Available now ⚡ I'm a 𝐒𝐞𝐧𝐢𝐨𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 (12+ yrs) specializing in 𝐎𝐧-𝐃𝐞𝐯𝐢𝐜𝐞 𝐀𝐈 and 𝐅𝐥𝐮𝐭𝐭𝐞𝐫. As an early adopter of iOS 26 (since the first beta), I build high-performance, privacy-first apps that leverage Apple's latest features. I build complete apps from start to finish—from the intelligent Flutter and native mobile frontends using 𝐀𝐩𝐩𝐥𝐞 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 and 𝐆𝐞𝐦𝐢𝐧𝐢 𝐍𝐚𝐧𝐨 to the powerful Python/Node.js backends that make them run. Having been on Upwork since 2013, I have a proven track record of delivering complex projects for global clients. My home base is in Paraguay (GMT-4) 🌳⚡💻, providing perfect alignment for clients in the Americas and a productive afternoon overlap for collaboration with Europe. 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫: 🤖 𝐎𝐧-𝐃𝐞𝐯𝐢𝐜𝐞 𝐀𝐈 & 𝐢𝐎𝐒 𝟐𝟔 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧: My specialty is building privacy-first 𝐀𝐈 features that run directly on your users' devices. As an early adopter, I know 𝐢𝐎𝐒 𝟐𝟔 inside and out, including the latest beta features and 𝐀𝐩𝐩𝐥𝐞 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞. 📱 𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐎𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩 (𝐔𝐈/𝐔𝐗 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝): I manage the entire project, from initial UI/UX design to final deployment. Using modern 𝐀𝐈 design tools for quick prototypes, I create polished, easy-to-use apps and avoid the problems that happen when design and development are disconnected. You get one person for the whole job, 𝐟𝐫𝐨𝐦 𝐩𝐢𝐱𝐞𝐥 𝐭𝐨 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐜𝐨𝐝𝐞. 🖥️ 𝐃𝐞𝐝𝐢𝐜𝐚𝐭𝐞𝐝 𝐀𝐈 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞: I use my own dedicated 𝐀𝐈 development workstation for rapid prototyping and testing. For you, this means 𝐟𝐚𝐬𝐭𝐞𝐫, 𝐦𝐨𝐫𝐞 𝐜𝐨𝐬𝐭-𝐞𝐟𝐟𝐞𝐜𝐭𝐢𝐯𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭. 𝐌𝐲 𝐅𝐨𝐜𝐮𝐬𝐞𝐝 𝐄𝐧𝐠𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐏𝐫𝐨𝐜𝐞𝐬𝐬: To ensure our collaboration is productive from the start, I have a defined process for new projects. 📝 𝐓𝐡𝐞 𝐖𝐫𝐢𝐭𝐭𝐞𝐧 𝐎𝐯𝐞𝐫𝐯𝐢𝐞𝐰: Our journey begins with you sending me a message that outlines your project. To help me understand your vision quickly, please include a brief answer to these questions: What is the primary problem your project solves? Who are the end-users? What is the current status (e.g., idea, existing app, mockups)? 🧐 𝐌𝐲 𝐑𝐞𝐯𝐢𝐞𝐰: I will personally review your written brief. This asynchronous first step respects your time and allows me to assess if my skills are a perfect match for your needs without an immediate call. 🚀 𝐓𝐡𝐞 𝐍𝐞𝐱𝐭 𝐒𝐭𝐞𝐩: If it looks like a strong potential fit, I will reply with my initial thoughts and suggest the best path forward. This could be a focused call to finalize details or, for projects needing more definition, a paid 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐑𝐨𝐚𝐝𝐦𝐚𝐩 𝐒𝐞𝐬𝐬𝐢𝐨𝐧 to build a complete project roadmap. 𝐊𝐞𝐲 𝐀𝐫𝐞𝐚𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: 📱 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 On-Device Generative 𝐀𝐈: 𝐀𝐩𝐩𝐥𝐞 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞, 𝐆𝐞𝐦𝐢𝐧𝐢 𝐍𝐚𝐧𝐨, 𝐂𝐨𝐫𝐞 𝐌𝐋, 𝐌𝐋 𝐊𝐢𝐭 Privacy-First 𝐀𝐈 Development: Local model processing, offline capabilities Cross-Platform 𝐀𝐈 Solutions: Flutter with native 𝐀𝐈 feature integration 🍎 𝐢𝐎𝐒 𝟐𝟔 𝐋𝐚𝐮𝐧𝐜𝐡 𝐑𝐞𝐚𝐝𝐲 Expert in 𝐢𝐏𝐡𝐨𝐧𝐞 𝟏𝟕 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 and 𝐢𝐎𝐒 𝟐𝟔 𝐥𝐚𝐮𝐧𝐜𝐡 𝐩𝐫𝐞𝐩𝐚𝐫𝐚𝐭𝐢𝐨𝐧, implementing the latest 𝐖𝐖𝐃𝐂 𝟐𝟎𝟐𝟓 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 for competitive advantage at release. 🚀 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐄𝐱𝐩𝐞𝐫𝐭 𝐋𝐞𝐯𝐞𝐥) 𝐢𝐎𝐒 𝟐𝟔: Swift, SwiftUI, with expert-level integration of Core ML & 𝐀𝐩𝐩𝐥𝐞 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 𝐅𝐥𝐮𝐭𝐭𝐞𝐫: High-performance, 𝐀𝐈-𝐞𝐧𝐡𝐚𝐧𝐜𝐞𝐝 cross-platform apps 𝐍𝐚𝐭𝐢𝐯𝐞 𝐀𝐧𝐝𝐫𝐨𝐢𝐝: Kotlin, with expert-level integration of TensorFlow Lite & 𝐆𝐞𝐦𝐢𝐧𝐢 𝐍𝐚𝐧𝐨 🌐 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐄𝐱𝐩𝐞𝐫𝐭 𝐋𝐞𝐯𝐞𝐥) 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Python for scalable 𝐀𝐈-𝐝𝐫𝐢𝐯𝐞𝐧 APIs 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: Firebase, AWS, Azure; CI/CD, scalable architecture 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧: 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 prototyping, user flow optimization, intuitive interface design 🤝 𝐒𝐭𝐫𝐚𝐭𝐞𝐠𝐲 & 𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩 Complete Solution Architecture: From API design to database optimization Technical Project Ownership: Guiding projects from concept to a successful App Store launch 𝐀𝐈 Strategy Consultation I'm genuinely passionate about using 𝐀𝐈 to build smarter, better mobile apps. I'm looking for ambitious projects and clients who want to create something truly great. If you need a dedicated, expert partner to bring your vision to life, send me a message. Let's build something amazing together. ✨

⭐⭐⭐⭐⭐ "A+++. Highly recommended!! Nour was very responsive and dedicated himself to assisting with our AWS EC2 server migration which went smoothly and problem free. Nour was willing to chat over Zoom to facilitate quicker resolutions to the issues we were having. If you're searching for a quality Upwork professional with strong AWS, WHM and cpanel skills, look no further." ⭐⭐⭐⭐⭐ "NourEddine is a pleasure to work with. Despite our considerable timezone difference he was easy to work with. His Docker skills are next-level compared with others. Even when working slightly outside his area of expertise he proved himself innovative, adaptable, capable and persistent. Every time I came up with a new requirement, NourEddine found a solution. I'm very pleased with the end result, that being a fully functioning and well integrated production system. I can recommend NourEddine without hesitation." 🏆 Top Rated Plus • ✅ 2700+ work hours billed! • 60+ Projects 👨‍💻 Professional Linux Engineer for 6+ years with DevOps, Automation, and Cloud experience, solving problems and delivering results, for innovative startups as well as established unicorns! ● 📜👨‍💻 Red Hat Certified Engineer (RHCE: RHEL 8 and Ansible), Red Hat Certified Systems Administrator (RHCSA: RHEL 7), Red Hat Certified Specialist in Containers, and Terraform Certified Associate. ● ⚙️ System and software configuration, installation, deployment, optimization, troubleshooting, and automation. ● 🐧 Linux kernel management. ● OS 💿: Ubuntu, Debian, CentOS, Rocky Linux, Alma Linux, Red Hat Enterprise Linux (RHEL), Arch Linux, Manjaro, Proxmox, OPNsense, OpenWRT, Raspberry Pi OS, TailsOS, Whonix. ● Web and Proxy services 🌐: Apache, Nginx 🄽, Squid 🦑, Varnish, HAProxy, Taefik, Caddy, 3proxy, Gost. ● Databases and Datastores 💽: MySQL🐬, MariaDB, PostgreSQL🐘, Redis, Memcached ● Self-hosted apps and Control panels: Control Webpanel (CWP), cPanel, Plesk, Webmin, Cockpit, Nextcloud, Confluence, Jira, Wekan, Focalboard, Wordpress, Matrix Synapse, Mattermost, Dokkuwiki, Git, Gitea. ● DNS: Cloudflare, PiHole, Bind, AWS Route53, experience with SPF, DMARC, DKIM, PTR records for Email services. ● EMail ✉️: Mailu, iRedmail, Modoboa, Mailman, Postfix, Dovecot. ● Automation with Bash, Python, Web scraping, Selenium, and Ansible ● Virtualization, Containers and Cloud☁️:: Docker🐋, Kubernetes☸️, Rancher, K3s, RKE, QEMU/KVM, LXC, Proxmox VE, VMware ESXi, Hashicorp Packer, Hashicorp Terraform. ● Cloud Providers ☁️: Microsoft Azure, AWS, GCP, DigitalOcean, Vultr, and Hetzner. ● Object Storage 💾: AWS S3 and Wasabi ● Secrets & Certificates 🔏: SSL Self-signed Certificate and Certificate Authority, Let's Encrypt ( ACME.sh, Certbot, others), SSH PKI, Vault. ● Networking 🕸: TCP, HTTP, HTTPS, SSH, FTP, SFTP, SMTP, IMAP, POP3, FTPS, DNS, TLS, WebSockets, Tor onion routing, ngrok, ebtables, iptables, firewalld, iproute2, NetworkManager, netplan. ● VPN 🔏: OpenVPN, Wireguard, Tinc VPN, Outline VPN, OpenConnect, Anyconnect. ● Web scraping 🌐🕷️: Python requests, scrapy, beautiful soup, lxml, selenium. ● Development with Python 🐍, Bash scripting, Flask, SQL, HTML, JQuery, and JSON. ● Packaging 📦: Rpm, Deb, and Pacman.

I am Daniel from the USA (NY) with below expertise- ✅ 10+ Years of proven experience in web and mobile development as Full-Stack developer. ✅ Available to work in the client's time zone. ✅ Cross-platform expert: iOS, Android, Flutter, React Native ✅ Known for End-to-End Solution ✅ I have a small support team who works with me under the same roof. With over 9 years of experience as a Senior Developer, I specialize in crafting high-performance mobile and web applications using ReactJS and React Native, Flutter, SWIFTUI, X-Code, Android, Java. My expertise extends to building scalable, user-centric solutions with seamless API integrations, Firebase, and advanced features like push notifications and in-app purchases. Key Achievements 1. Developed a React Native & Firebase-based mobile app for Immersion360, delivering a robust social app with cloud-based user databases and push notifications, logging 827 hours (2021–2024). 2. Built a ReactJS web application for Gloocle.com, enhancing user experience with optimized frontend performance (2021). 3. Optimized Next.js site performance for Metrics Business Systems, leveraging ReactJS for faster load times and improved SEO (2022). 4. Delivered React Native solutions integrating social media APIs (Facebook, Instagram) for a feature-rich social app (2021–2022). 5. Implemented SwiftUI and React Native hybrid solutions for mobile apps, ensuring cross-platform compatibility and modern UI/UX (2020–2022). Core Competencies 1. React-Based Development: ReactJS, React Native, Next.js, Redux, TypeScript. 2. Mobile Development: Cross-platform apps with React Native, Firebase, SwiftUI, and Native iOS/Android SDKs. 3. Web Development: ReactJS-powered websites, WordPress, Laravel for backend integration. 4. APIs & Integrations: REST, SOAP, JSON, Firebase, AWS, XMPP, SendBird for chat solutions. 5. Advanced Features: Push notifications, in-app purchases, geo-fencing, social media integrations (Facebook, Twitter, Instagram), analytics (Google, Flurry). 6. Tools & Practices: Agile, Scrum, Jira, GitHub, Bitbucket for clean, optimized code. Why Work With Me? I deliver pixel-perfect designing, high-quality web applications, following Agile methodologies and Git Flow for robust, maintainable code. Hybrid and native mobile application development to ensure timely delivery and client satisfaction. My experience includes social apps, fitness apps, and e-commerce platforms with localisation and internationalisation support. I kindly request you to invite me for the interview and experience the best professional services. Warm Regards, Daniel

✅ 12+ Years of Expertise ✅ 100% Job Success ✅ 100% Client satisfaction ✅ SwiftUI & UIKit Expertise Areas: • iOS Application Design & Development: • Proficient in Swift, Objective-C, and SwiftUI. • Expertise in integrating APIs, web services (JSON, XML, REST, SOAP), and payment gateways (PayPal, Stripe, Braintree). • Hands-on with in-app purchases and Apple Pay. • Latest Technologies & Tools: • iOS features and design guidelines for iPhone models including XS, XS Max, XR, X, 8/8 Plus. • Frameworks: HomeKit, HealthKit, UIKit, CorePlot, and more. • Maps & Navigation: Apple MapKit, Google Maps, Foursquare, Waze. • Social Media & API Integration: Google, Facebook, Twitter, Instagram, LinkedIn, YouTube, WeChat, etc. • Communication Protocols: XMPP, Jabber, Openfire for chat, and WebRTC/Sinch for video and audio streaming. • Development Tools & Features: • Push notifications, media galleries, custom calendars, and background downloads. • Database management: CoreData, SQLite, MySQL, database synchronization, and encryption. • Tools: AFNetworking, xCode Storyboard, TestFlight, Crashlytics. • Advertising & Analytics: • Google Analytics, MixPanel, iAd, AdMob, ChartBoost, Flurry. • Project Management & Collaboration: • Tools: Trello, Asana, Basecamp, GitHub, Bitbucket, Microsoft Team Services. • Communication: Slack, Skype, Email. Current Role & Responsibilities: I currently work as a key member of the Mobile Team, specializing in designing and developing solutions for iOS, Android, and cross-platform applications using React Native. Key Duties: • Requirement analysis and project planning. • Creating storyboards and project architecture. • Estimation, task assignment, and supervising team development. • Writing and implementing test cases for mobile applications. • Engaging with clients to understand their requirements and execute their vision. • Staying updated with emerging technologies and training team members. • Assisting clients with marketing strategies for their developed products. Why Choose Me? I deliver high-quality work with a fast turnaround at a fair price. If you’re looking for a dependable developer with strong technical expertise and a focus on client satisfaction, let’s collaborate! Looking forward to working with you!

I'm experienced mobile developer. I use Flutter and MAUI frameworks. I have good understanding of modern mobile applications trends, you can check my portfolio. I always prefer establish good communication level with customers to provide exactly what they need and adapt fast to changing requirements. I'm confident, self-motivated and result-oriented person who can work under minimal observation. I can work both efficiently as team player and as individual. I've built and managed projects for individuals and startups. Business logic, API, database layers are in core project(.net standard library), platform projects are only for data showing and some platforms specific features with native UI and UX guidelines. Xamarin utilizes C# as its key programming language. This enables more than 70% of the code to be reused between iOS, Android and other platforms. An app built with Xamarin offers the same level of performance as that of a natively developed app. Expertise: ✅ 13 years experience in software development and more than 6 years in mobile development. ✅ Languages: C#, Objective-C, Swift, Java ✅ Strong knowledge in Android and iOS SDKs. ✅ ASP.NET, Web.Api, WCF, Windows Services, WinForms, WPF ✅ MSSQL, Oracle PL/SQL ✅ Binding Java(.aar) and Objective-C or Swift libraries(CocoaPods) ✅ Native mobile app development for iPhone, iPad, Android phone and tablet ✅ Creating complex UI iOS(Storyboard, .xib or AutoLayout), Android(xml) ✅ Database: SQLite, Realm ✅ Razor cshtml templates ✅ Communication: REST(HttpClient), WebSocket(websocket-sharp, SignalR) ✅ Social network integration: Facebook, Twitter, Instagram, VKontakte, Google+, etc ✅ Barcode scanning(Firebase, ZXing) ✅ Chatting protocol: XMPP(eJabber), Meteor(rocket.chat) ✅ Map integration: Google Maps(iOS, Android), MapKit(iOS), OpenStreetMap(Android) ✅ Payment services: In-App Purchase, Stripe ✅ AdMob (Banner, Full screen, Video) ✅ Analytics services: Google Analytics, Firebase Analytics, AppCenter, AppsFlyer ✅ CI/CD & Crash Reporting: AppCenter, Azure DevOps ✅ iOS, Android Linker(link all), proguard, r8 ✅ Distribution: Apple Store, Google Play ✅ Design Tools: Sketch, Zeplin, XD

🌟 Top Rated (Top 10%) Upwork Freelancer 🌟 100% Job Success Ratio 🌟 60+ Successfully Completed Jobs and Published 40+ Mobile Apps 🌟 $100,000+ Earned on Upwork 🌟 8+ Years of Experience in Mobile App Development Are you in need of a responsible and professional Mobile App Developer? Look no further! I'm Keval, and I'm deeply passionate about the mobile industry. With an impressive track record, I'm committed to delivering top-notch solutions to meet your unique needs. Client Testimonials: - "Keval is excellent to work with. We have worked with him on several contracts/milestones, and we found he is very skilled technically. He does the job in time and is easy to deal with. The quality of his work is 5*. We will continue to do more contracts with him." - "He is very knowledgeable. He is also very professional and proactive. I would love to work with him more. He test me almost every hour on every single day." - "Once again Keval came through for us. It is always nice to work with him. His output is professional and on time. One thing I particularly like and am impressed by with Keval is every job he has put in extra time after contract completion to tweak the apps or straighten out any problems without requesting additional payment. It is not easy to find a developer that will do that. We will continue to use him for our apps as required." My Expertise: ✔︎ Mobile App Developer (Native Android/iOS) ✔︎ Hybrid/Cross Mobile App Developer (React Native, Flutter-Flow) ✔︎ iOS (iPhone/iPad, iOS), Objective-C, Swift 5, Xcode ✔︎ Android (Java, Kotlin, Android Studio) ✔︎ API Development using XMPP, Socket.io, WebSocket ✔︎ API Integration (JSON, XML, REST/SOAP) ✔︎ Coding Architecture (MVP, MVVM) ✔︎ Mobile App Database (MySQL, SQLite, Core Data, Realm) ✔︎ App audio/video calling features using CallKit, Twilio, etc. ✔︎ Integration with Google, Facebook, Instagram, LinkedIn, Twitter APIs ✔︎ Apple and Google Pay, In-app billing services (In-app purchases, auto-renewable products, subscriptions) ✔︎ Integrating push notifications (APNs, Firebase, OneSignal) ✔︎ Crash analysis and reporting ✔︎ Mapping solutions (Google Maps, Apple Map, MapBox, GeoFencing) ✔︎ Cloud services (Amazon AWS, Firebase, Parse server) ✔︎ Version control (GitHub, Bitbucket), Project management (Trello, JIRA) With over 8+ years of development experience spanning diverse industries and technologies, I possess the unique ability to distill complex experiences into efficient solutions. I believe that clear communication is the cornerstone of a successful project. My commitment to transparent communication, combined with my extensive development experience and results-driven work ethic, ensures swift progress toward your MVP/Beta launch. The most important things for me during the development process: ✔︎ Communication ✔︎ Code quality (maintainability, simplicity) ✔︎ Honesty and transparency with my clients Industries Served: ✔︎Health&fitness, lifestyle. ✔︎Productivity, education. ✔︎Hospitality ✔︎Fintech ✔︎E-commerce, social networks. ✔︎Real Estate ✔︎Technology ✔︎Media & Entertainment ✔︎Enterprise and beyond Let's connect and collaborate to create something truly exceptional.

💡 I help startups and companies build high-quality Android & Flutter apps — from MVP to App Store release. 📱 7+ years of mobile development experience — 40+ finished projects for clients across the USA, UK, and Europe. I focus on clean architecture, scalable code, and smooth UI/UX. 🚀 I can help you with: • Building Android apps (Kotlin, MVVM, Coroutines, DI, Firebase) • Flutter apps for Android & iOS (Dart, Riverpod, BLoC, REST/GraphQL) • Full-cycle mobile solutions — from idea to publish-ready app • Refactoring or maintaining existing legacy projects • Integrating APIs, payments, ads, chat, AI (OpenAI, CoreML), etc. 🧩 Tech Stack: Languages: Kotlin, Java, Dart Platforms: Android, Flutter, iOS Backend: Firebase, Node.js, REST, GraphQL AI/ML: OpenAI, CoreML, ChatGPT API ❤️ Passionate about EdTech, clean design, and delivering real value. 📬 Let’s make your app stand out. Feel free to invite me to your project or book a quick consultation — I’m always open to new ideas and collaborations!

For clients I assist them in getting the optimum solutions for their money invested in Business so as to get maximum ROI. I have been developing custom made solutions (Mobile and Web) since 10 years. I have worked on multiple domains and have knowledge on different system architectures. I have worked on following domains: - Social networking (sports, artists, Peer-to-Peer) - Social media (Pets, location based events) - Chat apps (XMPP) - Fitness/workout (Photo, video, IoT) - Photo/Video (Social Media, Photo/Video editing tool) - eLearning - Geo-location/Geo-Fencing - Live Streaming (Wowza) - eCommerce Solutions - Enterprise Mobility Solutions - Cloud based mobile applications Service include:- - iPhone/iPad application Development - Android application Development - Website development (PHP) - Custom back-end development (PHP) Web services & Backend Integration:- - PHP - Amazon Web Services - Parse SDK

I help banks, fintechs, and startups design and deliver AI-powered solutions that are secure, scalable, and future-ready. Whether you need a chatbot powered by LLMs, a digital wallet, or a microservices-based enterprise system, I bring the right mix of technical depth and business understanding to turn ideas into real products. Core Expertise Artificial Intelligence & LLMs: Integration of GPT/LLM APIs, custom AI agents, NLP chatbots, model training, embeddings, vector databases. FinTech Solutions: Digital banking, wallets, core banking integrations, payment gateways (Stripe, PayPal, Mastercard, Visa), fraud detection, KYC/AML compliance. Mobile & Web Development: Kotlin, Flutter, Java Spring Boot, REST APIs, secure mobile banking apps. Enterprise Architecture: Microservices, event-driven systems, cloud (AWS), UML & ArchiMate diagrams, API documentation, TOGAF-aligned frameworks. Proof of Impact Built AI chatbot that reduced call center load by 40%. Designed digital wallet architecture for a bank serving 20M+ active customers. Delivered enterprise solutions that processed $100B+ annual payment volume. Developed mobile apps with 2M+ downloads and 4.7★ ratings. Why Work With Me 10+ years in enterprise-grade systems across fintech, e-commerce, and telecom. Hands-on solution delivery from requirements → architecture → development → go-live. ⭐⭐⭐⭐⭐ Upwork client ratings for on-time delivery and high technical quality. Strong focus on business alignment: I don’t just build software, I build revenue-driving products. Let’s Build Together If you’re looking for someone who can combine AI innovation, fintech expertise, and enterprise-class delivery, let’s talk. I can help you turn complex ideas into scalable digital products — faster, smarter, and aligned to your goals.

🎯 Delivering Apps That Bring Results — and Satisfaction Everyone can deliver results, but only a few deliver satisfaction. With 7+ years of experience and a 100% Job Success Score, I bring both to every project. I'm a Top-Rated iOS & Flutter Developer with a passion for building high-performing, beautifully designed, and App Store-ready mobile apps. My specialties include: ✅ iOS Development (Swift, SwiftUI, Objective-C) ✅ AI-Powered ChatGPT Apps ✅ Resume & PDF Invoice Generator Apps ✅ App Store Optimization (ASO) ✅ UI/UX Design in Figma & Adobe XD 💡 Published 15+ apps on the App Store & Play Store 📱 Achieved 100k+ downloads for Resume Builder & AI-based apps 🛠️ Technical Skills Languages: Swift (all versions), Kotlin, Java, Objective-C, Dart, Python Frameworks: SwiftUI, Flutter, React Native, Node.js, Django APIs: ChatGPT, Firebase, Google Maps, Calendar, Drive, Payment Gateway (Stripe, PayPal) Databases: CoreData, SQLite, Firebase Features: QR/Barcode Scanners, Social Login, Push Notifications, XMPP Chat, Live Streaming, Photo Filters UI Tools: Figma, Adobe XD 🔧 Tools & Services AWS & Firebase Integration OCR & Image Processing In-App Purchases, AdMob, RevenueCat PDF Creation, Custom Camera, Audio/Video Processing 🔥 My Promise: High-quality, scalable code On-time delivery Transparent communication Long-term support Let’s create something impactful Contact me today and let’s talk about your app idea! Keyword: iOS app development, Android app development, Flutter developer, Swift developer, Kotlin developer, SwiftUI, Objective-C, mobile UI/UX designer, mobile app design, app store optimization, ASO expert, resume builder app, PDF generator app, invoice app, ChatGPT app, OpenAI integration, mobile app developer, React Native developer, iPhone app developer, iPad app development, Firebase integration, Stripe payment app, PayPal integration, push notifications, Flutter UI design, SwiftUI expert, app performance optimization, bug fixing app, app maintenance, AI app development, OCR mobile app, barcode scanner app, QR code app, live streaming app, video editing app, camera app development, photo filter app, audio recorder app, image processing app, Google Maps app, location-based app, GPS tracking app, social media integration, Facebook login, Google sign-in, Apple sign-in, Firebase auth, mobile backend developer, Node.js mobile backend, Django app backend, mobile API integration, in-app purchases, AdMob integration, RevenueCat, app analytics, Mixpanel, Firebase Analytics, mobile game developer, AR app developer, ML Kit, machine learning app, AI chatbot app, ecommerce mobile app, food delivery app, taxi booking app, fitness tracker app, health app development, meditation app, productivity app, time tracking app, event planner app, alarm app, to-do list app, calendar app, mobile CRM app, SaaS mobile app, UI/UX in Figma, Adobe XD mobile UI, responsive app design, dark mode app, Swift developer India, Flutter developer India, Upwork app developer, iOS freelancer, Android freelancer, hybrid app developer, cross-platform mobile app, mobile MVP development, scalable mobile app, Firebase Firestore, CoreData expert, SQLite integration, Realm database, REST API, GraphQL API, backend with Firebase, dynamic wallpaper app, iOS widgets, lock screen widget, iOS 16 dynamic island, iOS 17 app developer, app optimization, low-code mobile app, no-code app developer, custom app development, mobile dashboard app, mobile admin panel, app cloning, app rebranding, white-label mobile app, chat app with ChatGPT, AI content generator app, ChatGPT mobile UI, CV builder app, resume PDF export, job finder app, mobile portfolio app, signature capture app, feedback form app, survey app, lead collection app, client onboarding app, business card scanner app, document scanner app, LMS mobile app, mobile learning app, education app development, student attendance app, school communication app, university app, mobile HR app, employee attendance app, payroll app, invoice PDF app, invoice tracker app, expense tracker app, budget planner app, personal finance app, EMI calculator app, tip calculator app, unit converter app, currency converter app, stock market tracker app, crypto tracker app, app download boost, app install campaign, ASO keywords, app store keywords, iOS ranking strategy, Google Play ranking, app icon design, app splash screen, onboarding UI, animated app UI, Framer Motion Flutter, gesture-based app, app with Lottie animations, background task app, notification scheduling, background location tracking, Bluetooth app, NFC app, camera-based AI app, live object detection, translation app, dictionary app, text-to-speech app, speech-to-text app, voice recorder app, transcription app, language learning app, news aggregator app, podcast app, music streaming app, file manager app, document viewer app, notes app, reminder app, app security, secure login app, app with encryption, GDPR-compliant app, HIPAA-compliant