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 2 years
- C# 1 years
- Flutter 7 years
Other skills
- Firebase 7 years
- Git 7 years
- Figma 5 years
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
- Firebase
- Flutter
- Agile
- Android
- iOS
- 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
- Firebase
- AWS
- Figma
- Flutter
- Agile
- Android
- iOS
- 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
- Firebase
- Flutter
- Agile
- Android
- iOS
- 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
- ChatGPT API
- GraphQL
- Ionic
- Java
- JavaScript
- SCSS
- Xamarin
- Firebase
- Flutter
- Agile
- Android
- iOS
- 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
- C#
- JavaScript
- Firebase
- Flutter
- Agile
- Android
- iOS
- 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
- JavaScript
- 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
- Ionic 2
- Angular
- TypeScript
- 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 2
- Angular
- JavaScript
- TypeScript
- 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
- Ionic 2
- Angular
- TypeScript
- SCSS
- Android
- 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
- Angular
- TypeScript
- Android
- iOS
Education
BSc.Computer Engineering
Üsküdar University · 2020 - 2023
BSc.Computer Engineering
Prince Sultan University · 2013 - 2016
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