I’m Hashim Saffarini, a Flutter Software Engineer with 2+ years of experience shipping production iOS and Android apps. I focus on clean architecture, responsive UI, and reliable releases—whether that’s building core app flows, integrating native features, or adding analytics, ads, and push notifications for real-world usage. In my work, I’ve modernized and maintained a Flutter media platform with 120K+ downloads, automated 18 store releases with Fastlane, and delivered integrations like Apple CarPlay and Android Auto. I also founded an AI education product (9K+ users) and built features ranging from Supabase-backed prediction workflows to RevenueCat subscriptions—always with testing and monitoring to keep crash-free performance strong.…

HASHIM OMAR AHMAD ALSAFFARINI

I’m Hashim Saffarini, a Flutter Software Engineer with 2+ years of experience shipping production iOS and Android apps. I focus on clean architecture, responsive UI, and reliable releases—whether that’s building core app flows, integrating native features, or adding analytics, ads, and push notifications for real-world usage. In my work, I’ve modernized and maintained a Flutter media platform with 120K+ downloads, automated 18 store releases with Fastlane, and delivered integrations like Apple CarPlay and Android Auto. I also founded an AI education product (9K+ users) and built features ranging from Supabase-backed prediction workflows to RevenueCat subscriptions—always with testing and monitoring to keep crash-free performance strong.…

Available to hire

I’m Hashim Saffarini, a Flutter Software Engineer with 2+ years of experience shipping production iOS and Android apps. I focus on clean architecture, responsive UI, and reliable releases—whether that’s building core app flows, integrating native features, or adding analytics, ads, and push notifications for real-world usage.

In my work, I’ve modernized and maintained a Flutter media platform with 120K+ downloads, automated 18 store releases with Fastlane, and delivered integrations like Apple CarPlay and Android Auto. I also founded an AI education product (9K+ users) and built features ranging from Supabase-backed prediction workflows to RevenueCat subscriptions—always with testing and monitoring to keep crash-free performance strong.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

Language

Javanese
Advanced

Work Experience

Flutter Software Engineer at Ashams
April 1, 2026 - September 1, 2026
Modernized and maintained a production Flutter app for iOS/Android (phones and tablets), serving 120K+ downloads. Shipped 18 production releases in 5 months using Fastlane with zero App Store/Google Play rejections. Implemented Apple CarPlay and Android Auto integrations (background audio, media browsing, playback controls, artwork handling) and supported WebView-based article experiences. Worked across a multi-package monorepo (Melos) spanning the Ashams app and Flutter-based Ashams Games ecosystem. Built a Supabase-backed World Cup prediction feature used by 2,000+ users, including fixture sync, prediction workflows, scoring, and leaderboards. Integrated FCM, deep linking, Firebase Analytics, Google Ad Manager, and AdMob; added unit/widget tests and monitored stability via Crashlytics (99.87% crash-free users, 99.93% crash-free sessions).
Flutter Software Engineer & Founder at Tawjihi AI
February 1, 2026 - May 1, 2026
Launched an AI-powered educational mobile product for iOS/Android, reaching 9K+ users. Owned Flutter development end-to-end: architecture, BLoC/Cubit, responsive UI, REST APIs, authentication, and RevenueCat subscriptions/premium access. Integrated Google Sign-In and Sign in with Apple, Firebase Cloud Messaging, Firebase Analytics, and Crashlytics, coordinating mobile development, UI/UX, and backend delivery for production releases.
Flutter Mobile Developer at Noqta
December 1, 2024 - June 1, 2025
Led Flutter development for PalCart, a shopping app connecting customers with local stores. Implemented role-based experiences for Customer and Merchant/Admin users with distinct interfaces, permissions, and workflows. Built REST-integrated product discovery, filtering, nested pagination, and store management using Clean Architecture and BLoC/Cubit. Integrated Firebase, push notifications, Google Maps, Jira, and used Shorebird for patch delivery.
Flutter Mobile Development Intern at Gaza Sky Geeks
January 1, 2024 - July 1, 2024
Developed Flutter apps in Dart with responsive and custom UI. Built REST API integrations and worked with Firebase services as part of internship projects with remote collaboration.
Programming Instructor at Arab Center for Information Technology Tulkarm
September 1, 2022 - October 1, 2024
Taught 700+ students Java, C++, OOP, Data Structures and Algorithms, Flutter, Dart, and general problem-solving skills as a part-time instructor.

Education

B.Sc. in Computer Systems Engineering at Palestine Technical University – Kadoorie
September 1, 2022 - March 1, 2027

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Gaming, Retail, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

Hire a Software Engineer

We have the best software engineer experts on Twine. Hire a software engineer today.