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David
@davidowarners
Mobile App, Website Developer I Crafting Apps That Shape the Future
Pakistan
English, Spanish, German, Italian
About me
Full-stack developer specializing in Mobile Apps and modern responsive Websites. I help businesses build fast and scalable with a strong background in UI/UX design, API integration, Firebase and AI model implementation.
A Mobile App Developer expert in Flutter mobile app development with hands-on expertise in Android, iOS, and AI-powered mobile solutions.
As a web developer as well, I complement every mobile product with robust React/Next.js frontends and Node.js-powered backends.
I create high performance, scalable and user friendly Apps and Websites.
Skills
David
Offline •
Average response time: 1 hour
See my services
Custom Websites
I will do full stack website development, custom website design for your business
Cross-Platform Development
I will do mobile app development, android app and ios app
Portfolio
Work experience
Mobile & Web Developer
Upwork • Freelance
Apr 2019 - Present • 7 yrs 3 mos
Developed and maintained modern mobile applications and responsive web platforms for businesses and startups. Built scalable frontend interfaces using React and Next.js. Developed backend systems and APIs using Node.js. Designed user-friendly UI/UX experiences optimized for performance and responsiveness. Integrated authentication systems, databases, payment gateways, and third-party APIs. Improved application speed, scalability, and overall user engagement through performance optimization. Collaborated with clients to transform business requirements into functional digital solutions. Delivered cross-platform mobile applications with clean architecture and maintainable codebases.
3 Reviews
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Rating Breakdown
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- Quality of delivery
- Value of delivery
1-3 out of 3 Reviews
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shawn_phelan1
United Kingdom
Outstanding experience working with this developer.David demonstrated strong full stack expertise, excellent communication,and delivered the project exactly as requested.The code was clean, well structured and completed on time. Highly recommended for anyone looking for a reliable and skilled full stack developer.
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keal_doyle
United Kingdom
I had a great experience working with this website developer. The website was delivered on time with a modern, clean, and responsive design. Communication was excellent throughout the project, and every requested change was handled quickly and professionally. The final website is fast, user-friendly,...
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levelscript
Sweden
Working with David was an excellent experience. He delivered a high-quality custom website with great attention to detail and professionalism. His communication was clear, he completed the work on time, and he quickly addressed every request and revision. The final website exceeded my expectations. I...
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