Omar H.

Mobile developer

Omar is a Senior Mobile Software Engineer with 11 years of experience, specializing in Flutter for cross-platform mobile development. His expertise spans industries such as fintech and e-commerce, where he has consistently delivered high-impact projects.

A notable accomplishment in his career is leading the development of Blackpin, a secure communication app. In this role, Omar designed the app's architecture, mentored a development team, and integrated advanced technologies to ensure top-tier performance. He is recognized for streamlining development processes, reducing time to market, and maintaining high-quality standards.

Omar’s strong skills in both mobile and web development enable him to create versatile, user-friendly applications, with a focus on innovation and efficiency.

Main expertise
  • Java
    Java 2 years
  • C#
    C# 1 years
  • Flutter
    Flutter 7 years
Other skills
  • Firebase
    Firebase 7 years
  • Git
    Git 7 years
  • Figma
    Figma 5 years
Omar
Omar H.

United Arab Emirates

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Selected experience

Employment

  • Senior Flutter Developer

    Blackpin GmbH (via Proxify, Germany - remote) - 2 years 5 months

    Led the development of a cutting-edge, secure end-to-end chatting application across multiple platforms, driving innovation in secure communication solutions:

    • Architected and implemented a robust, cross-platform chatting application using Flutter, ensuring seamless user experience across Android, iOS, Windows, and macOS. Worked on Flutter for mobile, web and desktop.

    • Spearheaded research and analysis of end-to-end encryption technologies, implementing state-of-the-art security protocols to safeguard user communications.

    • Established and maintained high code quality standards through rigorous code reviews, fostering a culture of excellence within the development team.

    • Continuously evolved the application architecture to incorporate the latest Flutter and Dart standards, ensuring optimal performance and maintainability.

    Key Achievements: • Reduced cross-platform development time by 40% through efficient use of Flutter's capabilities and custom-built shared libraries. • Improved app security, achieving a 99% encryption success rate for end-to-end communications. • Increased user retention by 35% following the implementation of innovative chat features and performance optimizations.

    Technical Contributions: • Developed a custom state management solution tailored for real-time messaging, improving message delivery speed by 50%. • Implemented an efficient local storage system for offline message caching, enhancing user experience in low-connectivity scenarios. • Created a modular architecture that allowed for easy integration of new features and platforms, reducing time-to-market for updates by 30%.

    Technologies:

    • Technologies:
    • JavaScript JavaScript
    • Firebase Firebase
    • Flutter Flutter
    • Agile Agile
    • Android Android
    • iOS iOS
    • Dart Dart
  • Mobile App Developer

    Lean Scale - 5 months

    Led a high-performing mobile development team, driving innovation and excellence in Flutter-based applications:

    • Spearheaded the development and maintenance of a cutting-edge logistics mobile application for restaurants and brands, leveraging Flutter to ensure cross-platform compatibility and optimal performance.

    • Established and implemented robust architectural frameworks, conducting regular architectural reviews to ensure scalability, maintainability, and alignment with best practices.

    • Instituted a rigorous code review process, fostering a culture of quality and continuous improvement among team members.

    • Optimized CI/CD pipelines, reducing deployment time by 40% and enhancing overall development efficiency.

    • Championed the adoption and adherence to Dart and Flutter best practices, significantly improving code quality and consistency across projects.

    • Facilitated regular technical discussions and workshops, promoting knowledge sharing and skill development within the team.

    • Delivered multiple projects in E-commerce and AI.

    • Mentored junior developers, resulting in a 25% improvement in team productivity and a stronger, more cohesive development unit.

    • Collaborated closely with product managers and stakeholders to align technical solutions with business objectives, ensuring the delivery of high-value features to end-users.

    Technologies:

    • Technologies:
    • AWS Amplify AWS Amplify
    • Firebase Firebase
    • AWS AWS
    • Figma Figma
    • Flutter Flutter
    • Agile Agile
    • Android Android
    • iOS iOS
    • Dart Dart
  • Technical Lead Mobile App Developer

    ZARCONY - 1 year 4 months

    Led and mentored a cross-functional team in the development of innovative Flutter-based mobile applications, driving technical excellence and business value:

    • Spearheaded the development of multiple Flutter projects, establishing technical direction and best practices for the mobile development team.

    • Architected robust, scalable application structures, ensuring long-term maintainability and performance optimization across all projects.

    • Implemented a comprehensive quality assurance strategy, including unit testing, integration testing, and UI testing, resulting in a 40% reduction in post-release bugs.

    • Fostered a collaborative development environment through regular brainstorming sessions, code reviews, and pair programming initiatives, elevating overall team performance.

    • Optimized CI/CD processes, enabling more frequent, reliable releases.

    • Bridged the gap between design and development teams, actively participating in feature definition and UI/UX design processes to ensure technical feasibility.

    • Cultivated an autonomous, cross-functional team culture, promoting creativity and knowledge sharing, resulting in a 30% increase in team productivity.

    • Liaised effectively with business and product stakeholders, translating business requirements into technical specifications and ensuring alignment with company goals.

    Key Achievements: • Led the successful delivery of 5 major Flutter projects, all launched on time and within budget. • Reduced development cycle time by 35% through the implementation of efficient workflows and tooling.

    Technical Leadership: • Mentored junior developers, resulting in 3 team members being promoted to senior roles. • Introduced and standardized the use of advanced Flutter patterns and state management solutions across the team. • Established a technical decision-making framework, streamlining the process of evaluating and adopting new technologies.

    Technologies:

    • Technologies:
    • SCSS SCSS
    • Firebase Firebase
    • Flutter Flutter
    • Agile Agile
    • Android Android
    • iOS iOS
    • Dart Dart
  • Senior Mobile Software Engineer

    Twenty Two Labs - 5 years 3 months

    Collaborated with cross-functional teams to develop and deliver high-performance, scalable Flutter applications across multiple platforms (iOS, Android, web):

    • Led technical direction and architecture for Flutter projects, ensuring adherence to best practices and driving innovation in mobile solutions.

    • Provided expert consultation to clients and internal teams, guiding technical decisions throughout the project lifecycle.

    • Conducted comprehensive code reviews and optimizations, improving app performance and reducing bug rates.

    • Mentored and upskilled Flutter developers, enhancing team capabilities and code quality.

    • Resolved complex technical challenges, ensuring seamless integration with backend services and timely feature delivery.

    Key Contributions:

    • Revenue Impact: Played a key role in Flutter projects that drove +$4.5M in subscription ARR and +$100K in purchase MRR for clients.

    • Cost Efficiency: Implemented optimized Flutter development processes, contributing to $200K annual savings in development resources and 50% reduction in development time.

    • CI/CD Enhancement: Collaborated on revamping deployment pipelines, achieving 60% improvement in efficiency and reliability.

    • Startup Support: Provided technical expertise to help startups rapidly develop and launch Flutter-based MVPs.

    • Cross-Platform Excellence: Ensured seamless experiences across iOS, Android, and web platforms using Flutter and Dart.

    • Advanced Feature Integration: Successfully incorporated AI-driven features and GraphQL APIs, enhancing app functionality and user experience.

    Technologies:

    • Technologies:
    • CSS CSS
    • ChatGPT API ChatGPT API
    • GraphQL GraphQL
    • Ionic Ionic
    • Java Java
    • JavaScript JavaScript
    • SCSS SCSS
    • Xamarin Xamarin
    • Firebase Firebase
    • Flutter Flutter
    • Agile Agile
    • Android Android
    • iOS iOS
    • Dart Dart
  • Mobile Application Developer

    ZARCONY - 1 year 3 months

    Led the development of multiple high-impact Flutter applications, specializing in government services and city-focused solutions:

    • Architected and implemented a comprehensive governmental housing service mobile application using Flutter, streamlining access to public housing resources for citizens.

    • Spearheaded the development of a versatile city guide Flutter application, scalable for multiple cities, enhancing tourist and resident experiences.

    • Designed and delivered two Flutter-based applications for HR and eCommerce services, optimizing business processes and user engagement.

    • Engineered a governmental Flutter application for endowments, improving transparency and accessibility of public trusts.

    • Conducted a workshop on progressive web applications, sharing expertise and fostering knowledge transfer within the development community.

    • Implemented Agile and Kanban methodologies, significantly improving project delivery timelines and team collaboration.

    Key Achievements: • Reduced development time by 40% across projects through efficient use of Flutter's cross-platform capabilities. • Increased user engagement by 50% in the city guide app through intuitive design and feature-rich implementation. • Achieved a 99.9% uptime for governmental applications, ensuring reliable access to critical public services.

    Technologies:

    • Technologies:
    • Tailwind Tailwind
    • C# C#
    • JavaScript JavaScript
    • Firebase Firebase
    • Flutter Flutter
    • Agile Agile
    • Android Android
    • iOS iOS
    • Dart Dart

Education

  • BSc.Computer Engineering

    Üsküdar University · 2020 - 2023

  • BSc.Computer Engineering

    Prince Sultan University · 2013 - 2016

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