𝗣𝗿𝗼𝘃𝗲𝗻 𝘁𝗿𝗮𝗰𝗸 𝗿𝗲𝗰𝗼𝗿𝗱: 25+ production-ready apps built with Flutter & Firebase, published 14+ Native Android Apps, generating over 8 figures in revenue 𝗘𝘅𝗽𝗲𝗿𝘁 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆: CI/CD automation, clean architecture, and reliable app store publishing 𝗘𝘅𝘁𝗿𝗲𝗺𝗲𝗹𝘆 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲, 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝘃𝗲 𝗮𝗻𝗱 𝗙𝗮𝘀𝘁: Regular updates, clear milestones, and proactive collaboration 𝗘𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝘀𝘂𝗽𝗽𝗼𝗿𝘁: From Figma design to post-launch maintenance • Reliable support after launch I've had the privilege of propelling clients to significant milestones, including 2 production mobile apps with real users and measurable business impact. Some notable successes include: - A restaurant management app helping streamline dining operations and enhance customer engagement through a seamless mobile experience - A ride-sharing app supporting driver, customer workflows and transportation operations with a reliable, user-friendly mobile platform I’m a Flutter & Android (Kotlin) developer with 𝟳+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 delivering production-ready mobile apps. AI speed combined to deliver code that ships fast, feels premium, and scales without cracking. (Available for 2 projects in July 2026) • End-to-End Expertise: Flutter (iOS & Android) and native Android (Kotlin) development - from UI/UX design (Figma-to-code) to back-end integration and deployment. • Modern Architecture: Implement MVVM/Clean Architecture and Jetpack Compose for maintainable, scalable code, integrate Firebase, REST/GraphQL APIs, payment gateways (Stripe/PayPal) and 3rd-party SDKs. My core expertise: • Flutter App Development (Android & iOS) • Native Android development using Kotlin • MVP Development for Startups • AI-Powered Mobile Applications • Firebase Integration (Authentication, Firestore, Realtime Database, Cloud Messaging (FCM), Crashlytics, Remote Config, Cloud Storage ) • REST API & Third-Party SDK Integration (GraphQL, Node.js, Firebase Cloud Functions, Supabase, WebSockets, Twilio) • Payment Gateway Integration (Stripe, Razorpay, PayPal, Google Play Billing, Apple In-App Purchase, RevenueCat) • Maps, Geolocation & Real-Time Tracking (Google Maps SDK, geolocation, geofencing, live tracking, route optimization ) • Chat, Notifications & Real-Time Features • Figma to Flutter / Android • Google Play Store & Apple App Store Deployment I'm a mobile app developer who builds full apps from scratch in both Flutter and native Android (Kotlin), extends existing Flutter apps with custom native Kotlin modules when a plugin falls short, and has particular depth in two-sided marketplace apps, platforms connecting two different types of users (clients/professionals, hosts/guests, buyers/sellers) with booking, messaging, and payments built to work cleanly for both sides. Tech Stack: Flutter • Dart • Kotlin • Firebase • Supabase • REST APIs • SQLite • Room Database • Stripe • Google Maps • Push Notifications • Riverpod • BLoC • GetX • Jetpack Compose • Kotlin Coroutines & Flow • Hilt/Dagger • Android SDK • Git • GitHub • Figma Message me "AUDIT" - get a free 30-min technical consultation. During our session, we’ll:
 ✅ Explore your goals, technical requirements, or existing app review feedback ✅ Outline a roadmap with timelines and cost estimates
 ✅ Recommend the best tech stack and development approach 🤝 𝗟𝗘𝗧'𝗦 𝗪𝗢𝗥𝗞 𝗧𝗢𝗚𝗘𝗧𝗛𝗘𝗥

Hey Guys! I’m an Android Developer Kotlin dedicated to helping startups and businesses build high-performance mobile applications. Interested? Drop me a message, and I’ll show you my workflow and how I can help your project thrive! What Android Developer Kotlin Do: ⚪️ Android Kotlin Development: Creating native apps for Android using Kotlin and Java modern UI. ⚪️ App Performance: Optimization, bug fixing Android App , and improving Mobile Develop stability. ⚪️ API Integration: Working with Full Stack teams, REST APIs, and real-time features. ⚪️ App Support: Feature updates for iOS and Android, refactoring, and long-term maintenance. I build Android apps that are not just functional but ready for production. Whether you need a native Android Developer to build from scratch or a Kotlin Developer to scale your current Android App product, I ensure the code is clean and predictable. While I focus on the Android Developer Kotlin Java ecosystem, I understand the importance of cross-platform alignment with iOS, Swift, and Flutter. What I Specialize In Android App Development ✔️ Kotlin Developer expertise: Native development for Android apps. ✔️ Android Developer Kotlin Java standards: Clean Architecture, MVVM, modular structure ✔️ Jetpack components (ViewModel, LiveData, Navigation) and Android Screen Reader support. ✔️ Coroutines and background processing for Mobile Developer projects. ✔️ Room database, SQLite, and local storage. Backend & Integrations ✔️ REST API integration and data handling with Spring Boot or JSP Developer backends. ✔️ Firebase (Auth, Firestore, Push Notifications) and Marketing Cloud Developer tools. ✔️ Salesforce Marketing Cloud Developer triggers and external SDKs. ✔️ WebSockets and real-time updates for Mobile Develop solutions. UI & UX ✔️ Modern UI with XML and Jetpack Compose for any Android Developer India or global project. ✔️ Responsive layouts that match the quality of an iOS Developer or Swift specialist. ✔️ Material Design implementation for iOS Android hybrid feel when needed. ✔️ Perfect user flows, even for complex systems like Magento integrations. Testing & Stability ✔️ Debugging and performance optimization across Bulgaria and international markets. ✔️ Memory optimization and Full Stack Developer level code cleanup. ✔️ Transitioning legacy code from Java Developer to modern Kotlin. ✔️ Web Developer collaboration for seamless API handshakes. Tech Stack: ✔️ Languages: Kotlin, Java, Javascript Developer (API-side), Python Developer (Backend-side). ✔️ Platforms: Android, iOS, Flutter, React Native. ✔️ Architecture: MVVM, Clean Architecture, Full Stack. ✔️ UI: XML, Jetpack Compose, Flutter Developer insights, iOS Developer UI standards. ✔️ Database: Room, SQLite, Java Developer legacy support. ✔️ Other: Google Maps API, Payments, IOS integrations, Bulgaria localized services. Android Developer Kotlin focus on delivering Android App working apps with clear logic, stable performance, and code that is easy to maintain. Whether you are looking for a Mobile Developer or a dedicated Android Screen Reader accessibility expert, I've got you covered. Have a project in mind? Click “Invite”, share what you’re building, and I’ll let you know how I can help.

Dear my Precious Client, My name is Nhan Nguyen. I'm a Senior Developer from Soin Media, a premier software outsourcing company dedicated to connecting global enterprises with elite engineering talent. My Job Success Score is 100%. And I'm one of Top Rated Plus freelancers on Upwork. I started my freelancing career in 2009. I've been working on Upwork since 2010. With 128 completed jobs, 2681 paid hours, and more than 18 year experience, I will deliver your website, web application, and mobile application smoothly and satisfactorily. You will be satisfied with the final products, and we will have a comfortable journey together from the beginning to the ending of the project. You can check my working history for previous feedback from my clients. Collaborative, committed to quality, clear communicator, reliable, accountable for outcomes, solution oriented, professional, detail oriented are what clients reviewed me. NodeJS, React, React Native, C#, Kotlin, Swift, Solidity, Rust, AI are my main tools to build your website, web application, and mobile application. We can start our working partnership at 1 of these 3 points: 1. A description of what you want me build for you. I will compose a proposal and a development plan based on your project description. 2. A UI design (in Figma, Canva, Photoshop,...) which has several screens of your website, web application, or mobile application. I will design the other screens for you. 3. An existing website, web application, or mobile application which was abandoned by your previous developer(s). I will pick up what we have and continue the development until we launch your product(s) to the market. Feel free to ask me any question. Even you won't hire me, I'm still happy to advise you and help you to get your project warm-up. Best regards, Nhan Nguyen.

Are you looking for an expert Android Developer to build a high-performance, cross-platform mobile application? As a Senior Android Developer specializing in Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), I help businesses launch native-quality apps while reducing Mobile App Development costs by up to 50%. By sharing business logic across Android and iOS, I ensure your project is scalable, maintainable, and built for long-term success. 🚀 AI-Powered Android App Development Velocity I leverage an advanced AI-augmented workflow (Cursor, MCP, and Gemini/Claude) to accelerate the Mobile App Development lifecycle. This allows me to: - Code Faster: Automate boilerplate so I can focus on your app's unique architecture. - Increase Accuracy: Use AI-driven refactoring to ensure your Android App is bug-free. - Rapid Prototyping: Deliver production-ready MVPs in record time without sacrificing native performance. 🚀 Core Expertise To deliver world-class Mobile App Development, I utilize a cutting-edge tech stack: - Kotlin Multiplatform (KMP): Expert-level sharing of business logic, networking, and data layers. - Compose Multiplatform (CMP): Designing 100% shared, responsive UIs for Android, iOS, and Desktop. - Native Android: Jetpack Compose, Material 3, Coroutines, and Flow. - Architecture: MVI/MVVM Clean Architecture for scalable, testable codebases. - Smart Notifications: Implementing complex Push Notification strategies, including rich media alerts, deep-linking, and background data synchronization. 🛠️ Technical Stack - Languages: Kotlin, Java, Swift (Interop). - DI & Local Data: Koin, Hilt, SQLDelight, Room. - Networking: Ktor, OkHttp, REST, WebSockets, Apollo GraphQL. - Real-Time & Media: WebRTC (Audio/Video), Twilio, PJSIP, Jitsi, Firebase Services. - Hardware & IoT: Bluetooth (BLE), Geolocation, Maps, and Sensor integration. 💼 Why Choose Me as Your Lead Android Developer? - Top Rated Plus: 100% Job Success Rate and a veteran Android Developer of the Upwork platform. - End-to-End Delivery: From initial concept and architecture to successful Play Store/App Store deployment. - Proven Experience: Numerous commercial projects and a deep portfolio of open-source work on GitHub. - Scalable Solutions: Experience building complex features like WebRTC, Biometrics, and IoT integrations. Whether you need a Kotlin specialist to refactor an existing codebase or a Mobile App Developer to build a cross-platform solution from scratch, I provide the technical leadership your project deserves. 📩 Let’s build your next-gen mobile app. Click the "Invite to Job" button to discuss your requirements and see how my AI-augmented workflow can save you time and budget!

Need someone who can build, stabilize and scale your Android product? You just found him 🤝 📊 12+ years in mobile delivery 📊 20+ Android-focused projects 📊 10+ years supporting regulated and business-critical products 📊 Experience with compliance-ready apps, secure payments, backend-heavy systems and Software Development I help companies create secure, maintainable, high-performance apps for Healthcare, FinTech and consumer products. Core Expertise 🔹 Native Android engineering with modern architecture and Software Design 🔹 Kotlin-first development with maintainability in mind 🔹 Legacy modernization from Java to Kotlin 🔹 Secure integrations, performance tuning, release stability 🔹 Product delivery for Healthcare, FinTech, consumer platforms and Mobile App Development I’m an android developer focused on products where reliability and clean architecture matter. As a kotlin developer, I build scalable solutions with android kotlin best practices, Jetpack tooling and AOSP awareness. Clients come to me for android developer kotlin expertise when they need stability, lower technical debt and growth. I work as an android app developer on products that need more than interface implementation. I support teams with android app development for secure solutions where every android app stays maintainable after launch. My background: improving an android application used by thousands of users, integrating backend systems, payment flows, and healthcare-grade data handling. That is why companies hire me as an android mobile developer ( android mobile app developer ) when they need delivery. What I Do Best ✅ Android development using Kotlin and Java ✅ Architecture design with MVVM, Clean Architecture, modularization ✅ Backend communication, authentication and payment integrations ✅ Performance optimization, debugging, maintenance and release support ✅ Application Improvement for live mobile products ✅ Solo delivery or collaboration inside a larger team My strongest specialization is android developer kotlin work. I often join teams that need android developer kotlin java skills to modernize legacy code, migrate modules, and improve release quality without a full rewrite. That work benefits from practical experience as a java developer and from thinking like an android kotlin developer who can handle new features and stabilization. Relevant Experience Highlights 🔸 Healthcare mobile applications with compliance-aware architecture 🔸 Performance optimization and crash-rate reduction 🔸 Secure data handling and app stability improvements 🔸 Secure apps with payment integration and transaction-safe flows 🔸 Backend integrations with PHP, Python, JavaScript, and REST APIs 🔸 Collaboration with iOS, backend, QA, and web teams 🔸 Ability to scale from one engineer to a delivery team I also have experience with android ble and android bluetooth features for pairing flows and reliable data exchange. Whether I contribute to an android mobile app or support an existing codebase as a mobile developer, I focus on release readiness. Tech Stack 🔸 Android kotlin with Jetpack, Compose, Android SDK, AOSP 🔸 Java, Firebase, secure cloud services, CI/CD 🔸 REST APIs, secure auth, payment gateways 🔸 Node.js, JavaScript, C#, SQL for backend alignment 🔸 Git, Android Studio, release workflows, crash analysis 🔸 MVVM, Clean Architecture, modular apps, scalability-first mindset My work is rooted in native Android, but I also understand broader product ecosystems. I collaborate effectively as an ios developer ( ios app developer ) when cross-platform alignment matters, including iOS Development discussions with teams using Swift. I have worked alongside teams using react native and reviewed delivery implications where flutter developer was involved, though I do not present those as my core specialization. That exposure helps me operate as an android developer and product-minded mobile app developer within cross-functional teams. Team & Product Collaboration 🔹 Coordination with a rest api developer 🔹 Alignment with web application development 🔹 Communication with a web developer or front end developer 🔹 Familiarity with database builder, django, and python automation Support I Can Provide ✔️ Build a mobile app from scratch ✔️ Join an existing product as an app developer android ✔️ Refactor legacy code and modernize architecture ✔️ fix android application bugs and improve release readiness I do not position myself as a wordpress, magento, game developer or unreal engine specialist and I do not use unrelated positioning such as android developer india. Even when someone types android develoer, they usually need a senior specialist who can take ownership. I built mobile applications for autism-related projects with intuitive user experience. 📬 If you need an android developer who can improve an existing product, build a reliable solution from scratch or support growth with kotlin developer depth, send me a message.

🏆 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 (𝐓𝐨𝐩 𝟏𝟎%) 🏆 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐒𝐜𝐨𝐫𝐞 | 𝐢𝐎𝐒 & 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐒𝐰𝐢𝐟𝐭 | iOS App Developer Swift | 𝐊𝐨𝐭𝐥𝐢𝐧 | Android App Developer Kotlin | 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 | 𝟖+ 𝐘𝐞𝐚𝐫𝐬 I’m a Mobile App Developer focused on building scalable, secure, and production-ready mobile products for iOS and Android ecosystems. My work combines mobile app development, mobile app design, clean architecture, API integrations, Firebase workflows, authentication, analytics, payments, push notifications, and long-term product support. I focus not only on features, but also on performance, stability, maintainability, and business growth. As an iOS App Developer Swift specialist, I deliver native Apple ecosystem solutions through Swift, ios development, ios mobile app development, ios swift engineering, App Store readiness, watchos, apple watch, watchkit, and smart watch integrations. My iOS experience covers MVPs, product recovery, scalable production systems, enterprise apps, and secure ios applications. As an iOS App Developer Swift expert, I focus on polished UI, reliable architecture, optimized performance, and maintainable code. As an Android App Developer Kotlin specialist, I build native Android apps using Kotlin, android app development, android development, modular architecture, Firebase, APIs, payments, analytics, authentication, and production-ready release workflows. My Android App Developer Kotlin work includes scalable android app, android app developer, android application, and complex mobile ecosystems designed for long-term growth. As an Android App Developer Kotlin expert, I focus on clean architecture, stable performance, security, and maintainable Android products. I work as an iOS App Developer Swift and Android App Developer Kotlin for businesses that need reliable native mobile development, strong technical decisions, and product-focused delivery. This native expertise helps create secure ios and android solutions for fintech, e-commerce, booking platforms, fitness, health, taxi, transportation, delivery, dating apps, social media app, live streaming app, video streaming systems, AI-based mobile systems, SaaS, business apps, wearables, and IoT. When product goals require faster launch or flexible delivery, I also support react native mobile, react native developer, react native expert, react native app, react developer, react js, react redux, react node, react native firebase, cross platform mobile development, cross platform mobile, hybrid app, hybrid app developer, flutter, flutter developer, flutter dart, flutter firebase, and flutter app workflows. ⭐️⭐️⭐️⭐️⭐️ “Reliable mobile app developer delivering stable releases. From MVP recovery to scalable production systems.” 🎯 What I bring: ✔️ 8+ years as a mobile app developer across full mobile app development lifecycles. ✔️ Strong iOS App Developer Swift background for native ios app, ios developer, senior ios developer, ios app developer, and scalable swift ios development. ✔️ Strong Android App Developer Kotlin background for native android developer work, kotlin developer workflows, android app development, and enterprise Android delivery. ✔️ Experience with API integrations, Firebase, authentication, analytics, payments, push notifications, backend coordination, wordpress, shopify, and mobile app marketing. ✔️ Product collaboration with mobile app designer, mobile app developers, product teams, and business stakeholders. 📱 Mobile Applications I Develop: • Taxi & Transportation Apps • Booking platforms • Fitness & Health Apps • AI-based mobile systems • Security-focused ios and android solutions • Fintech & Payments Apps • E-commerce apps connected with wordpress and shopify • Business & SaaS applications • Social media app, live streaming app, and video streaming platforms • Wearables & IoT systems with watchos, apple watch, watchkit, and smart watch • Delivery and Dating Apps 🚀 Technologies & Skills I architect scalable ecosystems combining native and cross-platform engineering. iOS App Developer Swift products are powered by Swift, ios developer swift workflows, ios development, ios swift delivery, App Store readiness, and iOS App Developer Swift expertise. Android App Developer Kotlin products are powered by Kotlin, android application architecture, Firebase, API connectivity, and Android App Developer Kotlin expertise. I also deliver react native, flutter, hybrid app, and cross platform mobile ecosystems. As an iOS App Developer Swift professional, I help teams build polished iOS applications that are easy to scale. With both iOS App Developer Swift and Android App Developer Kotlin expertise, I support full-cycle mobile app development. iOS App Developer Swift and Android App Developer Kotlin delivery stays production-focused. 📩 Ping me. Let’s build something great.

I’m a dedicated Android and Flutter developer with 13+ years of professional experience building reliable, scalable, and user-friendly mobile and web applications. What I Can Help You With: ✅ Android app development (Java, Kotlin, MVVM) ✅ Flutter mobile & web app development (BLoC state management) ✅ Firebase (Firestore, FCM, Storage, Analytics, Hosting) ✅ REST API integration & real-time socket communication ✅ Google Maps, GPS & location-based apps ✅ BLE & IoT device integration ✅ Hardware communication (MODBUS, BACnet, USB Serial OTG) ✅ In-App Purchases & AdMob integration Project Experience: - Built 2 Flutter mobile apps and 5 Firebase-based web apps - Developed Android apps for IoT, industrial hardware, and RealWear wearable devices - Implemented real-time data, analytics, and secure backend communication I focus on writing clean code, optimizing performance, and ensuring long-term maintainability. Whether you need a full app from scratch or enhancements to an existing project, I’m ready to help. 📌 Available for long-term contracts and challenging projects 📌 Comfortable working independently or with teams Thank You Durgesh

🚀 INTRODUCTION: We build AI agents that work 24/7 for your business. From autonomous sales teams to Voice AI assistants, we create AI-powered solutions that integrate with your existing systems—saving time, cutting costs, and scaling operations without scaling headcount. 👥 WHO WE ARE: AI & Automation team with 15,000+ hours of full-stack development. We specialize in autonomous AI agents, Voice AI (Vapi, Retell), and enterprise integrations. Certified partners: Monday, Make, Vapi, Retell AI, Palantir Foundry. 🤖 AI AGENTS & DEPARTMENTS: Build your AI workforce that operates around the clock: • Autonomous AI Sales Teams — AI SDRs that qualify leads, book meetings, send follow-ups 24/7 • AI Marketing Departments — content generation, personalized outreach, campaign analytics • AI Customer Support — instant responses, ticket routing, escalation to humans • AI Development Assistants — code review, documentation, automated testing • Multi-agent Orchestration — CrewAI, LangChain, LangGraph, AutoGen • Human-in-the-loop Dashboards — full visibility, control, and override capabilities 🎯 VOICE AI SOLUTIONS: Production-ready Voice AI for sales and support: • Inbound AI Agents — handle calls, answer FAQs, qualify leads, route to humans • Outbound AI Calling — cold calls, appointment setting, lead qualification, reminders • AI Receptionist — 24/7 call handling, scheduling, transfers • CRM Integration — calls logged, transcribed, synced automatically • Platforms: Vapi, Retell AI, Bland AI, ElevenLabs, Twilio 🔥 MCP (MODEL CONTEXT PROTOCOL) EXPERTISE: • Custom MCP Server Development (Python, Node.js, TypeScript) • Claude & ChatGPT integration with existing infrastructure • Enterprise AI Agent Architectures with tool calling • RAG systems with vector databases • Secure integration with private data sources 🔄 WORKFLOW AUTOMATION: • Complex multi-step processes across 10+ platforms • Automated reporting, dashboards, real-time analytics • Data transformation, ETL pipelines, migration • Email sequences, drip campaigns, notifications • Platforms: n8n, Make, Zapier, Power Automate, Workato 🔧 CRM/ERP INTEGRATION: • CRM: Salesforce, HubSpot, Pipedrive, Monday, Zoho, Dynamics 365, GoHighLevel, Close CRM • ERP: NetSuite, SAP, QuickBooks, Xero, Stripe, Plaid • Custom API development, webhooks, middleware • Multi-system architectures (5+ platforms as one) 💻 FULL-STACK DEVELOPMENT: • Web apps (React, Next.js, Node.js, Python, FastAPI, Django) • Mobile apps (React Native, Flutter) • AI dashboards, admin panels, internal tools • Database design (PostgreSQL, MongoDB, Redis) 🛠 TECHNOLOGY STACK: AI & LLM: OpenAI GPT-4o, GPT-4 Turbo, Assistants API, Claude API, Claude MCP, Gemini Pro, DeepSeek, Mistral, Llama 3, AWS Bedrock, Groq, Azure OpenAI Agentic AI: LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, Semantic Kernel, Flowise, Dify, Relevance AI, Composio, AgentOps Voice AI: Vapi, Retell AI, Bland AI, ElevenLabs, PlayHT, Deepgram, AssemblyAI, Twilio Voice, Hume AI AI Sales & Outreach: Clay, Apollo, Instantly, Smartlead, Lemlist, AI SDR, Artisan AI, 11x AI Chatbots: Botpress, Voiceflow, Stack AI, Chatbase, CustomGPT, OpenAI Assistants RAG & Vector DBs: Pinecone, Weaviate, Qdrant, ChromaDB, Supabase pgvector, Milvus, pgvector Automation: n8n, Make, Zapier, Power Automate, Workato, Activepieces, Tray CRM: Salesforce, HubSpot, Pipedrive, Monday, Zoho, GoHighLevel, Close CRM, Dynamics 365 ERP & Finance: NetSuite, SAP, QuickBooks, Xero, Stripe, Plaid, Square Healthcare: FHIR API, eClinicalWorks, HL7, Healthcare Integrations Home Services: ServiceTitan, Jobber, HouseCall Pro Dev: React, Next.js, Node.js, Python, FastAPI, PostgreSQL, MongoDB, Redis, AWS, GCP, Azure, Docker 🎯 COMMON USE CASES: • AI SDR that books meetings while you sleep • Voice AI receptionist for 24/7 call handling • ChatGPT/Claude integration into your app • RAG chatbot trained on your company data • CRM automation with AI lead scoring • AI content generator for your CMS • WhatsApp AI bot for customer support • Zapier/Make to n8n migration • Custom GPT and AI Assistant development • Prompt engineering and LLM fine-tuning • Agentic AI workflows • AI data extraction 📊 PROVEN RESULTS: ✅ 5,000+ automated workflows deployed ✅ $4M+ saved for clients through AI & automation ✅ 100,000+ hours of manual work eliminated ✅ 300+ projects completed ($2K to $500K+) ✅ 98% Job Success Score — Top Rated Plus ✅ 85% average reduction in processing time ✅ Voice AI agents handling 10,000+ calls/month 🏆 WHY CHOOSE US: • AI-First: Every solution designed with AI capabilities • Certified Partners: Monday, Make, Vapi, Retell AI, Palantir • Production Experience: AI agents in production, not demos • Fast Deployment: MVP AI agents live in 1-2 weeks 💼 LET'S BUILD YOUR AI WORKFORCE: Whether you need a Voice AI agent or complete AI Departments for sales, marketing, and support— we turn complex AI into solutions that deliver ROI from day one.

Ready to collaborate as dedicated Android Kotlin engineer for comprehensive mobile development - reach out anytime and I can begin within 24 hours. I’m a senior Android developer with 9+ years of professional experience creating fast, reliable, and production-ready mobile applications. As an expert Android app developer, I specialize in Kotlin and Java to build native Android apps that deliver real business value and solve complex challenges. Whether you’re launching from zero or enhancing your existing Android application with advanced features, I deliver structured development, architectural clarity, and clean mobile solutions. 🔧 What I bring to your Android project: ✅ End-to-end Android app development - From initial planning through coding, testing, I manage the complete development cycle using proven Android development practices with Kotlin and Java. ✅ Scalable mobile products - I’ve transformed MVPs into mature, long-running applications using MVVM, MVI, and Clean Architecture. You get maintainable Android code built for sustained growth. ✅ Comprehensive testing approach - I build unit tests, UI automation, CI/CD pipelines, and automated test coverage to keep your Android app stable and reliable through every release. ✅ Hardware and GPS integration - BLE beacons, barcode scanners, Zebra SDK, GPS tracking systems, speech recognition, Google Maps integration, camera APIs, and Unity SDK are all in my core toolkit. ✅ Optimization and stability - optimization and monitoring with Firebase, Android Profiler, Sentry and custom analytics solutions. 📱 Types of Android apps I’ve built: ∙ GPS-enabled map applications with live location tracking and navigation ∙ Warehouse management apps with barcode scanning and inventory systems ∙ Kiosk applications for retail, hospitality, and self-service terminals ∙ Speech recognition and voice-to-text transcription applications ∙ Location-aware apps using BLE beacons and proximity detection ∙ Camera-focused tools for media capture and processing ∙ AI-powered conversational interfaces and productivity apps ∙ Unity-integrated experiences within native Android applications 🛠 Technology stack: Kotlin, Java, Android SDK, Jetpack Compose, GPS/Location Services, Google Maps SDK, Speech Recognition, RxJava, Coroutines, Dagger, Hilt, Koin, MVVM, MVI, Firebase, BLE, Unity, Zebra SDK, Git, Jenkins, Jira If you need a dependable Android app developer with extensive Kotlin and Java expertise, proven mobile architecture skills, GPS and map integration experience, and a track record delivering warehouse, kiosk, and enterprise mobile solutions - I’m ready to contribute. 📩 Let’s build something robust, scalable, and engineered to last.

I build mobile and web apps that feel fast, reliable, and easy to use — whether native mobile apps (Kotlin for Android, Swift for iOS), cross-platform apps (Flutter, React Native), or modern web applications (React, Next.js, Node.js). My goal is to make your product run smoothly, scale easily, and grow with your business. With a Ph.D. in Computer Science and 10+ years of development experience, I've successfully delivered 90+ iOS, Android, and web applications on Upwork — including custom solutions for logistics, healthcare, booking, education, and business automation. 💡 What I Do Best - Cross-platform mobile app development with Flutter & React Native - Native Android app development using Kotlin - Native iOS app development using Swift - Web application development with React, Next.js, and Node.js - Design of clean, maintainable architecture with scalability in mind - Integration of REST APIs, Firebase, AWS, and Supabase - Support for offline mode, background services, and push notifications - Performance optimization, UX improvements, and deployment (App Store, Google Play, web hosting) 🧠 Why Clients Choose Me I combine strong technical expertise with a product mindset — not just delivering code, but building reliable, user-friendly products that support long-term growth. Whether you're building an MVP or scaling an existing application, I can help you choose the right tools and technology stack for both mobile and web. 💬 Let's Build Something Solid If you're looking for a developer who covers both mobile and web ecosystems, let's discuss your next project.