About me

Experienced Mobile Developer with 6+ years in Android and Flutter development. Strong background in building scalable apps across multiple domains, including e-commerce, streaming, and logistics. Skilled in Kotlin, Flutter, and GraphQL with proven success in reducing crash rates and improving performance. Adept at leading teams and delivering high-quality releases on time.

Key Highlights:

👉 Full-Stack Development:
* Developed full-stack GraphQL backends with Node.js/TypeScript, PostgreSQL, and real-time WebSocket updates
* Integrated RevenueCat + Stripe + Razorpay across 10+ apps, boosting recurring revenue by 40%
* Managed entire infrastructure (SSL, auto-backups, scaling) with 95% uptime

👉 Mobile Development:
* Designed, built, and shipped 10+ apps on Google Play, App Store, Amazon Appstore (Android TV, Fire TV, Mobile, Flutter)
* Reduced app size by 30% and crash rate by 85% via Crashlytics, R8, and multi-module architecture
* Led Strimm Smart TV platform (1000+ users) using ExoPlayer, Leanback, IPTV integration
* Created India's first Android Auto news + podcast app for ABP Live

👉 Leadership & Mentoring:
* Mentored 5 junior developers and established CI/CD pipelines (GitHub Actions, Fastlane)
* Achieved 10M+ total downloads through analytics-driven optimization
* Published 50+ apps on Google Play, App Store, and Amazon Appstore

👉 Technical Expertise:
* Programming Languages: Kotlin, Java, Dart, TypeScript, JavaScript, Node.js
* Backend & APIs: GraphQL (Apollo), REST, Node.js, Express, PostgreSQL, Firebase, Supabase
* Payment & Monetization: RevenueCat, Stripe, Razorpay, Google Play Billing, Apple In-App Purchase
* DevOps: Digital Ocean, Oracle Cloud (OCI), GitHub Actions, CircleCI, Fastlane

What i'm doing

  • mobile app icon

    Mobile apps (Flutter | Android | IOS)

    Professional development of applications for Android & IOS.

  • mobile app icon

    Android TV / Fire TV

    Advanced app developement on Android TV & Fire TV.

  • ui app icon

    Android Auto App

    Auto app for Listening Podcast into Car.

  • ui app icon

    UI design

    UI desiging for android in XML.

Daniel lewis
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Daniel lewis

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Experience

  1. 360 Degree Technosoft

    June 2023 – Present Ahmedabad, Gujarat - India

    • Designed, built, and shipped 10+ apps on Google Play, App Store, Amazon Appstore (Android TV, Fire TV, Mobile, Flutter)
    • Developed full-stack GraphQL backends with Node.js/TypeScript, PostgreSQL, and real-time WebSocket updates
    • Integrated RevenueCat + Stripe + Razorpay across 10+ apps, boosting recurring revenue by 40%
    • Led Strimm Smart TV platform (1000+ users) using ExoPlayer, Leanback, IPTV integration
    • Reduced app size by 30% and crash rate by 85% via Crashlytics, R8, and multi-module architecture
    • Mentored 5 junior developers and established CI/CD pipelines (GitHub Actions, Fastlane)

  2. OpenSource Infotech (Freelance Developer)

    June 2020 – May 2023 Surat, India

    • Delivered 10+ apps with In-App Subscriptions and VAST audio ads
    • Achieved 10M+ total downloads through analytics-driven optimization
    • Actively participated in code reviews, providing valuable insights and feedback to improve overall code quality
    • Trained multiple interns & Junior developers to get started on their Android journey
    • Managed multiple projects and led a team of 5 developers

  3. Bigscal Technologies

    June 2019 – May 2020 Surat, India

    • Built Healthray App modules in Kotlin - Consult a doctor online and book appointment/ Generate Bill / Online Report / Health Measurement / Pay Online and Many more functionality
    • App Built with Kotlin, MVVM Architecture, RxJava, Retrofit, Firebase, Unit Testing, Coroutines
    • Reduced app size by 30% using asset optimization

    Programming Languages

    1. 🏆 Languages:

      👉 Kotlin 👉 Java 👉 Dart 👉 TypeScript 👉 JavaScript 👉 Node.js

    Mobile & Cross-Platform

    1. 🏆 Technologies:

      👉 Flutter 👉 MVVM 👉 Clean Architecture 👉 Leanback 👉 ExoPlayer 👉 Android Auto 👉 Fire TV 👉 GetX 👉 BLoC 👉 Provider 👉 Riverpod

    Backend & APIs

    1. 🏆 Technologies:

      👉 GraphQL (Apollo) 👉 REST 👉 Node.js 👉 Express 👉 PostgreSQL 👉 Firebase 👉 Supabase

    Payment & Monetization

    1. 🏆 Technologies:

      👉 RevenueCat 👉 Stripe 👉 Razorpay 👉 Google Play Billing 👉 Apple In-App Purchase 👉 AdMob 👉 Facebook Audience Network

    DevOps & Infrastructure

    1. 🏆 Technologies:

      👉 Digital Ocean 👉 Oracle Cloud (OCI) 👉 GitHub Actions 👉 CircleCI 👉 Fastlane

    Other Skills

    1. 🏆 Technologies:

      👉 Background location (WorkManager, Background Fetch) 👉 Live maps 👉 WebSocket 👉 AI code generation 👉 IPTV 👉 VAST ads 👉 Git 👉 Jira 👉 Asana 👉 BitBucket 👉 Figma 👉 Adobe XD
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Achievements

  1. Key Achievements

    • Created India's first Android Auto news + podcast app for ABP Live
    • Published 50+ apps on Google Play, App Store, and Amazon Appstore
    • 1st Prize Research Paper award from IEEE (out of 5000+ papers)

Education

  1. Parul University

    August 2015 – April 2019

    B.Tech Computer Science & Engineering

    Vadodara, Gujarat, India

Portfolio