Why Hire Me
I take mobile products from requirements and architecture through API integration, secure authentication, Firebase setup, release management, performance optimization, and post-release stability.
- Flutter, React Native, Android, iOS
- State management: Riverpod, Redux
- Backend: Node.js, Firebase
- DevOps: CI/CD, Play Console, Apple developer account
Senior Mobile Engineering Stack
The stack, patterns, and production systems I use to ship maintainable mobile products.
Backend Development
Cloud Solutions (AWS, Firebase)
API Integration
DevOps & CI/CD
Cross-Platform Solutions
State Management
Code Optimization
Production Mobile Engineering
What I handle when a mobile app needs to move from implementation to dependable production delivery.
Flutter & Dart Development
Production-grade Flutter development for apps that need maintainable code, clean UI, and release discipline.
React Native Development
Cross-platform React Native delivery for teams shipping real mobile products on Android and iOS.
REST API Integration
Reliable networking layers, request lifecycle handling, and backend-driven workflows for production apps.
Secure Authentication & Token Management
Login, session handling, token refresh, persistence, and mobile-safe auth flows.
Firebase Auth, FCM, Crashlytics
Firebase integrations for authentication, push notifications, crash visibility, and faster issue response.
Play Store & App Store Release
Build signing, release packaging, store submission, rollout support, and production readiness checks.
CI/CD and Versioning
Version codes, build pipelines, release branches, and repeatable shipping processes for mobile teams.
Clean Architecture & State Management
Feature-first structure, modular code, predictable state, and maintainable app layers.
Performance Profiling with Flutter DevTools
Profiling jank, rebuild cost, render timing, memory behavior, and runtime bottlenecks.
Testing and Production Bug Fixing
Regression prevention, issue reproduction, debugging, and fixes for production-grade app stability.
Shipped Apps & Case Studies
Selected healthcare and commerce apps I have built, shipped, and supported in production.
JOTNO - Patient App
Patient-facing healthcare app with appointments, telemedicine, prescriptions, follow-ups, doctor communication, and API-driven workflows.
React Native
Flutter migration experience
REST API
Firebase
Key Responsibilities
- Appointments
- Telemedicine
- Prescriptions
- Follow-ups
- Doctor communication
- API workflows
Impact: Supported a real patient-facing healthcare workflow with production release and maintenance experience.
Jotno Expert / Telemedicine Platform
Doctor-side mobile application for patient communication, prescriptions, consultation workflows, and healthcare service management.
Flutter
REST API
Firebase
Secure auth
Production release support
Key Responsibilities
- Doctor communication
- Digital prescriptions
- Consultation workflows
- Healthcare service management
Impact: Shipped production telemedicine features supporting provider-side healthcare operations.
Confidence Reseller
Flutter app for sales agents and distributors with real-world users and production usage.
Flutter
Dart
REST API
State management
Play Store release support
Key Responsibilities
- Sales workflows
- Distributor features
- API integration
- Production fixes
- Release support
Impact: Delivered and supported a production commerce workflow used by agents and distributors.
Open Source Flutter & Dart Packages
Selected pub.dev packages I maintain to improve performance tooling, PDF workflows, and Dart developer experience.
flutter_performance_monitor_plus
In-app performance monitor overlay for FPS, jank, build/raster time, memory, CPU, rebuilds, and diagnostics.
pdf_render_maintained
Maintained Flutter PDF rendering package supporting multiple platforms.
json_error_clarity
Better JSON parsing error messages for Dart and Flutter projects.
json_annotation_tools
Helper tools for JSON annotation and parsing workflows.
How I Work
A short view of how I take mobile work from requirements to release and iteration.
Requirement Analysis
Clarify product goals, user flows, backend dependencies, and release constraints before coding.
Architecture Planning
Choose maintainable structure, state management, data layers, and delivery strategy.
UI Implementation
Build polished mobile interfaces that stay clean under real production requirements.
API Integration
Wire secure authentication, networking, Firebase services, and business workflows.
Testing
Validate critical flows, regressions, crashes, and release-readiness before shipping.
Release
Handle versioning, signing, store submission, and rollout support for production delivery.
Monitoring & Improvement
Use crash data and performance insights to fix issues and improve post-release quality.
Popular Tech Articles
Highlights from the blog: mobile, Flutter, React Native, and more.
ক্লিন আর্কিটেকচার: আপনার কোড কি আসলেই মেইনটেইনেবল? পার্ট ০১
সফটওয়্যার ইঞ্জিনিয়ারিংয়ে কোড কাজ করানো সহজ, কিন্তু সেটাকে মেইনটেইনেবল রাখা কঠিন। ক্লিন আর্কিটেকচার (Clean Architecture) সিরিজের প্রথম পর্বে…
এনটিটি (Entities): আপনার অ্যাপের হার্ট বা প্রাণকেন্দ্র | পার্ট ২
আপনার API-এর পরিবর্তন কি পুরো অ্যাপকে ঝুঁকিতে ফেলে দেয়? ক্লিন আর্কিটেকচার সিরিজের ২য় পর্বে শিখুন কীভাবে এনটিটি (Entity)…
রিপোজিটরি (Repository): আপনার লজিক ও ডাটার মধ্যে সেতুবন্ধন | পার্ট ০৪
আপনার বিজনেস লজিক কি সরাসরি ডাটাবেসের সাথে যুক্ত? ক্লিন আর্কিটেকচার সিরিজের ৪র্থ পর্বে শিখুন কেন ডোমেইন লেয়ারে ইন্টারফেস…
Clean Architecture Data Sources: পার্ট ০৫
আপনার এপিআই কলগুলো কি রিপোজিটরির ভেতরে জ্যাম হয়ে আছে? ক্লিন আর্কিটেকচার সিরিজের ৫ নম্বর পর্বে শিখুন কীভাবে Clean…