Abhishek K.

𝐈 𝐛𝐮𝐢𝐥𝐝 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐰𝐢𝐭𝐡 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬, 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬, 𝐚𝐧𝐝 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬. Experienced in developing chat apps, POS systems and production-ready applications in Hybrid Flutter/React Native and Native Kotlin/Swift Technologies. ✅ 1,912+ Successfully Completed Jobs with 90% client retention rate ✅ $9M+ Total Earnings Mobile and Web ✅ 241,492+ Hours Worked ✅ Upwork Member Since April 2012 Areas I Have Worked On - AI-Powered Applications - Real-Time Chat Applications - POS Systems - Live Data Synchronization - Payment Gateway Integration - API Development & Integration - Location-Based Services - GPS Tracking - Maps & Geolocation - User Authentication - Cloud-Based Applications - Offline Data Storage - Mobile Performance Optimization - Production-Ready Enterprise Applications - Experience Highlights Tech Stack: Flutter | React Native | Kotlin | Swift Firebase | SQLite | iCloud Sync | WebRTC | Twilio REST APIs | WebSockets | Google APIs | Mapbox | GPS OpenAI Integration | AI Mobile Apps | FlutterFlow Industries I've Worked With ◆ Retail & POS ◆ Communication & Messaging ◆ On-Demand Services ◆ Logistics & Tracking ◆ Business Management Solutions ◆ Service-Based Platforms I help businesses create reliable and high-performance mobile apps that handle real users, live data, and complex workflows. Whether you need a new app, real-time chat functionality, API integrations, or improvements to an existing application, I can help turn your idea into a production-ready solution. Invite to Connect! Regards, Abhishek Senior Mobile App Developer