What technical stack and architecture does KEYUR H. SATANI specialize in?

KEYUR H. SATANI specializes in Flutter, Dart, Clean Architecture, BLoC/Cubit & GetX state management, REST APIs, WebSockets, Firebase, SQLite, Hive, and automated CI/CD store deployments for Android and iOS.

How does KEYUR H. SATANI ensure 60/120 FPS high-performance and zero crashes in mobile apps?

KEYUR H. SATANI implements memory profiling, automated widget testing, background isolates for heavy data parsing, robust offline-first SQLite/Hive caching, and Firebase Crashlytics telemetry to maintain a 99.9% crash-free rate.

KEYUR H. SATANI | Flutter Developer

Q: Is KEYUR H. SATANI available for full-time roles, contract development, or consulting?

Yes, KEYUR H. SATANI is available for Senior Mobile Engineer full-time opportunities, MVP cross-platform builds, and enterprise mobile architecture consulting.

✦ Interactive 3D Device Studio

Test Production Apps in Real-Time

Explore full UI layouts, interactive workflows, and high-fidelity screenshots inside our titanium smartphone simulator.

Select Live Application

Engineering Highlights

Enterprise UI Architecture

Responsive layouts designed for Android, iOS & Tablets with sub-16ms render times and zero-memory leaks.

⚡ Production Architecture

9:41

5G 100%

Application Screenshot on Mobile Simulator

Hira Diary

Slide 1 of 3

✦ Featured Engineering Portfolio

Featured Applications & Client Deliveries

A curated showcase of production applications, enterprise solutions, and client deliverables engineered by KEYUR H. SATANI.

Magic Paint – Kids Creative Art Studio & AR Learning App Preview Screenshot

Mobile App 📸 7 Screens 📲 APK

Featured

Magic Paint – Kids Creative Art Studio & AR Learning App

Architected a studio-grade Flutter and Dart creative learning platform powered by BLoC state management and a custom sub-11ms True Span Scanline flood-fill graphics engine with zero-GC memory allocation. Integrated AR 3D camera projection, an interactive STEM Color Science Lab, dynamic 300-DPI vector PDF book generation, and AES-256 encrypted local storage. Includes Firebase Remote Config, child-directed COPPA compliance, and bilingual TTS audio feedback backed by an automated test suite.

Flutter Dart BLoC

WhozNxt – Enterprise Salon & Appointment Management SaaS App Preview Screenshot

Mobile App

Featured

WhozNxt – Enterprise Salon & Appointment Management SaaS App

Built a comprehensive B2B salon & appointment management mobile ERP using Flutter and GetX to streamline operations for beauty and wellness businesses. Engineered seamless modules for real-time diary scheduling, staff availability tracking, CRM client management, marketing broadcasts, and revenue analytics across 50+ REST API endpoints. Integrated Firebase Cloud Messaging (FCM) for background push alerts with fluid 60 FPS UI rendering.

Flutter Dart GetX

Status Saver & 4K Media Downloader Preview Screenshot

Utility & Tools 📸 5 Screens 📲 APK

Featured

Status Saver & 4K Media Downloader

Engineered a production-ready media utility in Flutter engineered for strict Android 11–15 Scoped Storage (SAF) compliance without broad storage permissions. Features a resilient chunked stream downloader with auto-resume and HTTP 403 token recovery for YouTube (up to 4K/Audio extraction) and Instagram, alongside an encrypted biometric private vault and offline HD playback. Architected dynamic cloud control via Firebase Remote Config for instant feature toggles, app updates, and policy-compliant AdMob monetization with Google UMP GDPR consent.

Flutter Dart Android Scoped Storage

Mobile Application

Open Source

The Speed Turtle App

Designed for trainers, trainees, and life coaches to build consistency, discipline, and high-performance habits.

Flutter Dart Habit Coaching

GitHub ↗

MATA News Application Preview Screenshot

News & Media

Play Store Live

MATA News Application

Visual-first, personalized news platform with fast, intuitive storytelling and a tailored news feed based on user interests.

Flutter REST APIs News Feed

Play Store ↗

QR Scanner Application Preview Screenshot

Utility & Tools

Open Source

QR Scanner Application

High-accuracy QR & barcode scanning app with instant decoding, smooth performance, and a user-friendly interface for everyday scanning needs.

Flutter Barcode ML Scanner

GitHub ↗

Media Player Application Preview Screenshot

Media & Streaming

Open Source

Media Player Application

The Ultimate All-in-One Player: A seamless audio and video experience with smart playback controls and an intuitive interface for all your media needs.

Flutter Audio Service Video Player

GitHub ↗

Other Products Developed Preview Screenshot

E-Commerce & Fitness

Open Source

Other Products Developed

E-commerce application, exercise & fitness tracking app, and education/learning applications tailored for scalable, real-world use cases.

E-Commerce Fitness Tracking EdTech

GitHub ↗

Bridge Builder: Master Architect – 2D Real-Time Physics Puzzle Game Preview Screenshot

Game Development

Featured

Bridge Builder: Master Architect – 2D Real-Time Physics Puzzle Game

A high-performance 2D bridge construction simulator engineered with Flutter, Flame Engine (v1.38), Forge2D (Box2D), and BLoC architecture.

Flutter Flame Engine Forge2D

Who's Nxt – Salon Appointment Booking & Retail E-Commerce App Preview Screenshot

Mobile App

Featured

Who's Nxt – Salon Appointment Booking & Retail E-Commerce App

Luxury barbershop booking & retail mobile application with real-time slot calendar, Stripe payments, and loyalty rewards.

Flutter Dart GetX

✦ Technical Architecture & Core Specializations

Categorized Skills & Technology Radar

In-depth proficiency matrix across cross-platform frameworks, state management architectures, cloud backends, and store release ecosystems.

📱

Core Mobile & Languages

6 core technologies

Cross-platform mobile development for Android & iOS with compiled native speed

Flutter Framework SPECIALIST

3.5+ yrs building custom widgets & responsive layouts

Dart SPECIALIST

Object-oriented, strong typing, async streams & isolates

Flutter Web SPECIALIST

Production web applications, responsive dashboards & admin consoles

Cross-Platform UI SPECIALIST

Single codebase for iOS, Android and Web

Android (Java/Kotlin)

Platform channel awareness & manifest setup

iOS (Swift/Obj-C)

Xcode signing, CocoaPods, Info.plist configurations

Production Tested ✓ Verified

🧱

State Management

4 core technologies

Scalable reactive data flows, unidirectional state, and decoupled architecture

Bloc / Cubit SPECIALIST

Event-driven reactive streams & state separation

GetX SPECIALIST

Lightweight state, route management & dependency injection

Provider SPECIALIST

InheritedWidget wrapper for scoped widget tree state

Riverpod

Compile-safe declarative providers & scoping

Production Tested ✓ Verified

⚡

Networking & Real-Time

4 core technologies

Low-latency data synchronization, web sockets, and RESTful communication

RESTful APIs SPECIALIST

HTTP/HTTPS communication, interceptors & error handling

JSON Data Handling SPECIALIST

Model serialization, deserialization & null safety

Dio Interceptors SPECIALIST

Token auto-refresh & global request pipeline

Socket.IO & WebSockets

Real-time bidirectional event streaming

Production Tested ✓ Verified

☁️

Backend & Cloud Services

5 core technologies

Cloud databases, serverless workflows, and push messaging

Firebase Firestore SPECIALIST

NoSQL real-time document database & query indexing

Firebase Authentication SPECIALIST

Phone OTP, email/password & session persistence

Cloud Messaging (FCM) SPECIALIST

Push notification payloads & background handlers

Stripe Payments SPECIALIST

Payment Sheet integration & 3DS security

Razorpay Gateway SPECIALIST

Checkout SDK integration & transaction verification

Production Tested ✓ Verified

💾

Local Storage & Caching

3 core technologies

Offline-first capability, persistence, and relational tables on device

SQLite / SQFlite SPECIALIST

Structured SQLite relational database on device

Hive SPECIALIST

Blazing fast, lightweight key-value NoSQL database

Shared Preferences SPECIALIST

Platform key-value storage for settings & tokens

Production Tested ✓ Verified

🏗️

Architecture & Standards

4 core technologies

Industry-standard engineering patterns for maintainability and scalability

Clean Architecture SPECIALIST

Domain, data, and presentation layer decoupling

SOLID Principles SPECIALIST

Modular, extensible, single-responsibility components

Figma to Flutter Code SPECIALIST

Pixel-perfect conversion maintaining design fidelity

App Performance Optimization SPECIALIST

Widget tree rebuilding reduction & profiling

Production Tested ✓ Verified

🔒

Device Features & APIs

4 core technologies

Hardware capabilities, maps, and native integrations

Biometric Authentication SPECIALIST

Hardware fingerprint, Touch ID & Face ID

Camera ML Scanner SPECIALIST

Real-time barcode/QR detection with canvas overlays

Audio/Video Streaming SPECIALIST

Background audio service & visualizers

Maps & Location

Google Maps SDK, geocoding & live location

Production Tested ✓ Verified

🛠️

Tools, Store & CI/CD

4 core technologies

Tooling for agile development, code management, and store releases

Google Play Console SPECIALIST

Production release, internal testing tracks & app bundles

Apple App Store & TestFlight SPECIALIST

App Store Connect, certificates & beta distribution

Git & GitHub SPECIALIST

Version control, branching strategies & PR code reviews

Android Studio & VS Code SPECIALIST

Primary IDEs with Flutter/Dart DevTools & profiler

Production Tested ✓ Verified

🌐

Web, Admin & Deployment

4 core technologies

Production web applications, responsive back-office admin dashboards, and SEO

Flutter Web Development SPECIALIST

Responsive web dashboards & adaptive layouts

Technical SEO Implementation SPECIALIST

Structured data (Schema.org JSON-LD) & OpenGraph

Responsive Web UI SPECIALIST

Fluid cross-device viewports from mobile to desktop

Netlify & GitHub Pages SPECIALIST

Continuous deployment & custom domains

Production Tested ✓ Verified

Core Proficiency Indices

Flutter, Dart

95%

GetX, Bloc

92%

Auth, Firestore, Analytics, Crashlytics

90%

REST API's

94%

Firebase database, SQLite

88%

✦ Engineering Capabilities

Services & Technical Solutions

End-to-end mobile development services from initial design translation to store deployment and continuous optimization.

📱

Cross-Platform Mobile Apps

End-to-end development of high-performance iOS and Android applications from a single, clean Dart codebase.

#01

🎨

Pixel-Perfect UI Implementation

Precision conversion from Figma design files into fluid, responsive Flutter widgets with micro-interactions.

#02

🧱

State Management Architecture

Production mastery of Bloc/Cubit, GetX, and Provider following Clean Architecture and SOLID principles.

#03

⚡

REST APIs & Real-Time Sync

Synchronous REST integration with Dio interceptors and real-time Socket.IO streams for live booking and chat.

#04

☁️

Firebase Cloud Ecosystem

Implementation of Cloud Firestore, Firebase Authentication (OTP/Email), Push Notifications (FCM), and cloud functions.

#05

💾

Local Storage & Offline First

Offline-first resilience using SQLite, Hive, and Shared Preferences for instantaneous local data access.

#06

🔒

Biometrics & Hardware Features

Fingerprint / Face ID security, Camera ML scanner overlays, and background audio streaming engines.

#07

💳

Payment Gateway Integration

Integration of Stripe Payment Sheet and Razorpay checkout SDK for in-app purchases, deposits, and wallets.

#08

🚀

Store Deployment (Play Store & iOS)

Hands-on experience publishing to Google Play Console, internal tracks, Apple App Store Connect, and TestFlight.

#09

⏱️

App Performance & 60fps Tuning

Auditing rebuild counts, profiling frame render times, minimizing app bundle sizes, and resolving production defects.

#010

✦ Structured Delivery Process

6-Step Engineering Lifecycle

A battle-tested agile development methodology for delivering zero-defect, high-performance mobile products.

01

Understand Requirements

Analyze product requirements, user flows, edge cases, and business constraints to design a rock-solid technical roadmap.

02

UI / Figma to Flutter

Convert Figma / design assets into pixel-perfect, responsive Flutter widgets matching every typography, color, and spacing detail.

03

Architecture & State Management

Set up Clean Architecture with Bloc/Cubit or GetX, decoupling business logic from UI widgets for maintainable, testable code.

04

API, Socket & Backend Sync

Integrate RESTful APIs, Socket.IO real-time channels, Firebase/Supabase, and payment gateways with robust error handling.

05

Testing & Performance Optimization

Optimize widget trees, eliminate redundant re-renders, test on real devices across screen resolutions, and profile memory.

06

Release & Store Deployment

Generate signed release APKs, AABs, and IPAs; configure Google Play Console & Apple App Store Connect / TestFlight for launch.

✦ Engineering SDLC

MNC Engineering Delivery Blueprint

From concept to zero-crash global deployment on App Store & Google Play.

01

Domain & System Modeling

Data contracts, entity definitions, and separation of concerns with Clean Architecture and SOLID foundations.

02

Pixel-Perfect Fluid UI/UX

60/120 FPS high-refresh rate interfaces, Figma design tokens, responsive breakpoints, and micro-interactions.

03

Reactive State & Offline Data

Bloc / Cubit state propagation, SQLite/Hive local persistence, optimistic caching, and WebSocket streams.

04

CI/CD & Zero-Crash SRE

Fastlane build automation, unit/widget test suites, Play Console release tracks, and telemetry tracking.

// MNC Clean Architecture + Bloc Event State
class MobileAppBloc extends Bloc<AppEvent, AppState> {
  final IEnterpriseRepository _repository;
  
  MobileAppBloc({required IEnterpriseRepository repository})
      : _repository = repository,
        super(const AppState.initial()) {
    on<LoadProjectsEvent>(_onLoadProjects);
  }

  Future<void> _onLoadProjects(
    LoadProjectsEvent event,
    Emitter<AppState> emit,
  ) async {
    emit(const AppState.loading());
    final result = await _repository.getPublishedApps();
    result.fold(
      (failure) => emit(AppState.failure(failure)),
      (apps) => emit(AppState.success(apps)),
    );
  }
}

{
  "engineer": "KEYUR H. SATANI",
  "title": "Flutter Developer",
  "status": "Available for full-time roles & freelance opportunities",
  "experienceYears": 4+,
  "skillsCount": 5,
  "publishedApps": 10,
  "location": "Surat, Gujarat"
}

Engine: Flutter 3.x / Dart 3.x

✦ Interactive Scope & Cost Estimator

Calculate Your Project Timeline

Select target platforms and key architectural modules to get an instant delivery estimate & direct consultation proposal.

1. Target Platform

2. Architecture Modules (Select All Needed)

Auth & Biometrics Payment Gateway Real-Time Chat & Sockets Offline SQLite/Hive Sync Push Notifications & CRM Play/App Store Release

Engineering Proposal

Estimated Delivery Time

3 - 4 Weeks

Architecture Tier

Enterprise Production Tier

Zero commitment • Direct reply from KEYUR H. SATANI

✦ Career Timeline

Professional Experience

Junior Flutter Developer

Letmegrab e-platform private Limited • Surat, Gujarat

Jan 2026 – Present

✔ Contributing to the end-to-end development of a new e-commerce marketplace platform ✔ Collaborating with the team to design user-friendly features and core app functionalities.

Flutter Dart E-Commerce REST APIs

Junior Flutter Developer

Freshcodes Technology • Surat, Gujarat

Aug 2024 – October 2025

✔ Developed & maintained high-performance apps with Flutter/Dart ✔ Worked directly with clients to optimize user experience ✔ Implemented new features across mobile platforms

Flutter Dart GetX REST APIs

Junior Flutter Developer

StackApp Infotech

Feb 2024 – Aug 2024

✔ Collaborated with cross-functional teams ✔ Developed user-focused Flutter applications ✔ Ensured responsive designs and bug-free delivery

Flutter Dart Responsive UI Bug-free Delivery

Junior Flutter Developer

Dreamvision Infotech

Aug 2022 – Jan 2024

✔ Built and maintained scalable Flutter applications for Android & iOS ✔ Improved UI/UX by implementing clean, responsive, and reusable components ✔ Contributed to code reviews, testing, and continuous improvement processes

Flutter Android & iOS SQLite Firebase

✦ Frequently Asked Questions

Engineering Insights & Collaboration

Common questions regarding technical specializations, hiring availability, and delivery standards.

What technical stack and architecture do you specialize in? ▼

I specialize in Flutter, Dart 3.x, Clean Architecture, BLoC/Cubit and GetX state management, REST APIs, WebSockets/Socket.IO, Firebase suite, SQLite, Hive, and automated CI/CD store deployments for Android, iOS, and Flutter Web.

Are you available for full-time roles, contract development, or consulting? ▼

Yes, I am actively available for Senior Mobile Application Developer positions, full-lifecycle MVP builds, and enterprise mobile architecture consulting. You can reach out directly via email or WhatsApp.

How do you guarantee 60/120 FPS fluid performance and high reliability? ▼

I enforce Clean Architecture separation of concerns, optimize widget rebuild trees with fine-grained Bloc selectors, execute heavy JSON computations in background Dart Isolates, implement robust offline-first local caching, and track real-time telemetry via Firebase Crashlytics to maintain a 99.9% crash-free session rate.

Can you handle end-to-end Google Play Store & App Store deployments? ▼

Yes. I have published 8+ production applications to Google Play Store and configured automated Fastlane & GitHub Actions CI/CD pipelines, release tracks, keystores, app icons, splash screens, and privacy compliance.

✦ Direct Connect

Let's Build Something Extraordinary

Available for Senior Mobile Engineer roles, enterprise cross-platform consulting, or full-stack Flutter MVP deployments.

💬

WhatsApp Instant Response

+91-8758113819

Chat ↗

✉️

Email Consultation

kevalsatani1234@gmail.com

📍

Location & Work Mode

Surat, Gujarat • Global Remote

LinkedIn ↗ GitHub ↗ Email ↗ Phone ↗

Your Name *

Email Address *

Project Type / Service Requested

Message *

Category	Details
Languages & Frameworks	Flutter, Dart
State Management	GetX, Bloc
Firebase	Auth, Firestore, Analytics, Crashlytics
API's	REST API's
Database	Firebase database, SQLite

Flutter Developer|

Test Production Apps in Real-Time

Select Live Application

Enterprise UI Architecture

Featured Applications & Client Deliveries

Magic Paint – Kids Creative Art Studio & AR Learning App

WhozNxt – Enterprise Salon & Appointment Management SaaS App

Status Saver & 4K Media Downloader

The Speed Turtle App

MATA News Application

QR Scanner Application

Media Player Application

Other Products Developed

Bridge Builder: Master Architect – 2D Real-Time Physics Puzzle Game

Who's Nxt – Salon Appointment Booking & Retail E-Commerce App

Categorized Skills & Technology Radar

Core Mobile & Languages

State Management

Networking & Real-Time

Backend & Cloud Services

Local Storage & Caching

Architecture & Standards

Device Features & APIs

Tools, Store & CI/CD

Web, Admin & Deployment

Core Proficiency Indices

Services & Technical Solutions

Cross-Platform Mobile Apps

Pixel-Perfect UI Implementation

State Management Architecture

REST APIs & Real-Time Sync

Firebase Cloud Ecosystem

Local Storage & Offline First

Biometrics & Hardware Features

Payment Gateway Integration

Store Deployment (Play Store & iOS)

App Performance & 60fps Tuning

6-Step Engineering Lifecycle

Understand Requirements

UI / Figma to Flutter

Architecture & State Management

API, Socket & Backend Sync

Testing & Performance Optimization

Release & Store Deployment

MNC Engineering Delivery Blueprint

Domain & System Modeling

Pixel-Perfect Fluid UI/UX

Reactive State & Offline Data

CI/CD & Zero-Crash SRE

Calculate Your Project Timeline

Professional Experience

Junior Flutter Developer

Junior Flutter Developer

Junior Flutter Developer

Junior Flutter Developer

Education & Academic Background

Bachelor of Computer Application (BCA)

Engineering Insights & Collaboration

Let's Build Something Extraordinary