CRAFTING DIGITAL EXPERIENCES
18%
Senior Flutter Developer · Code Encoders

I build mobile products that feel polished and ship reliably.

I’m Shahzaib Hassan, a Senior Flutter Developer with 4 years of experience delivering production iOS and Android apps. I build responsive Flutter interfaces and integrate payments, maps, authentication, KYC, subscriptions, Firebase, real-time systems, and app-store releases.

4YEARS
15+PROJECTS
10K+DOWNLOADS
About

Production-minded Flutter development

I translate Figma designs into maintainable mobile products and handle the integrations required to launch them for real users. My work covers UI engineering, API integration, secure authentication, subscriptions, maps, push notifications, KYC, performance optimization, and iOS and Android deployment.

Experience

From app delivery to senior product ownership

Senior Flutter Developer · Code Encoders

January 2024–present

Delivering multi-platform Flutter products with subscriptions, maps, social authentication, Web3Auth, KYC, REST APIs, Firebase, and store-compliant releases.

Flutter Developer · Rex Technologies

February 2022–January 2024

Built and maintained production mobile applications, resolved critical bugs, collaborated with designers, and helped launch an app that reached more than 10,000 downloads.

Selected projects

Mobile products built for real users

Paw Play Love

A community platform for pet owners using Flutter, Firebase, Socket.io, RevenueCat, notifications, and social features.

LawnOlu

A service-provider application featuring REST APIs, Firebase, Google Maps tracking, multi-tenant workflows, and Stripe.

BePay

Consumer and business Flutter applications integrating Web3Auth, blockchain workflows, KYC and KYB verification, and REST APIs.

Core skills

A practical mobile product toolkit

Flutter Dart Firebase REST APIs Clean Architecture Payments RevenueCat Google Maps Authentication KYC Push Notifications App Store Deployment Google Play Deployment
Contact

Have a product that needs to ship?

I’m open to conversations about senior Flutter roles, production mobile applications, and product-focused development work.

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