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Vinod K.
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Vinod K.

Full-Stack Architect | Mobile & Web | Flutter, React Native, AI ML

Tech Lead & Full-Stack Architect with 14+ years of experience delivering scalable, secure, and high-performance mobile & web applications. I’ve partnered with unicorn startups and enterprise clients in FinTech, HealthTech, Blockchain, and AI/ML to architect solutions that are built for growth. Key Achievements -- Architected one of North America & UK’s top parking apps (SoftBank-backed unicorn). -- Built a HIPAA-compliant healthcare platform for major US providers. -- Designed a real-time trading system handling millions of transactions per second. Core Technical Expertise AI/ML & NLP: AI/ML Architecture (TensorFlow, PyTorch, AWS SageMaker, YOLOv7/v8) NLP/NLU, Recommendation Engines, Predictive Analytics Chatbot Solutions: OpenAI, ChatGPT, Amazon Lex, IBM Watson Mobile Development: Native iOS (Swift, SwiftUI, Objective-C), Android (Kotlin, Java, Jetpack Compose) Cross-Platform: Flutter, React Native, .NET MAUI, Xamarin BLE, IoT, Wearable & Fitness Device Integrations Web Development: Frontend: React.js, Next.js, Angular, ExtJS, SASS, Bootstrap Backend: Node.js, Laravel, Django, CakePHP, .NET Core, LAMP Stack API Development: REST, GraphQL, WebSockets Cloud & DevOps: AWS, Google Cloud, Azure (Serverless, Cloud Functions, CI/CD) Docker, Kubernetes, Terraform, Fastlane, CircleCI, Bitrise, GitHub Actions Blockchain & FinTech: Ethereum, Solidity, Hyperledger Fabric, Stellar, ERC-20, NFTs Crypto Wallets, NFT Marketplaces, Smart Contracts Finance APIs: Plaid, Yodlee, Stripe, Dwolla, Authorize.net Data & Databases: PostgreSQL, MySQL, MongoDB, Firebase, Realm, SQLite Real-Time Data Architecture, Caching, Performance Optimization Domain Expertise HealthTech: HIPAA Compliance, Remote Monitoring, Patient Portals FinTech: Stock/Forex/Crypto Trading, Fraud Detection, Analytics Blockchain/Web3: NFTs, Wallets, Smart Contracts, DeFi IoT: BLE/Wi-Fi Devices, Smartwatches, OBD2, Fitness Apps Marketplaces & SaaS: Multi-vendor platforms, Regulatory Compliance Why Work With Me? ✔️ Excellent communication & product ownership mindset ✔️ Proven track record with unicorns & global enterprises ✔️ Strong Agile, DevOps & cross-functional leadership skills ✔️ Clean, scalable, and maintainable code with future growth in mind Let’s talk! I offer a free 30-minute consultation to discuss your product vision and how we can turn it into reality.

🇮🇳Chandigarh, India$25/hr100% JSS3.57 (10)Since Mar 2014
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Earnings and projects

MRR
$66

Last 6 months ÷ 6

World#144,899 / 412k
🇮🇳Country#15,200 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $396

Total earnings
$204k

Billed in all: $204k

World#14,933 / 412k
🇮🇳Country#2,409 / 45.9k
Per project
$8.5k

$396 in the last 6 months

World#19,515 / 412k
🇮🇳Country#2,067 / 45.9k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
24
88% fixed12% hourly
World#116,630 / 412k
🇮🇳Country#17,196 / 45.9k

Earnings, last 30 days

$204kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$200.0k$202.5k$205.0k$207.5kOct 8Oct 23Nov 7

Skill rankings: Top 27% in Firebase Cloud Firestore

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