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Harshal D Kalavadiya

harshalkalavadiya@gmail.com

37 yrs old
Target Roles
Mobile App Developer

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Professional Summary

I have 14 years experience in IT industry and worked mobile and web app with scalable different domains like e commerce, fintech, product

Technical Skills

JavaScriptReact.jsNode.jsExpress.jsMySQL / PostgreSQLREST APIs / GraphQL

Education

Bachelor's Degree

Experience

5+ Years (Senior)

Notable Projects

A UAE-based e-commerce mobile application for pet supplies, enabling customers to browse and purchase 12,000+ products, manage
recurring autoship orders, access delivery promotions, and book pet-related services such as grooming, pet relocation, and aquarium
maintenance.
Key Features
● Implemented traditional user sign-up/sign-in and social authentication using Google and Apple Sign-In.
● Developed product browsing with a customizable home screen supporting dynamic layouts and views.
● Enabled one-time purchases and recurring autoship orders with Weekly, Biweekly, and Monthly subscription options.
● Integrated COD, credit/debit card, Apple Pay, and Google Pay using the Checkout.com payment gateway with UAE payment
support.
● Implemented EAS-based encryption/decryption to securely handle sensitive payment-related parameters.
● Integrated an AI SDK for pet disease diagnosis and automated report generation based on disease codes.



A consumer-facing e-commerce application for browsing products, managing carts, completing checkout, subscribing to recurring
deliveries, managing wallets, and tracking delivery workflows. Integrated analytics, push notifications, deep linking, and optimized
payment flows to provide a seamless shopping experience.
Key Features
● Implemented product discovery features, including Product Listing Pages (PLP), Product Detail Pages (PDP), search, and
personalized recommendations.
● Developed cart and checkout workflows with coupon management, delivery slot selection, and end-to-end order processing.
● Integrated Checkout.com for secure payments, along with wallet and Bitcash payment support.
● Implemented subscription functionality with recurring delivery management.
● Integrated map-based address selection and service-area validation using React Native Maps and Geolocation.



An AI-powered mobile assistant designed to support industrial pump selection, product discovery, technical assistance, multilingual
voice interactions, and dealer connectivity. The application combines AI-powered conversational capabilities with real-time avatar
streaming to provide an interactive and user-friendly technical support experience.
Key Features:
● Implemented secure OTP-based user authentication.
● Developed real-time AI avatar streaming with support for three languages: English, Hindi, and Arabic.
● Integrated Soniox for converting voice conversations into text through speech-to-text transcription.
● Integrated OpenAI GPT-4 to process transcribed conversations and generate relevant technical responses.
● Implemented voice-based interactions to enable natural, conversational communication with the AI assistant.
● Integrated HeyGen SDK for real-time AI avatar streaming and interactive user experiences.