Rahul K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I have more than 4 years of experience working on mobile platform and have developed several apps targeting different verticals like Events, fitness, healthcare, lifestyle, navigation, on-demand, service provider, video/photo editing, IoT, Bluetooth, Music and Audio, utility, entertainment, dating, social networking, social media, news, etc. I have worked on following technologies: - Android (Java/Kotlin) - PayPal/Stripe/Braintree & Other Payment Gateway Integration - Google Maps/Mapbox/MapKit - RestFul/SOAP API's Development ,Retrofit , Volley - Social Media SDK's like Facebook, Twitter, Instagram, Google+, etc -Google Play Store: play store account configure, publish app - -Material design, vector drawable and scalable vector graphics (svg) -UI/UX: Constraint layout, RecyclerView, Card Layout, Toolbar, Snackbar and etc. -Analytics tools , (firebase , mixpanel) - Firebase services (Cloud Firestore.Authentication.Cloud Storage.Google Analytics,Cloud Messaging) - Barcode/QR code scanning - Graphs - Multi threading - Socket.io chat - Finger print scanning - Multi-tenancy Architecture. - Multilingual interface. - universal designs for Tablet and Smart phone -Application.Storage: SQLite,Room, Realm, SharedPreferences, file and caches storage management Memory management and apk analysis, Experience with third-party libraries and APIs.Social APIs: Facebook, twitter, Google+ QUALITY: As App Stores are getting more and more saturated, a good idea is not enough anymore. With myriads of apps being developed each day, the differentiating factor became quality and user experience above all else. Having extensive experience in Android development that is exactly what I will deliver for you. ABOUT ME: Being a passionate app developer, I am highly motivated to either build quality products from scratch, or vastly improve existing ones. I rarely take on new projects, but when I do, building a long lasting partnership is my main focus.