Paulo Jeferson D.

Senior App Developer Flutter | Android | iOS | Kotlin | Swift | UX/UI

⚠️ 𝗪𝗼𝘂𝗹𝗱 𝘆𝗼𝘂 𝗹𝗶𝗸𝗲 𝘁𝗼 𝘀𝗲𝗲 𝘆𝗼𝘂𝗿 𝗮𝗽𝗽 𝗲𝘃𝗲𝗻 𝗯𝗲𝗳𝗼𝗿𝗲 𝗶𝗻𝘃𝗲𝘀𝘁𝗶𝗻𝗴 𝗮 𝘀𝗶𝗻𝗴𝗹𝗲 𝗰𝗲𝗻𝘁? ⚠️ Before you accept or pay anything, I can prepare a simple flowchart of your App + the design of the first 4 screens in Figma. This way, you can review my work and have a clear vision of how your app can come to life even before hiring me. 🏆 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: ✅ Over 7 years of experience in mobile app development ✅ 50+ published apps (App Store & Play Store) ✅ 100% project success rate (client satisfaction index) ✅ 700+ hours worked & over $70K earned I am a senior mobile app developer with more than 7 years of experience building cross-platform apps with Flutter. Whether it’s a business app, e-commerce, e-learning, booking system, delivery app, or marketplace, I have delivered clean, scalable, and fully functional applications for startups and companies worldwide. I specialize in building high-quality, high-performance mobile apps using Flutter, Kotlin, and Swift. With a solid foundation in clean architecture and deep expertise in state management solutions (BLoC, Riverpod, Provider, GetX), I deliver applications that are not only visually appealing but also robust, scalable, and easy to maintain. 🔹 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸: ✔ Frontend / Mobile: Flutter, Kotlin & Swift (Android & iOS) ✔ Backend: Node.js, Python, Firebase ✔ UI/UX: Figma, Adobe XD, Sketch ✔ Databases: SQLite, MySQL, PostgreSQL, Firebase ✔ AI & Automation: OpenAI, ChatGPT integrations, marketing automation 🌐 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: ◉ Delivery Apps (food, grocery, restaurants) ◉ Transportation & Mobility Apps (taxi, logistics, tracking) ◉ On-Demand Service Apps (beauty, maintenance, technicians) ◉ Health & Fitness Apps ◉ Social, Dating & Messaging Apps ◉ Real Estate & Business Apps ◉ Booking & Event Apps 🔹 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✅ Social Integration (Google, Facebook, Apple, Instagram, YouTube) ✅ Payment Integration (Stripe, PayPal, Google Pay, Apple Pay, Razorpay) ✅ Subscriptions & In-App Purchases (including RevenueCat) ✅ Real-time Chat, Audio/Video Calls & Live Streaming ✅ Location & Tracking (Google Maps, Places API, real-time GPS) ✅ Security & Authentication (2FA, Firebase, Twilio, Mailgun) ✅ QR Code & Barcode Generation 🎁 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗚𝗲𝘁 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗪𝗶𝘁𝗵 𝗠𝗲: 1 month of free maintenance after app launch Lifetime technical support for questions & exclusive app follow-up (optional) Intellectual property rights from day one Full deployment on App Store & Google Play Apps developed strictly following Apple & Google guidelines 💬 𝗡𝗲𝘅𝘁 𝗦𝘁𝗲𝗽𝘀 If you have an idea and want to turn it into a professional, robust, and scalable app, I’d be glad to help. Click “Invite to Job” and let’s discuss your project. Sincerely, Paulo Jeferson 🔹 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: ✔ Mobile App Development ✔ Flutter App Development ✔ Flutter Developer ✔ App Creation ✔ Mobile App Building ✔ Cross-Platform Development ✔ Hybrid Development ✔ App Design & Development ✔ Android Development ✔ iOS Development ✔ Real Estate Apps ✔ Food Delivery Apps ✔ Dating App Developer ✔ Grocery Apps ✔ Mobile App Design