Senior Flutter Developer

JAVIYA RAJ.

Flutter developer building beautiful cross-platform apps.

Developing high-performance, scalable mobile applications using Flutter and Dart, leveraging Clean Architecture to ensure maintainability and efficiency since 2021.

Explore My Work Get in Touch

15+ Production Apps4+ Years ExperienceFreelance Available

</>

Available for freelance

Since 2021

Core Focus

High-performance Flutter apps with clean architecture, scalable delivery, and strong production UX.

Current Stack

FlutterDartClean ArchitectureSupabaseKotlin

Currently Building

In Progress

SplitEase

Offline-first rebuild with real-time conflict resolution and multi-currency support.

Professional Vision

Modern Architecture.

I believe in building software that is as beautiful under the hood as it is on the surface. My approach centers on modularity, testability, and deterministic state management.

Performance Optimization

Maximizing frame rates and minimizing resource overhead.

Clean Architecture

Separating concerns for maintainable and scalable codebases.

Cross-Platform Mastery

Seamlessly targets iOS, Android, and Web with zero compromise.

CI/CD Automation

Robust deployment pipelines for reliable app deliveries.

Verified Metrics

Impact by Numbers.

Tangible results from architecting high-scale cross-platform systems and modular engineering environments.

Production Grade

DEPLOYED APPS

Efficiency Lift

DEV VELOCITY

Stability Index

0.0%

CRASH-FREE

Industrial Tenure

YEARS EXP

Engineering Velocity Tier

Classified within the top 5% of production-grade architecture systems.

99%

RETENTION

4.9/5

SATISFACTION

99.9%

CRASH-FREE

Portfolio Showcase

Featured Impact.

Real-world applications engineered for performance, used by thousands of active users.

FinTech / Social ExpensePersonal

SPLITEASE

A comprehensive expense management engine facilitating group orchestration, peer invitations, and automated split synchronization. Features multi-tier role management (Owner, Admin, Member) with granular permission control.

FlutterSupabaseEdge FunctionsCustom AnimationsReal-time SyncComplex LogicClean ArchitectureDependency Injection (GetIt)

Engineering Impact

Architected a scalable group-logic system with multi-tier role permissions and instant synchronization.

Tracking

+50%

Scale

Real-time

Sports / CricketPersonal

POCKET SCORE

A real-time cricket scoring app built for gully cricket. Features live ball-by-ball scoring with animated FOUR/SIX celebrations, squad management, match setup with coin toss, wicket tracking, and player rankings — all offline-first.

FlutterDartHive (Local DB)Custom AnimationsOffline FirstClean ArchitectureState Management

Engineering Impact

Crafted a full cricket match lifecycle — from squad setup to live scoring to scorecard — entirely offline with smooth animated feedback.

Screens

16+

Offline

100%

Logistics / ConsumerEsparkbiz

DYSHEZ

Developed a scalable food delivery app with an intuitive UX and Supabase-powered backend. Features include real-time order handling and a custom Rewards system.

FlutterSupabaseReal-time SDKClean ArchitectureCI/CDSentryPosthogClarity (Heatmap)

Engineering Impact

Engineered a 30% increase in repeat orders via modular loyalty logic.

Scale

10K+

Rating

4.8

App Store Play Store

Sales / ProductivityEsparkbiz

SMACKDAB

A dedicated productivity engine that boosted team efficiency by 40%. Engineered with high-performance custom calendar modules and reactive data flows.

FlutterResponsive DesignModular UIComplex LogicReactive DartSales Intelligence

Engineering Impact

Transformed sales workflow into a mobile-first intelligent engine.

Efficiency

+40%

Lift

25%

Native Android / CRMEsparkbiz

GOALS.COM

High-scale CRM for goal tracking and incentive management. Reduced processing time by 25% through advanced async optimization and network caching.

KotlinMVVM ArchitectureRetrofitGlideFirebaseEnterprise SDK

Engineering Impact

Optimized network layer resulting in 30% faster data availability.

Speed

+25%

Growth

30%

Website

Technical Ecosystem

Hardware-Level Engineering.

A battle-tested set of technologies designed for performance, stability, and extreme scale.

Framework Core

Ecosystem

Expert

Flutter ecosystem, adaptive UI systems, testing, and modular design for product-grade apps.

FlutterDartModular DesignMaterial UI / Cupertino WidgetsResponsive UI / Adaptive DesignSolid principlesCustom AnimationUnit TestingWidget TestingIntegration Testing

Logic Engine

Enterprise Logic

Expert

State management and architectural patterns built for maintainable, reactive application flow.

BLoC / CubitGetXRiverpodState HooksReactive FlowsClean ArchitectureDependency Injection (GetIt)

Data Systems

Real-time Persistence

Proficient

Data storage, backend integration, and synchronization across live mobile environments.

Firebase / SupabaseHive / SQLiteREST / GraphQLPostgreSQL

Native Android

Android Framework

Proficient

Platform-level Android work for native modules, bridges, background processing, and Compose.

Android SDKKotlin CoreJetpack ComposePlatform BridgesJava LegacyBackground Services / WorkManager

AI Intelligence

Advanced Intelligence

Familiar

AI-assisted tooling and workflow support for faster implementation and decision-making.

ClaudeAntigravityCursorGeminiChatGPT

Automation & DevOps

Continuous Delivery

Proficient

Release automation, OTA delivery, build systems, and store deployment operations.

Shorebird (OTA)CodemagicFastlaneGitHub ActionsPlay Store / App Store DeploymentBuild Automation & Versioning

Engineering Lifecycle

Professional Path.

Production Flutter delivery, enterprise execution, and native Android foundations presented in a clearer timeline.

Career Focus

Flutter architecture, enterprise delivery, and native Android foundations.

15+ production applications95% on-time release rateNative Android foundation

Stage 01Sep 2023 - Present

Flutter Developer

Esparkbiz

Leading scalable cross-platform architecture for 15+ production applications with a focus on long-term maintainability

Optimized feature delivery pipelines contributing to a 95% on-time release rate across multiple enterprise projects

Implemented refined modular design patterns reducing development time for new features by 20%

Stage 02Jan 2023 - Sep 2023

Software Developer Intern

Esparkbiz

Contributed to core feature refactoring that improved codebase maintainability by 30% during high-growth phase

Followed strict Agile methodologies and Git-based workflows, participating in 20+ successful sprint releases

Boosted user engagement by 25% through performance profiling and UI-pixel-perfect optimizations

Stage 03Jun 2021 - Dec 2022

Independent Developer

Native Systems

Developed native Android modules and components using Kotlin/Java, establishing a strong platform-level foundation

Built multi-platform MVP modules for freelance clients, mastering the bridge between Flutter and Native environments

Researched and implemented modern UI patterns in Jetpack Compose to streamline cross-platform design consistency

Client Voices

What People Say.

Feedback from product managers, engineering leads, and clients I've shipped with.

“Raj delivered our Flutter app ahead of schedule with remarkable quality. His Clean Architecture approach made the codebase easy to scale and hand off to our internal team.”

Dhruv Mehta

Product Manager

“The modular design patterns Raj implemented cut our feature development time significantly. He has a strong eye for performance and production-grade reliability.”

Nikhil Patel

Engineering Lead

“Working with Raj on the CRM platform was a great experience. He proactively caught edge cases, kept releases on time, and the BLoC architecture he chose held up brilliantly.”

Ankit Shah

CTO

Recent Repositories

Digital Foundations.

Curated architectural modules and production-grade repositories designed for scalability.

39+

Repositories

8k+

Code Commits

Follow my ecosystem on GitHub

snap_mind

Dart

SnapMind is an AI-powered mobile app that acts as a personal second brain for professionals. Users capture anything — voice notes, text, images, links — and the AI automatically organizes, summarizes, and connects their ideas. The right insight surfaces at the right moment, so nothing important ever gets lost again.

Private

pocket_score

Dart

Pocket Score is a premium cricket scoring app featuring a sleek "Midnight Studio" design. It offers intuitive match setup, ball-by-ball scoring, and real-time state persistence. Users can manage players, track career stats, and view detailed historical scorecards. Designed for box cricket, it blends pro-grade logic with a high-end UI.

Private

secret_vault

Dart

A local-first, AES-256 encrypted secrets manager built with Flutter. Featuring a secure browser extension for auto-fill, biometric-ready architecture, and zero-knowledge security.

Private

split_ease

Dart

A premium bill-splitting and expense-tracking app built with Flutter and Supabase, featuring Clean Architecture and real-time synchronization.

Private

Transmission Link

Let's Build Something Extraordinary.

Whether you have an app idea, need technical consulting, or want to collaborate on open-source, I'm all ears.

Get in Touch.

Ready to architect your next high-performance mobile ecosystem. I typically respond within one business cycle.

Direct Communication

javiyaraj4@gmail.com

linkedin.com/in/javiyaraj

GitHub

github.com/JAVIYARAJ