Bashar A.

Bashar A.

Mobile developer

Top performer 9.5/10
United Arab Emirates
Trusted member since 2023
5 years of experience

He has successfully collaborated with Proxify clients, consistently delivering high-quality results and receiving positive feedback for his technical skills and dedication to excellence. Bashar's passion for innovation and continuous improvement motivates him to excel in every project he undertakes.

Main expertise

AndroidAndroid5 years
DartDart5 years
FlutterFlutter5 years
JavaJava4 years
7+

Experience5

Senior Flutter Engineer

Apollo Dynamics LTD (via Proxify)
Information Technology (IT) and Services
Mar 2026 - Oct 2026 · 7m
  • Led migration of a live betting app to a modular Flutter monorepo (Clean Architecture, BLoC, Melos), delivering 10+ reusable packages and a new application shell with zero disruption to production users.
  • Rebuilt core user flows (registration, login/SSO, biometric authentication, account activation, bank verification, deposits, cashback) with full feature parity and comprehensive unit test coverage.
  • Reduced ANRs, crashes, cold-start time, and UI jank on Android and iOS by conducting 3 performance audits and shipping 40+ targeted fixes.
  • Strengthened security and regulatory compliance (GDPR/LGPD) by implementing SSL pinning, geolocation-based fraud checks, reCAPTCHA, WebView hardening, and consent-gated third-party SDKs.
  • Integrated crash reporting, logging, analytics, and feature-flag tooling (Luciq, Coralogix, Firebase, Mixpanel, GrowthBook) to improve observability and enable data-driven releases.
  • Built and maintained CI/CD release pipelines (GitHub Actions, Firebase App Distribution, TestFlight).
FlutterFlutter
AndroidAndroid
iOSiOS
DartDart
GitGit
4+

Flutter Developer

Zendra Health (via Proxify)
Healthcare
Nov 2024 - Oct 2025 · 11m
  • Maintained and advanced Zendra Health’s healthcare mobile ecosystem using Flutter and native Android (Kotlin/Java) and iOS (Swift), ensuring high performance and platform-specific reliability.
  • Integrated legacy native modules into the Flutter codebase using platform channels and refactored outdated components to establish a unified and efficient architecture.
  • Engineered and maintained backend services using Spring Boot, optimizing API performance, strengthening security layers, and ensuring seamless integration with mobile applications.
  • Led the development and deployment of the Zults application (myrezults.com), delivering a scalable, production-ready healthcare solution adopted in real clinical workflows.
MySQLMySQL
PostgreSQLPostgreSQL
AWSAWS
FlutterFlutter
JavaJava
10+
+Onex

Senior mobile developer

+Onex
Investment and Wealth Management
Feb 2023 - Nov 2024 · 1y 9m
  • Collaborated with cross-functional teams, including designers and product managers, to ensure timely delivery of features and bug fixes.
  • Improved app stability and reduced crash rates by identifying and fixing critical bugs and issues.
MySQLMySQL
FlutterFlutter
JavaJava
AndroidAndroid
KotlinKotlin
4+
Klasha

Senior mobile developer

Klasha
Financial Technology (FinTech)
Nov 2022 - Feb 2023 · 3m
  • Collaborated with the team to identify and resolve security issues within the app.
  • Improved performance and functionality by implementing new features and optimizations.
  • Worked with the team to integrate third-party payment gateways, ensuring seamless payment processing for users.
  • Actively participated in code reviews and testing, ensuring the quality and stability of the app.
FlutterFlutter
DartDart
MobileMobile
Fita

Mobile developer

Fita
Fitness and Wellness
Sep 2021 - Feb 2023 · 1y 5m
  • Collaborated with the product team to implement new features and improve user experience on the Fita mobile app, resulting in a 20% increase in user engagement and retention.
  • Optimized the app's performance by refactoring the codebase and implementing best practices, resulting in a 30% decrease in app crashes and faster load times.
  • Integrated various third-party APIs, including payment gateways and fitness tracking services, to enhance the app's functionality and user experience.
  • Conducted code reviews and mentored junior developers, improving the overall quality of the codebase and team performance.
  • Proactively identified and resolved security issues on the app, implementing robust security measures to ensure user data privacy and prevent unauthorized access.
FlutterFlutter
JavaJava
AndroidAndroid
KotlinKotlin
DartDart
2+

Engineering excellence

All Mobile developers who have applied to Proxify are scored from 0 to 300 on engineering excellence, one of the five parameters we evaluate. This score reflects engineering excellence only, based on interviews, take-home assignments, live coding sessions, and/or on-the-job performance reviews. The curve shows how all evaluated Mobile developers are distributed across that range, where our acceptance threshold for this parameter sits, and where Bashar stands.

050100150200250300Engineering excellence scoreShare of engineersmedianmeanProxifyacceptancethreshold
Bashar
Score 184 · Top 13% of engineers

Education

UU
Uskudar University
Engineering management2022 - 2024
NEU
Near East University (Cyprus)
Computer Engineering2016 - 2019

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