Kuldeep C.
Senior Mobile App Developer | React Native | iOS | Android
Hi, I’m a Top Rated mobile app developer with 15+ years of experience. I help businesses build high-performance iOS, Android, and cross-platform applications that are scalable, user-friendly, and built for real-world use. Over the years, I have delivered mobile applications with more than 20M+ downloads, working across startups, growing businesses, and enterprise-grade products. I also work with the support of an experienced agency team, which allows us to handle projects efficiently, bring in additional specialized expertise when needed, and deliver high-quality solutions within practical timelines and budgets. What I can help you with: • React Native app development for iOS and Android • Cross-platform architecture and performance optimization • BLE and NFC-based mobile applications • AI/ML integration in mobile apps • Augmented Reality experiences and 3D-enabled solutions • Real-time chat, messaging, VoIP, and streaming applications • Firebase-powered mobile solutions • API integrations, cloud-connected apps, and backend communication • App maintenance, feature expansion, and long-term support Core expertise: • React Native, Redux • iOS and Android app development • BLE, NFC, and connected-device apps • ARKit, Spark AR, OpenCV, Vision Framework • AI/ML integration in mobile apps • WebRTC, Twilio, OpenTok, XMPP, PJSIP • Firebase, Firestore, Crashlytics, Remote Config • SQLite, Realm, CoreData • AWS integrations and cloud-connected mobile solutions • Google Maps, GPS, geolocation, OpenStreetMap I have worked across a wide range of industries including healthcare, eLearning, retail, eCommerce, music, VoIP, food & beverage, real estate, geo-location, live broadcasting, and social networking. My focus is always on building mobile apps that are technically strong, reliable in production, and aligned with business goals. Whether you need a new app from scratch, advanced React Native development, AR or AI integration, or long-term mobile support, I’d be glad to discuss your project.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $9.5k
Billed in all: $99,631$100k
$3.2k in the last 6 months
Across 32 contracts
Earnings, last 30 days
Skill rankings: Top 4% in Android Studio
Ranked by MRR among everyone on Upwork with the skill.
- Mobile Device19 freelancers · 🇮🇳 #1Top 11%🇮🇳#1 of 3
- #9Location-Based Service138 freelancers · 🇮🇳 #4Top 7%🇮🇳#4 of 46
- #15Mobile App Strategy137 freelancers · 🇮🇳 #3Top 11%🇮🇳#3 of 26
- #18In-App Subscription175 freelancers · 🇮🇳 #6Top 10%🇮🇳#6 of 38
- #21Website to Mobile App Conversion159 freelancers · 🇮🇳 #7Top 13%🇮🇳#7 of 48
- #32Android Studio805 freelancers · 🇮🇳 #12Top 4%🇮🇳#12 of 252
- #54Android App776 freelancers · 🇮🇳 #17Top 7%🇮🇳#17 of 250
- #71Azure App Service549 freelancers · 🇮🇳 #27Top 13%🇮🇳#27 of 202