Pankaj S.

Need a reliable developer to build or fix your iOS & Android app? I'm an AI mobile app developer and full stack developer with 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, 𝟭,𝟯𝟬𝟬+ 𝗨𝗽𝘄𝗼𝗿𝗸 𝗵𝗼𝘂𝗿𝘀 and 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀. My expertise includes Flutter App Development, iOS App Development, Android App Development, AI Integration, MVP Development, API Integration, new feature development, performance optimization, and App Store and Google Play launch support. I don't just write code. I help businesses launch products that are 𝗳𝗮𝘀𝘁, 𝘀𝗲𝗰𝘂𝗿𝗲, 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗮𝗻𝗱 𝗿𝗲𝗮𝗱𝘆 𝘁𝗼 𝘀𝗰𝗮𝗹𝗲. I build AI-powered mobile apps, SaaS platforms and scalable backends for startups and enterprises. 🏭 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗬 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 Since joining Upwork, I've worked across various industries: travel and tourism, train ticket booking, transport, education, hospitality, health & wellness, real estate, live streaming, marketplace, food & delivery, human resources, fitness, financial & banking, e-commerce, dating, sports, betting, music/audio and automotive. I'm always excited to explore new industries. What's your industry? 📱 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 ▸ 𝗖𝘂𝘀𝘁𝗼𝗺 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 – Flutter, Android (Java/Kotlin), iOS (Swift/Objective-C) ▸ 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 – High-performance apps for both Android & iOS with a single codebase ▸ 𝗔𝗜 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 – AI chatbots, AI agents and smart app features with OpenAI (ChatGPT), Claude AI and Google Gemini ▸ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗔𝗣𝗜𝘀 – Node.js, Laravel, PHP, REST/GraphQL APIs ▸ 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 & 𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 – PayPal, Stripe, Razorpay, Google Pay, Apple Pay, In-App Purchases, RevenueCat ▸ 𝗖𝗵𝗮𝘁, 𝗠𝗲𝘀𝘀𝗮𝗴𝗶𝗻𝗴 & 𝗖𝗮𝗹𝗹𝗶𝗻𝗴 – Real-time chat, audio/video calls, live streaming with Socket, Firebase, Twilio, Agora ▸ 𝗦𝗼𝗰𝗶𝗮𝗹 𝗠𝗲𝗱𝗶𝗮 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 – Facebook, Google, Apple, Instagram, YouTube logins & APIs ▸ 𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻-𝗕𝗮𝘀𝗲𝗱 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 – Google Maps, Places API, real-time tracking, geolocation ▸ 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 & 𝗔𝘂𝘁𝗵𝗲𝗻𝘁𝗶𝗰𝗮𝘁𝗶𝗼𝗻 – Two-Factor Authentication (2FA), OAuth, Twilio, Mailgun ▸ 𝗤𝗥 & 𝗕𝗮𝗿𝗰𝗼𝗱𝗲 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 – Custom generation, scanning, payment solutions ▸ 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 – Publishing apps on Google Play Store & Apple App Store with compliance 🛠 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗜𝗘𝗦 & 𝗧𝗢𝗢𝗟𝗦 ✔️ 𝗠𝗼𝗯𝗶𝗹𝗲: Flutter, Dart, Kotlin, SwiftUI ✔️ 𝗔𝗜: OpenAI API ✔️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜: Node.js, Python (FastAPI, Flask, Django), REST, GraphQL ✔️ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: Firebase, Firestore, SQLite, MySQL, MongoDB ✔️ 𝗖𝗹𝗼𝘂𝗱: Firebase Cloud Functions, AWS, Google Cloud ✔️ 𝗩𝗲𝗿𝘀𝗶𝗼𝗻 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 & 𝗧𝗼𝗼𝗹𝘀: Git, GitHub, GitLab, Bitbucket, Jira, Trello ✔️ 𝗨𝗜/𝗨𝗫: Figma, Adobe XD, Material Design, Cupertino Widgets 🤝 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 ✅ Clear milestones and regular progress updates ✅ Flexible working hours to match your time zone ✅ You own 100% of the source code ✅ Support after launch 💡 𝗛𝗔𝗩𝗘 𝗔𝗡 𝗔𝗣𝗣 𝗜𝗗𝗘𝗔? Want to validate your idea or build a platform for your business? Let's schedule a 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝗱𝗶𝘀𝗰𝗼𝘃𝗲𝗿𝘆 𝗰𝗮𝗹𝗹. I'll help you evaluate the idea, define the right strategy and outline a clear roadmap from MVP to launch. 👉 Click the "𝗜𝗻𝘃𝗶𝘁𝗲" button and let's build your app. 🔑 𝗦𝗣𝗘𝗖𝗜𝗔𝗟𝗧𝗜𝗘𝗦 Flutter Developer, Flutter App Development, Mobile App Developer, AI Mobile App Developer, AI App Development, iOS App Developer, Android App Developer, Cross-Platform & Hybrid App Development, Full Stack Developer, Backend Developer, Firebase App Developer, Chat & Social Messaging Apps, Dating App Development, Food Delivery App Development, Education App Development, Salon Booking App Development, In-App Purchases & Subscriptions, RevenueCat Integration, App Performance Optimization