Senior Flutter Developer in Pakistan

Rehan SurahyoFlutter Developer& App Engineer.

Core Expertise:
FlutterPythonNext.jsAI Integration
Rehan Surahyo - Senior Flutter App Engineer

Productized Services

Fixed-scope, fixed-price solutions designed for speed and reliability.

Flutter MVP Sprint

Launch your iOS and Android app in record time. Focus on core features that matter.

Cross-platform App
Firebase Setup
Basic Auth
Store Submission

Timeline

4 Weeks

Pricing

Starts at $100

Web Application

React-based internal tools to manage your business data with ease and security.

Responsive Dashboard
Role-based Access
API Integration
Data Export

Timeline

1-4 Weeks

Pricing

Starts at $100

Desktop App

Robust Windows software for retail and inventory management using .NET & SQL Server.

Offline Support
Thermal Printing
Inventory Sync
Reports

Timeline

1-4 Weeks

Pricing

Starts at $50

Choose Your Build Path

Tailored technical solutions for your specific business goals.

Cross-Platform App

Scale your business with a single codebase using Flutter. High-performance, native-feel, and fast time-to-market.

Estimated Timeline

2-8 Weeks

Core Stack

FlutterDartFirebaseState Management

Key Features

  • Native API integration
  • Real-time sync
  • Push notifications
  • App Store submission

Starting Investment

$100-5000

My Design-to-Code Process

A streamlined workflow that guarantees quality and on-time delivery.

Discover

We dive deep into your goals, technical requirements, and target audience to define a rock-solid scope.

Build

Iterative development with regular updates. I focus on clean code, performance, and premium UI/UX.

Launch

Seamless deployment to app stores or web servers. I ensure everything is stable, secure, and ready for users.

Recent Work

Solving complex business problems with clean, scalable, and user-centric software.

See All Case Studies
Cover image for Ki-Sun Mobile App project
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FlutterFirebaseAIVerification

Ki-Sun Mobile App

"Smart Tanning & Skin Analysis with 18+ Age Verification & AI-driven insights."

Cover image for Aios Web application project
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ReactFirebaseMongoDB

Aios Web application

"Modern SaaS-based Studio Control Dashboard for managing business operations."

Cover image for Ecommerce Application project
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FlutterFirebaseStripe

Ecommerce Application

"A complete E-Commerce mobile application with advanced filtering and secure checkout."

Cover image for LeadFinder CRM project
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ReactNext.jsNode.jsScrapingMongoDB

LeadFinder CRM

"Automated B2B Lead Generation & CRM Dashboard for extracting companies, emails, and managing sales pipelines."

Cover image for XTS VPN Client project
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FlutterWireGuardSecurityDesktop

XTS VPN Client

"Enterprise-grade VPN tunnel application with OpenVPN/WireGuard protocols, live diagnostics, and zero-leak security."

Cover image for ExchangeRateWeb Auto Trader project
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ReactNext.jsWebSocketFinTech

ExchangeRateWeb Auto Trader

"Automated trading and currency exchange engine with live financial feeds, charts, and secure digital wallets."

Vibe Player Mobile Application Interface
Live Screenshot
Flagship Android Application

Vibe Player
Local Audio Case Study.

"A lightweight, ad-free offline music player built for Android using Flutter. Engineered to scan, cache, and play high-resolution audio files directly from local storage with near-zero latency."

5,000+

Google Play Downloads

4.9 / 5

User Satisfaction Rating

100%

Offline & Ad-Free

High-Performance Local Cache: Programmed recursive storage queries to parse thousands of local audio tracks under 2.5 seconds using Hive and custom platform bridges.

Advanced Audio Service Bridge: Integrated background service structures allowing seamless playback, lockscreen controls, and notification integration even when the app is completely terminated.

Strict Privacy Protocol: Architecture engineered to be 100% telemetry-free and offline-first, requiring no user accounts or network permissions.

High-Ticket B2B Lead Magnet

Free 1-Hour Code &
Architecture Audit.

Thinking of scaling your application but worried about legacy bottlenecks? I will audit your existing codebase (Flutter, React, or .NET) for security vulnerabilities, performance lags, and structural architecture flaws. Completely free of charge, with zero sales pitch.

Performance & Scalability Audit

Identify rendering bottlenecks, state leakage, and API load lag that degrade user experience.

Security & Clean Architecture

Check dependency health, check for hardcoded API keys, and evaluate Clean Architecture separation.

Strategic Technical Roadmap

Receive a clear, actionable summary report highlighting quick wins and high-impact structural refactors.

3 Slots Remaining This Month

Book Your Free Audit

Pick a time that works for you. We will hop on a screen-share, look at your codebase together, and identify key performance wins.

No credit card or NDA sign-up required
1-on-1 technical screenshare consultation
Actionable PDF Summary Report provided after
Social Proof & Trust

Client Outcomes

Word from some of the people I've built software solutions for.

"Rehan's attention to detail is unmatched. He delivered a complex POS system for my business that works flawlessly and looks incredibly modern. Highly recommended!"

Digital Studio Owner

United States

Project

POS & Inventory Overhaul

"Exceeded expectations on our Flutter app. The performance is silky smooth and communication was perfect throughout the project. True professional."

Tech Startup Founder

Pakistan

Project

Fintech Mobile MVP

VERIFIED

LinkedIn Testimonials

All my reviews are backed by real, clickable client profiles on LinkedIn. Feel free to inspect my references and check their endorsements.