Crafting Premium
Mobile Experiences.
Hi, I'm Hamza Hmem — Senior Mobile Engineer
Senior Mobile Engineer specializing in high-performance mobile applications. Enhanced app stability by implementing rigorous testing protocols, reducing release times by 30% through streamlined CI/CD processes. Mentored junior engineers, fostering a culture of excellence and collaboration. Proven expertise in React Native, performance monitoring, and user engagement strategies, driving significant improvements in app functionality.

Professional Experience
Senior Mobile Team Lead
Oversaw mobile team to develop MISPay application from inception. Managed deployment to App and Play Stores, ensuring seamless launch. Designed native-like UI components with smooth animations while collaborating with QA for unit, integration, and E2E tests. Integrated Native SDK, Expo Modules, and various services as needed.
- Spearheaded deployment processes to enhance user reach.
- Enhanced UI components, achieving a more engaging user experience.
- Collaborated with QA to ensure robust testing and feature integration.
- Wrote clean, modular code to boost maintainability and scalability.
Senior Mobile Engineer
Oversee code quality and enforce best practices. Mentor team members and conduct performance evaluations. Act as primary liaison between mobile team and cross-functional departments. Develop unit and E2E tests to ensure app reliability. Implement CI/CD pipelines using GitHub Actions and CircleCI for Android and iOS beta releases. Monitor app performance and identify bottlenecks using React Native debugger and Flipper.
- Mentored junior engineers, enhancing team performance.
- Improved app stability through rigorous testing protocols.
- Streamlined CI/CD processes, reducing release times by 30%.
- Collaborated effectively with product management and design teams.
Mobile Developer (part time)
Designed and built the Wiqaya project architecture. Collaborated with stakeholders to analyse requirements and ensure alignment. Managed deployment to App Store and Google Play Store using EAS. Monitored performance, implemented updates, and added new features as needed.
- Spearheaded application architecture design.
- Coordinated stakeholder requirements gathering.
- Oversaw successful app deployment processes.
- Enhanced app functionality through regular updates.
Mid-Senior React Native Developer
Oversee deployment to App/Play Stores. Collaborate with marketers to integrate Universal/App Links with AppsFlyer, enhancing user engagement. Conduct thorough performance monitoring to address excessive rendering and memory leaks.
- Spearheaded deployment process, ensuring timely releases.
- Integrated Universal/App Links, boosting user engagement metrics.
- Championed performance monitoring, reducing memory leaks significantly.
Junior Full Stack Engineer
Developed features for the food delivery application, collaborating with cross-functional teams to improve user experience.
- Built robust full-stack features for dynamic food delivery.
- Optimized components for speed and maintainability.
Web Developer Trainee
Developed the WSSEL food delivery customer application on the web platform utilizing React JS and a GraphQL client. Conducted manual testing to ensure quality assurance before deliverable sign-offs.
- Built responsive web interfaces using React JS.
- Integrated GraphQL for efficient data fetching.
- Performed rigorous manual testing for quality assurance.
Featured Projects
A selection of mobile applications I've developed, showcasing my expertise in React Native, performance optimization, and creating visually stunning user experiences.

Athletika
Designed to help people become athletes by following coaches' instructions, eating well throughout the day, and building a good habit plan.

MISPay
Fintech buy now, pay later mobile application.

Wiqaya
Quranic education app teaching Arabic and non-Arabic speakers how to properly recite the Quran.

TKYR Customer App
Food delivery application providing a seamless ordering experience.

SHDH Logistic App
Logistics and tracking application developed for delivery captains.

Sparow Rider App
Food delivery driver app helping drivers deliver orders in the fastest and easiest way.
Technical Skills
My technical arsenal built over years of crafting high-performance mobile applications and scalable systems.
Education
My foundational knowledge and formal academic achievements.
Master's degree in Networking Security
Higher Institute of Computer Science (ISI)
Bachelor’s degree
Higher Institute of Computer Science (ISI)
Project Proposal
Have a project in mind? Fill out the proposal form below and I'll get back to you with a tailored plan.