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 1 month

    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
  • Creative Director

    Swarm Group (E-commerce) - 9 months

    Played a role in leading creative strategy and execution across multiple digital platforms, driving brand consistency and user engagement:

    • Spearheaded the design and implementation of a high-converting E-commerce web application, seamlessly blending aesthetics with functionality to enhance user experience and drive sales.

    • Developed a versatile business web template, providing a scalable solution for rapid deployment of professional corporate websites.

    • Crafted an engaging UI for a web-based game, balancing visual appeal with intuitive gameplay mechanics to maximize user retention.

    • Designed a user-friendly cleaning services template, effectively communicating brand value propositions and streamlining the customer booking process.

    • Established and maintained brand consistency across all digital touchpoints, including websites and social media platforms, through constructive feedback and approval processes.

    • Elevated the company's visual storytelling capabilities by leading photography and video montage projects, enhancing marketing collateral and online presence.

    • Implemented agile workflow methodologies, significantly improving team collaboration and task execution efficiency.

    Key Achievements: • Increased e-commerce conversion rates by 35% through optimized UX/UI design. • Reduced website development time by 40% with the implementation of the scalable business web template. • Improved team productivity by 25% through streamlined workflow processes and clear creative direction.

    Technologies:

    • Technologies:
    • CSS CSS
    • JavaScript JavaScript
    • HTML HTML
  • Software Developer

    Ajeer App - 1 month

    Delivered high-impact results in a fast-paced, short-term engagement:

    • Rapidly implemented three critical features for a mobile application within an ambitious 10-day timeline, demonstrating exceptional efficiency and technical prowess.

    • Executed a comprehensive refactoring of the entire project's source code, significantly improving code quality, maintainability, and performance.

    • Collaborated effectively with the existing team to understand project requirements and deliver solutions that aligned with the application's overall architecture and business goals.

    • Implemented best practices in mobile development, including e.g., responsive design, offline functionality, or security measures. This enhanced the app's overall user experience and robustness.

    • Provided detailed documentation for new features and refactored code, ensuring smooth knowledge transfer and future maintainability.

    Technologies:

    • Technologies:
    • CSS CSS
    • Ionic 2 Ionic 2
    • Angular Angular
    • TypeScript TypeScript
    • SCSS SCSS
  • Software Developer

    Elaj Company - Hospitals and Health Care - 3 months

    Played a crucial role in the early stages of mobile app development for healthcare solutions:

    • Led requirements gathering process, attending client meetings and conducting in-depth analysis to define comprehensive software requirements for mobile applications in the healthcare sector.

    • Utilized advanced note-taking techniques to capture and organize complex client needs, ensuring no critical details were overlooked in the development process.

    • Translated client requirements into detailed technical specifications, bridging the gap between stakeholder expectations and development team capabilities.

    • Designed intuitive and user-friendly screen mockups and interactive prototypes using Adobe XD, effectively visualizing app functionality for client approval and developer guidance.

    • Collaborated closely with healthcare professionals to ensure the app design met industry-specific needs and compliance standards.

    • Implemented an iterative design process, incorporating client feedback to refine prototypes and align the final product with user expectations.

    • Facilitated clear communication between technical and non-technical stakeholders, ensuring all parties had a shared understanding of the project goals and requirements.

    Key Achievements: • Reduced project kickoff time by 30% through efficient requirements gathering and prototyping processes. • Received commendation from senior management for the quality and clarity of app prototypes, which helped secure client approval faster than previous projects.

    Technologies:

    • Technologies:
    • Ionic Ionic
    • Ionic 2 Ionic 2
    • Angular Angular
    • JavaScript JavaScript
    • TypeScript TypeScript
    • HTML HTML
  • Mobile Applications Developer

    Digitrack - 6 months

    Led development of cross-platform mobile applications, driving project success through technical expertise and collaborative problem-solving:

    • Spearheaded the development and testing of two major versions of a mobile application for both iOS and Android platforms, ensuring high-quality, consistent user experiences across devices.

    • Proposed and implemented an optimized database structure for the mobile application, significantly improving data management efficiency and app performance.

    • Served as a key technical resource, resolving both critical and non-critical issues for team members, thereby maintaining project momentum and fostering a collaborative work environment.

    • Successfully navigated the publication process for both App Store and Google Play, ensuring the application met all platform-specific requirements and guidelines.

    Key Achievements: • Reduced development time by 25% through effective problem-solving and optimized coding practices. • Improved app performance by 40% following database structure reorganization. • Achieved a 4.5-star initial rating on both App Store and Google Play within the first month of launch.

    Technologies:

    • Technologies:
    • CSS CSS
    • Ionic 2 Ionic 2
    • Angular Angular
    • TypeScript TypeScript
    • SCSS SCSS
    • Android Android
    • iOS iOS
  • Software Engineer

    Osbooha 180 Establishment - 1 year 6 months

    Led end-to-end development of a comprehensive digital solution, including a mobile application, progressive web app, and website:

    • Spearheaded the requirements engineering process, employing advanced elicitation techniques to gather, analyze, document, and manage application requirements.

    • Drove user experience innovation by proposing and implementing multiple UX enhancements, resulting in improved user engagement and satisfaction.

    • Developed in-depth functional and technical specifications, translating complex requirements into clear, actionable development guidelines.

    • Created high-fidelity UI prototypes, facilitating stakeholder buy-in and providing clear direction for the development team.

    • Implemented full-stack development of the mobile application, progressive web app, and website, ensuring cross-platform consistency and performance.

    • Conducted rigorous testing across all platforms, identifying and resolving issues to ensure a seamless user experience.

    • Successfully navigated the publication process for both Google Play and TestFlight, adhering to platform-specific guidelines and requirements.

    Key Achievements: • Reduced development cycle time by 30% through comprehensive requirements management and prototyping. • Increased user engagement by 45% following implementation of proposed UX improvements. • Achieved a 99% crash-free rate across all platforms due to thorough testing and optimization.

    Technologies:

    • Technologies:
    • Ionic 2 Ionic 2
    • Angular Angular
    • TypeScript TypeScript
    • Android Android
    • iOS iOS

Education

  • BSc.Computer Engineering

    Üsküdar University · 2020 - 2023

  • BSc.Computer Engineering

    Prince Sultan University · 2013 - 2016

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