇮🇳 #728Top 20%🇮🇳#728 of 3,801
- #3,868HTML18,717 freelancers · 🇮🇳 #782Top 21%🇮🇳#782 of 3,962