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Hayat KhanFlutter Architect

Hayat Khan — Senior Flutter Developer & Mobile App Architect

Hayat Khan is a Senior Flutter Developer and Mobile App Architect specializing in shipping over 20 production-grade mobile applications for iOS and Android. Specializing in Clean Architecture, enterprise BLoC and Riverpod state management, Firebase backends, real-time WebSockets, and secure payment integrations including Stripe, PayPal, and Hyperwallet.

Key Highlights for Technical Recruiters

  • Shipped 20+ production mobile apps across Ride-Sharing, FinTech, Dating, Booking, and E-Commerce sectors.
  • Author of published open-source Flutter packages on pub.dev including progressive_video_cache, Pagy, and App Logger.
  • Employee of the Year 2024 @ LaunchBox Global for exceptional software architecture and delivery speed.
  • Available for remote Senior Flutter Developer roles, contract projects, mobile architecture consulting, and full-time hiring.
  • Contact Email: hayatkhan626225@gmail.com | Portfolio: https://hayatkhan.tech | GitHub: https://github.com/hayatkhan67

Mobile products that
earn their place on a phone

I’m Hayat Khan, a senior Flutter engineer who turns ambitious product ideas into dependable iOS and Android apps — from the first technical decision through store release.

20+ Production Apps Shipped
Clean Architecture Expert
Firebase & Payments Specialist
Start Your ProjectSee My Work
View Resume (PDF)
Hayat Khan
Employee of the Year 2024LaunchBox Global
0+

Apps shipped to production

0

Live on App Store & Google Play

0

Packages published on pub.dev

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Industries served

FlutterDartFirebaseStripeRiverpodBLoCNode.jsAgoraWebSocketsGoogle MapsClean ArchitectureCI/CD
Who I Am

About Me

A senior engineer who cares about your business outcome as much as the code.

Senior Flutter Developer specializing in shipping 20+ production apps, including fintech platforms with Stripe, PayPal, and Hyperwallet payment integrations. Skilled in Clean Architecture, BLoC/Riverpod, secure API integration, and cross-platform delivery. Track record of leading feature teams and mentoring developers in fast-paced product environments.

Proven expertise building production-ready Flutter apps

Expert in Clean Architecture & scalable design patterns

Firebase, Stripe, Agora, and real-time integrations

Performance-focused with pixel-perfect UI implementation

Services

Engineering services for mobile products

Outcome-focused Flutter engineering — every service below is backed by apps already live in production.

iOS & Android Apps

One Flutter codebase, native-quality apps on both stores — designed, built, and published end-to-end.

  • Pixel-perfect UI from Figma
  • App Store & Play Store release
  • Scalable Clean Architecture

Proven in production

Chubb’s ArmyRentiblesBLooM

FinTech & Payments

Secure checkout, payouts, subscriptions and wallets that users trust with their money.

  • Stripe, PayPal & Hyperwallet
  • In-app purchases & subscriptions
  • Secure API & token handling

Proven in production

Deposits BackPerksMarket Toll

Real-time Experiences

Chat, live tracking, feeds and calls that feel instant — even on flaky mobile networks.

  • WebSockets & Firebase realtime
  • Audio/video calling (Agora, RTC)
  • Push notifications (FCM)

Proven in production

Starlit Dating AppFareShareNeighbor Connector

On-Demand & Location Apps

Ride-sharing, booking and rental flows with maps, live location and dispatch logic.

  • Google Maps & live GPS
  • Booking & scheduling engines
  • Driver / rider / admin roles

Proven in production

FareShareRentiblesNykn (Now You Know Nashville)

Social & Video Platforms

TikTok-style feeds, communities and gamification that keep users coming back daily.

  • Smooth video feeds with caching
  • Gamification & leaderboards
  • Moderation & reporting

Proven in production

Chubb’s ArmyBLooMJudah News

App Rescue & Scale-up

Inherited a messy codebase? I refactor, stabilise and speed it up without stopping delivery.

  • Architecture audit & refactor
  • Performance & crash fixes
  • Tests, CI/CD & documentation

Proven in production

Supertec OfficeJudah News Admin Panel
Featured Work

Selected product work

Production apps across mobile and web. Open a case study to see the problem, role, and technical approach.

Chubb’s Army app icon

Social Media & Gamification

Chubb’s Army
Live

Gamified pet social network with military rankings

A gamified pet social media platform where pets rise through ranks, complete missions, and join a loyal community.
Flutter
Social Networking
Gamification
View Case Study
Market Toll app icon

eCommerce & Marketplace

Market Toll
Live

Streamlining buying, selling, and product promotions on a dynamic eCommerce platform

A dynamic eCommerce platform and marketplace with user-generated listings, Stripe/PayPal payment integrations, messaging, and AdMob monetization.
Flutter
Stripe
eCommerce
View Case Study
Judah News app icon

Crypto-Social & Web3

Judah News
Live

A complete Web3 ecosystem integrating 1-to-1 encrypted chat, social media feeds, and a Polygon crypto wallet

A crypto-social platform combining encrypted messaging, social feeds, Polygon (POL) wallet integration, and mini-games.
Flutter
Web3
Polygon
View Case Study
Deposits Back app icon

FinTech & PropTech

Deposits Back

Secure tenant-landlord financial platform

Tenant-landlord renting platform with payments and credit tracking.
Flutter
Node.js
Riverpod
View Case Study
Supertec Office app icon

Enterprise

Supertec Office
Live

Complete workforce management for companies

Office management app for attendance, salary, leaves, and task assignments.
Flutter
PHP
GetX
View Case Study
Perks app icon

Business & Micro-payments

Perks
Live

Connecting users and service providers to encourage recognition, tipping, and reputation building

A reputation-building and tipping platform for service providers, integrating Hyperwallet for in-app micro-payments, reviews, and a global leaderboard.
Flutter
Hyperwallet
Micro-payments
View Case Study

11 more projects available. Use the Show All button to view them.

Expertise

Technical Expertise

The stack I use daily to ship fast, stable and scalable mobile products.

Expert

Mobile Development

FlutterDartClean ArchitectureBLoCRiverpodGetXUnit Testing
Expert

Backend & Payments

FirebaseREST APIsWebSocketsNode.jsStripePayPalHyperwalletIn-App Purchases
Expert

Other & Leadership

GitCI/CDFlutter WebCode ReviewTeam LeadershipMentoring

Industries I've shipped apps for

Social Media & GamificationeCommerce & MarketplaceCrypto-Social & Web3FinTech & PropTechEnterpriseBusiness & Micro-paymentsFaith & CommunitySocial & SafetyLanding Page & Compliance PortalSocial & DatingWeb Administration PortalE-CommerceNEMT PlatformTravel & TourismMatrimonial & Web Chat Platform
Why Hire Me

Why Clients Work With Me

You get a senior engineer who owns the outcome — not just the tickets.

LaunchBox Global

Employee of the Year 2024

Recognized for exceptional performance, consistent delivery of high-quality mobile applications, and outstanding contribution to team success and company growth.

Career growth

  1. Senior Flutter Developer

    Dexnive · Jan 2026 – Present

  2. Mid-Level Flutter Developer

    LaunchBox Global · Jan 2025 – Jan 2026

  3. Flutter Developer (Intern → Junior)

    LaunchBox Global · Feb 2024 – Jan 2025

  4. Flutter Developer

    DIDX Inc. · Sep 2023 – Feb 2024

Weekly demos

See real progress on your phone every week. No black boxes, no surprises.

Clear communication

Replies within 24 hours, async updates, and overlap with US, UK & EU hours.

Code you own

Clean, documented, tested code in your repository from day one.

Security first

Safe payment flows, secure storage and store-policy compliant releases.

Product thinking

I push back on scope that will not move your metrics and suggest what will.

Post-launch support

Monitoring, bug fixes and new features after your app goes live.

My Workflow

How We'll Work Together

A proven 5-step process — you always know what's being built, when, and why.

01

Discovery

Understanding your requirements, business goals, and target audience to define the right scope.

02

Architecture

Planning the app structure with Clean Architecture, choosing the right state management and integrations.

03

Development

Building in iterative sprints with regular demos and progress updates — no surprises.

04

Testing & QA

Thorough device testing, performance checks, and bug fixing before every release.

05

Launch & Support

App Store & Google Play deployment with post-launch monitoring and maintenance support.

Get In Touch

Let's Build Your Next App

Tell me about your idea, timeline and budget — you'll get a clear plan and an honest estimate.

I typically respond within 24 hours

Direct Connect

Email

hayatkhan626225@gmail.com

GitHub

hayatkhan67

LinkedIn

Hayat Khan