Senior Full Stack Engineer with 6+ years of production experience building SaaS platforms, web apps, and APIs across the .NET / Angular / React / Azure stack. Top Rated on Upwork with a 100% Job Success Score across 28+ contracts. I've also been expanding into Python (FastAPI / Flask) and applied AI/ML — adding LLM features, RAG, and data pipelines to existing products. It's important to me to build long-term relationships with clients, so I'm primarily looking for long-term projects. My skills include: ✔️ Back-end: .NET 8 / C#, ASP.NET Core MVC/MVVM, Web API, SignalR, Razor, WPF, LINQ ✔️ Front-end: Angular, React, TypeScript, JavaScript, jQuery, HTML5, CSS, Bootstrap, Tailwind ✔️ Python: FastAPI, Flask, Pandas, NumPy, scikit-learn ✔️ AI / ML: OpenAI API, LangChain, LLM integration, RAG basics, prompt engineering ✔️ Cloud: Microsoft Azure — App Service, Azure Functions, Azure SQL, Cosmos DB, Azure DevOps ✔️ ORM: Entity Framework Core, Dapper ✔️ Database: SQL Server, MongoDB, PostgreSQL, MySQL, Redis ✔️ Architecture: REST API design, microservices, real-time (SignalR / WebSockets), auth (OAuth / JWT), payment integration (Stripe) ✔️ Tooling: Visual Studio, VS Code, Git, Azure DevOps, Docker ✔️ Process: Agile, Scrum, Kanban Expertise: ✔️ Web Development — REST Web API, ASP.NET Core, Angular, React ✔️ Cloud & Backend — Azure App Service, Web Servicer, Functions, SQL, AKS, Entra ID ✔️ Python + AI Add-ons — Flask / FastAPI services, OpenAI / LangChain integration, light data pipelines Send a message with your goal in two sentences, or book a consultation and we'll scope it together.

I help startups, founders, and growing businesses build AI-powered products, intelligent automation systems, mobile applications, and scalable SaaS platforms. Over the last 8+ years, I've worked on products across healthcare, fintech, eCommerce, logistics, education, social networking, and SaaS. My focus today is helping businesses turn ideas into production-ready applications powered by AI, automation, and modern web technologies. My work includes AI chatbots, AI agents, workflow automation, React Native & Flutter mobile apps, full-stack SaaS platforms, and custom business applications used by thousands to millions of users worldwide. ✔ Top Rated Plus Freelancer ✔ 100% Job Success Score ✔ 8+ Years of Development Experience ✔ 62+ Successfully Delivered Applications ✔ Experience Building Products Used by Millions of Users ✔ Long-Term Partnerships with Startups and Established Businesses 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 - 𝗔𝗜 𝗙𝗜𝗥𝗦𝗧 AI Agents & Automation → OpenAI, Claude, Gemini, Anthropic API integrations → AI Agents and Multi-Agent Workflows → RAG Systems and Knowledge Base Chatbots → AI Customer Support & AI Receptionists → Document Processing and Workflow Automation → Voice AI and AI Calling Agents → LangChain, LangGraph, Vector Databases → N8N, Make, Zapier, Custom Automation Systems Mobile App Development → React Native apps for iOS and Android → Flutter cross-platform applications → Firebase, Supabase, RevenueCat integrations → Real-time messaging and notifications → App Store and Play Store deployment → Performance optimization and scalable architecture Full-Stack Web & SaaS → React, Next.js, TypeScript, Tailwind CSS → Node.js, NestJS, Express.js, Python, FastAPI → REST APIs and GraphQL → PostgreSQL, MongoDB, MySQL, Firebase, Redis → Stripe, PayPal, Subscription Systems → AWS, GCP, Docker, Vercel, Railway → End-to-end SaaS product development 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 - 𝗣𝗥𝗢𝗖𝗘𝗦𝗦 𝟭. 𝗗𝗶𝘀𝗰𝗼𝘃𝗲𝗿𝘆 𝗖𝗮𝗹𝗹 - I understand your business goals, challenges, and requirements before proposing a solution. 𝟮. 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗥𝗼𝗮𝗱𝗺𝗮𝗽 - You receive a clear scope, milestones, timeline, and development plan. 𝟯. 𝗕𝘂𝗶𝗹𝗱 𝗮𝗻𝗱 𝗜𝘁𝗲𝗿𝗮𝘁𝗲 - Weekly progress updates, demos, and transparent communication throughout development. 𝟰. 𝗟𝗮𝘂𝗻𝗰𝗵 𝗮𝗻𝗱 𝗦𝗰𝗮𝗹𝗲 - Deployment, documentation, testing, and ongoing support after launch. 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗛𝗜𝗥𝗘 𝗠𝗘 ✔ AI + Full Stack + Mobile expertise in one developer ✔ Business-focused solutions, not just code ✔ Clean, scalable, maintainable architecture ✔ Strong communication and proactive updates ✔ Experience working with startups from idea stage to production ✔ Long-term support and partnership mindset 𝗟𝗘𝗧'𝗦 𝗪𝗢𝗥𝗞 𝗧𝗢𝗚𝗘𝗧𝗛𝗘𝗥 Whether you're building an AI-powered product, launching a new SaaS platform, developing a mobile app, or automating business workflows, I'm here to help. Let's start with a free discovery call. I'll review your requirements, discuss possible approaches, identify potential challenges, and provide honest feedback before any commitment. If I'm not the right person for your project, I'll tell you upfront. I typically respond within a few hours. Best regards, Brijesh

𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 10+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐁𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 🏆 Recognized as a 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 freelancer on Upwork (𝗧𝗼𝗽 𝟯% of all freelancers) ✅ Over 16,000+ hours on Upwork and still counting 🏅 Successfully completed 125+ projects 🌟 100% Job Success Rate (Client satisfaction is my priority) 💬 90% of clients recommend working with me 🔄 85% of clients return for long-term collaborations 🛠️ 10+ years of expertise in the IT industry 💯 Committed to delivering high-quality work 💸 Offering cost-effective solutions 🗣️ Fluent in English, verified proficiency No matter if you are in the early stages, managing an established business, or seeking a Minimum Viable Product (MVP), I am dedicated to providing outstanding services that fit within your budget, ensuring your utmost satisfaction 💯 ➸ Mobile Applications: Native, Cross-Platform, and Hybrid solutions tailored for both Android and iOS. ➸ Web Applications: From Single Page Applications (SPAs) and Content Management Systems (CMS) to Progressive Web Apps (PWAs) and complete backend (APIs, Architecture) and frontend development. 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: I bring versatility and adaptability, having mastered a broad range of tools and frameworks across web, mobile, and cloud technologies: ➸ Mobile App Development: Java, Kotlin, Objective-C, Swift, SwiftUI ➸ Cross-platform Hybrid App Development: Flutter (Dart), React Native ➸ Web Frontend: React.Js, Redux, Vue.js, Angular, HTML5, CSS3, BootStrap, JavaScript, jQuery ➸ Web Backend: PHP, Node.js, Laravel, Express.js, Nest,js ➸ Databases: MongoDB, MySQL, PostgreSQL, SQLite, AWS DynmoDB ➸ Cloud Solutions: AWS (EC2, Lambda, S3), Firebase, Azure ➸ 3rd Party APIs Integrations: AWS API Gateway, AWS Lambda, Rest API, JSON, XML ➸ Social Integration: Facebook, Twitter, Youtube, Instagram, Snapchat, Tinder ➸ Chat: XMPP, Socket, Firebase, Twilio ➸ Payment Gateway: Paypal, Braintree, Stripe Payment Gateway ➸ In-app Features: In-App Purchase: Advertisement, Push Notifications, GCM, Google Analytics ➸ Version Control Tools - Github, Bitbucket, Gitlab ➸ Google Map, Apple Map kit, Geolocation, GPS, Location Tracking 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲-𝐒𝐩𝐞𝐜𝐢𝐟𝐢𝐜 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 I have successfully delivered projects across diverse industries, with expertise spanning: ➸ Social Networking and Community Platforms ➸ E-Commerce: Single Vendor, Print on Demand (POD), and Multi-Vendor Applications ➸ Healthcare Solutions: HIPAA-Compliant Platforms, Telemedicine, and Fitness Applications ➸ Logistics Management: Freight, Cargo, Fleet, Warehouse, and Supply Chain Solutions ➸ FinTech and POS: Digital Payments, Invoicing, and Financial Applications ➸ Learning & Education Management (LMS): Subscription and Membership-Based Platforms ➸ Real Estate: Property Listings and Management Systems ➸ On-Demand Service Platforms ➸ ERP & Business Automation: Workflow Automation, Inventory, WMS, CRM, Tracking, and Reporting 𝐋𝐞𝐭’𝐬 𝐁𝐫𝐢𝐧𝐠 𝐘𝐨𝐮𝐫 𝐈𝐝𝐞𝐚𝐬 𝐭𝐨 𝐋𝐢𝐟𝐞 🚀 Whether you're building a new product, optimizing an existing platform, or exploring new technologies, I’m ready to help align our vision and budget for a long-term partnership. Let’s make your digital transformation a reality. 📅 Click "𝗜𝗡𝗩𝗜𝗧𝗘" button to initiate a discussion about your project and how I can assist you in reaching your business goals. 𝙍𝙚𝙜𝙖𝙧𝙙𝙨, Ravin_Mobile App Developer | Full-Stack Developer Related Keywords:- #ReactNative #ReactNativedeveloper #Typescript #ReactNativemobiledeveloper #ReactNativeappdeveloper #ReactNativemobileappdeveloper #APIIntegration #MapIntegration #MobileAppDevelopment #flutter #Flutterflow #dart #Firebase #appdevelopment #ios #mobiledevelopment #API Integration #Map Integration #JavaScript #TypeScript #Firebase #GraphQL #Firebase Cloud Firestore #Mobile App #Redux #Stripe #webdeveloper #nodejs #typescript #mongodb #javascriptdeveloper

I am a full stack developer with 12+ years of experience building mobile and web apps. I have worked with startups launching their MVPs and businesses improving existing platforms handling everything from planning to deployment. If you are looking for someone who can take your app idea and actually turn it into a working, scalable product - You are in the right place. I work across Flutter, iOS, Android, web technologies and recently I have been helping clients with no code AI-powered solutions using Claude, Open Claw, Cursor, Replit, Lovable and many more to reduce the project cost. 🔹Over the years, I’ve built: – On-demand apps (food delivery, booking, taxi) – SaaS platforms and MVPs – Real-time apps with chat & notifications – AI-powered applications – E-commerce and marketplace solutions I’m comfortable handling the entire development cycle from UI/UX and frontend to backend, APIs, and deployment so you don’t have to manage multiple developers. Additional Services that i am offering: - 6 Months Free Maintenance once the apps goes live on apple store and Google play store - Ownership/iP rights from the day one uploaded on the Client Github - Regular Updates & Scrum meetings. - Following Agile Scrum Methodology from day one - Strictly adhering to the Apple Guidelines and Google Guidelines. - Taking Complete responsibility of Deployment on both Apple store and Google Play store. 👉 I believe in clear communication, meeting deadlines, and building long-term relationships, not just completing one project and disappearing. If you have an idea, or even a rough concept - I can help you plan it, build it, and launch it. 📩 Send me a message, and let’s discuss how we can bring your project to life.

KanhaSoft is an ISO-certified software development company specializing in AI-powered SaaS platforms, Custom CRM & ERP solutions, web and mobile applications, workflow automation systems, data engineering, and enterprise software development. With 13+ years of experience, 85+ in-house professionals, and 350+ successful projects delivered, we help startups, SMBs, and enterprises build scalable, secure, and high-performing digital products. What We Do SaaS Product Development • Multi-Tenant SaaS Platforms • Subscription-Based Applications • Customer Portals & Self-Service Platforms • Analytics & Reporting Systems • Product Modernization & Scaling Custom CRM & ERP Development • Sales & Lead Management Systems • Operations & Workflow Automation • HRMS & Workforce Management Solutions • Inventory & Order Management Platforms • Industry-Specific Business Applications AI-Powered Solutions • AI Chatbots & Virtual Assistants • OpenAI & Claude Integrations • RAG-Based Knowledge Systems • Intelligent Search & Document Processing • AI Workflow Automation • AI-Powered Analytics & Reporting Web & Mobile Application Development • React.js & Next.js Applications • Node.js, Python & Laravel Development • React Native & Flutter Mobile Apps • Cross-Platform & Native Solutions • Enterprise Web Applications Data Engineering & Automation • Web Scraping & Data Extraction • Competitor Price Monitoring Solutions • ETL Pipelines & Data Processing • Business Intelligence & Reporting • API Integrations & Automation Workflows IT Staff Augmentation • Full-Stack Developers • Frontend & Backend Engineers • AI & Data Engineers • DevOps Engineers • Dedicated Development Teams Technology Expertise Frontend: React.js, Next.js, Angular, TypeScript, JavaScript, Tailwind CSS Backend: Node.js, NestJS, Python, Django, FastAPI, Laravel, PHP Mobile: React Native, Flutter, Android, iOS Databases: PostgreSQL, MySQL, MongoDB, SQL Server Cloud & DevOps: AWS, Azure, Docker, Kubernetes, CI/CD AI & Automation: OpenAI, Claude, LangChain, RAG Systems, AI Agents, Workflow Automation Why Businesses Choose KanhaSoft ISO-Certified & Proven Development Partner • ISO-Certified Software Development Company • 350+ Successful Projects Delivered • 13+ Years of Industry Experience • 85+ In-House Developers, Designers & Engineers • Long-Term Client Relationships Worldwide AI-Enhanced Development We leverage modern AI tools including Cursor AI, GitHub Copilot, Claude, and intelligent automation workflows to accelerate development, improve code quality, and reduce delivery timelines while maintaining security and scalability. Business-Focused Approach We do more than write code. We help clients validate ideas, define MVPs, select the right technology stack, and build products that are scalable, maintainable, and commercially successful. Quality & Reliability • Transparent Communication • Agile Development Process • Dedicated Project Management • Clean & Maintainable Code • Security-First Development • Post-Launch Support & Maintenance Industries We Serve • SaaS & Technology Startups • Healthcare & Telemedicine • Real Estate & Property Management • Insurance & Financial Services • Recruitment & HR Technology • eCommerce & Marketplaces • Logistics & Supply Chain • Education & eLearning • Manufacturing & Operations Engagement Models • Fixed-Price Development • Dedicated Development Teams • IT Staff Augmentation • Long-Term Product Development • Maintenance & Support Whether you need to build a new SaaS platform, develop a Custom CRM or ERP solution, integrate AI-powered capabilities, automate business workflows, implement competitor price monitoring systems, or extend your engineering team, KanhaSoft provides the expertise, scalability, and reliability to help you succeed. Let's discuss your project and explore how we can bring your vision to life.

With 15+ years of hands-on experience in web, mobile, and cloud development, I have delivered 120+ successful projects across the globe — earning 100% Job Success Score and Top Rated Plus status on Upwork. I am the IT Manager and Lead Developer at AddWeb Solution, a top-rated Upwork agency. I specialize in building scalable, high-performance digital products using modern technologies. WHAT I BUILD: - Web Applications: Laravel, PHP, WordPress, Magento, Shopify, React, Vue.js, Node.js - Mobile Apps: Flutter, React Native (iOS and Android) - Cloud and DevOps: AWS, Google Cloud, Docker, CI/CD pipelines - CRM and ERP Systems: Custom solutions, Zoho, Salesforce integrations WHY CLIENTS CHOOSE ME: - 300K+ earned on Upwork with 120+ completed contracts - 11,000+ hours of proven delivery - End-to-end ownership — from architecture to deployment - Clear, proactive communication throughout the project - Agile methodology with on-time, on-budget delivery I have also worked extensively with design and project management tools including Photoshop, Figma, GitHub, JIRA, Trello, Asana, Basecamp, and more. Whether you need a new product built from scratch, a legacy system revamped, or a dedicated offshore development team — I bring the expertise, reliability, and leadership to make it happen. Available Monday to Sunday. Let us discuss your project today.

I help founders and businesses build AI-powered applications, SaaS platforms, and custom software products from idea to production. As an AI Developer and Full Stack Engineer, I specialize in building Generative AI solutions, LLM applications, AI Agents, web applications, and scalable backend systems. Whether you are starting with a new product idea, building an MVP, integrating AI into an existing platform, or scaling a SaaS product, I can handle the complete technical journey from architecture to deployment. 🏆 Top Rated Plus 🏆 100% Job Success 🏆 10+ Years Experience 🏆 80+ Projects Delivered What I Build 🤖 AI Applications & LLM Solutions • AI Agents, ChatGPT integrations, Generative AI apps, RAG systems 💼 SaaS & Web Applications • MVP Development, SaaS Platforms, Custom Web Applications ⚙️ Automation & AI Workflows • Business Automation, AI Assistants, API Integrations 🎙️ Voice AI Solutions • AI Voice Assistants, Speech AI, Conversational AI How I Work (What Clients Appreciate) ✅ Clear communication throughout the project ✅ Honest timelines and realistic expectations ✅ Strong ownership from planning to deployment ✅ Regular progress updates ✅ Clean, scalable, maintainable code ✅ Focus on QUALITY, DISCIPLINE, and business OUTCOMES Core Technologies AI & Generative AI: OpenAI, ChatGPT API, Claude, Gemini, LLM, LangChain, LangGraph, RAG, AI Agents, Voice AI Backend Development: Python, FastAPI, Django, Flask, Node.js, NestJS, REST API, GraphQL Frontend Development: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS Cloud & Database: AWS, Docker, Kubernetes, PostgreSQL, MongoDB, Redis. Typical Projects 💡 Idea → MVP Development 🚀 MVP → Production Application 📈 SaaS Product Development & Scaling 🤖 AI Integration & Automation If you need an AI Engineer, Full Stack Developer, or technical partner who can transform an idea into a reliable production-ready product, let's connect. Sudhir

I am a Senior Embedded Systems Engineer with 19+ years of experience in Embedded Firmware Development, PCB Design, and IoT Product Engineering. I help startups and businesses develop production-ready embedded products from concept to manufacturing. I specialize in building reliable, scalable, and manufacturable embedded systems for industrial automation, smart home systems, wearable devices, medical electronics, and consumer products. I have successfully delivered complete embedded and IoT solutions covering hardware architecture, schematic design, firmware development, wireless connectivity, PCB layout, testing, and production support. Core Expertise Embedded Firmware Development • Bare-metal and RTOS-based firmware development in C/C++ • Driver development, board bring-up, debugging, and validation • Low-power optimization and battery-powered device design • Secure OTA firmware updates and device provisioning • Communication protocols: UART, SPI, I2C, RS485, USB, CAN, ADC/DAC Microcontrollers & Platforms • STM32 (Cortex-M0/M3/M4/M7) • ESP32 / ESP8266 • Nordic nRF52 Series • Holtek, PY32, MG82F6D17 • Arduino and Raspberry Pi IoT & Wireless Technologies • BLE (Bluetooth Low Energy) • Wi-Fi • LoRa / LoRaWAN / LoRa Mesh • MQTT, Mosquitto, and cloud-connected IoT systems • Ethernet • NFC & RFID • 4G/LTE, CAT-M1, NB-IoT Hardware & PCB Design • Custom schematic and PCB design (1–6 layers) • Mixed-signal, analog, and digital circuit design • Power supply and battery management systems (BMS) • DC-DC converters, buck/boost circuits, and linear regulators • High-speed routing and impedance-controlled layouts • Design for Manufacturing (DFM) and production support Displays, UI & Sensors • LVGL UI development for TFT touch displays • LCD/OLED display integration • GPS, temperature, ultrasonic, laser, and industrial sensors • Motor control systems: BLDC, Stepper, Servo, and DC motors Recent Projects • Smart WiFi Switch with MQTT communication, OTA firmware updates, mobile app integration, and cloud connectivity • BLE to Mesh Gateway for industrial sensor networks • Industrial Real-Time IR Beam Detection System with Raspberry Pi 5 • Industrial Cold Storage Temperature Controller with Real-Time Alerts • Battery-powered IoT devices with low-power optimization and wireless connectivity What I Deliver • Production-ready embedded firmware • Custom hardware and PCB designs • End-to-end IoT product development • Reliable wireless communication systems • Low-power and battery-optimized devices • Manufacturing-ready designs with production support I focus on building robust embedded products that work reliably in real-world environments. Whether you need firmware development, PCB design, wireless connectivity, MQTT-based IoT systems, LVGL interfaces, or complete product development, I can help bring your idea from prototype to production.

I build mobile applications for iOS and Android, from startup MVPs to scalable production-ready products. With 8+ years of software development experience, I specialize in developing high-quality mobile applications, AI-powered experiences, and mobile solutions that help businesses launch faster and improve user engagement. What I can help with: • Flutter & React Native Development • Native iOS & Android Applications • Mobile App MVP Development • AI-Powered Mobile Apps • OpenAI, Claude & Gemini Integrations • AI Assistants & Chat Experiences • Voice AI Features • Backend APIs & Mobile Integrations • Firebase & Supabase Development • Authentication & User Management • App Store & Play Store Deployment • SaaS Mobile Applications Tech Stack: • Mobile Development: Flutter, React Native, Swift, Kotlin • AI & LLMs: OpenAI, Claude, Gemini • Voice AI: ElevenLabs, Deepgram, Vapi • Backend & APIs: Node.js, Python, REST APIs, GraphQL • Databases: PostgreSQL, Firebase, Supabase • Infrastructure: AWS • AI Development Tools: Cursor, Lovable, Bolt, Replit, Bubble Whether you need a new mobile application built from scratch, AI capabilities added to an existing app, or an MVP launched quickly, I can help design and deliver the right solution. Best regards, Chirag PS: I'm comfortable working with both traditional development and newer tools like Cursor, Lovable, Bolt, Replit, and FlutterFlow, depending on what works best for the project.

I am a full-stack healthcare and technology engineer with 14+ years of experience delivering compliant, scalable, and intelligent systems across Healthcare, FinTech, Web3, AI Automation, Mobile, and Gaming. My primary focus is healthcare, building platforms that meet the most rigorous compliance standards while integrating seamlessly into real-world clinical ecosystems. Healthcare Engineering & Compliance I specialize in HIPAA, FHIR R4, HL7, GDPR, PIPEDA, and SOC2-compliant product development, with hands-on integration experience across Epic, Oracle Cerner, Meditech, and Athenahealth. I design and build telemedicine platforms, EHR/EMR systems, patient portals, remote patient monitoring (RPM) tools, AI clinical assistants, medical imaging platforms, ePrescription and pharmacy integrations, IoT wearable connectivity, lab & diagnostic APIs, and enterprise healthcare SaaS. Every system I deliver includes secure PHI handling, audit logging, encryption standards, and role-based access controls. Key deployments: 1. Huma (global digital health, 70+ countries, 100M+ patients). 2. GoToDoctor (full telehealth ecosystem) 3. Biocalculus (AI cardiac monitoring with Bluetooth ECG streaming, cloud backend, and deep learning arrhythmia detection). AI Bots & Intelligent Workflow Automation I build NLP-driven, role-aware AI workflow agents that sit as an intelligent overlay on top of your existing application, reducing per-role workload without requiring a full platform rebuild. This approach is cost-efficient, non-disruptive, and has been deployed across both Web2 healthcare systems and Web3 decentralized environments. I integrate LLMs, build custom AI Workflow agents, and architect automation pipelines that scale with your team. FinTech, Web3 & Blockchain My FinTech experience covers crypto and stock trading platforms, investment dashboards, and DeFi tooling on Ethereum & Solana. I've built Web3 automation bots, smart contracts, and hybrid Web2/Web3 architectures, applying the same compliance and engineering rigor from healthcare into high-stakes financial systems. Mobile Development I am currently developing Kotlin/React Native/Flutter-based Android applications with a focus on healthcare, including real-time device streaming(wearable data), secure cloud data pipelines, and clinical-grade UI/UX. My mobile work spans patient-facing apps, clinician tools, and IoT device companions. Gaming & Creative Tools I've delivered high-concurrency systems for Asia's top-listed gaming companies and also built Canvas-based image editor/creator tools in the Web2 space, demonstrating range across demanding, performance-critical environments. White-Label Enterprise CRM, POS, ERP & Inventory I offer a pre-built, enterprise-grade white-label platform covering CRM, Point of Sale, Inventory Management, and ERP ready to launch under your brand. This saves months of development time and significantly reduces go-to-market cost for businesses needing a complete operational platform. Core Stack: GoLang · Node.js · Nest.Js · Python · Rust || Kotlin · Flutter · React Native · AngularJS · React.Js || Ethereum · Solana || FHIR R4 · HL7 · HIPAA · GDPR · PIPEDA · SOC2 Browse my portfolio and past work for live examples across every domain. If you're building in healthcare or need a cross-domain engineer who delivers -- let's connect!!!