
Dev S
Expert App Development for Modern Brands
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Mobile App Developer
TechNova Solutions • Fulltime
May 2022 - Sep 2025 • 3 yrs 4 mos
Developed and maintained cross-platform mobile applications using Flutter and Firebase. Collaborated with UI/UX designers and backend engineers to deliver scalable and user-friendly products. Achievements: Led development of a fintech mobile app with over 50,000+ downloads Reduced app crash rate by 35% through performance optimization Integrated secure payment gateways and real-time notifications Improved app load time by 40%
6 Reviews
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demmydiano
Terugkerende klant

Portugal
I’m very satisfied with the work done on my app. Dev S delivered a high-quality product that works perfectly. He paid attention to details and ensured the app is user-friendly, efficient and he kept me updated throughout the process.
kluasruis
Terugkerende klant

Duitsland
I highly appreciate the work done by this seller. They built my taxi booking app exactly to my requirements, and everything functions perfectly. The app is user-friendly, fast, and great service overall.
kluasruis
Terugkerende klant

Duitsland
The quality of work delivered by Dev S is outstanding. My taxi booking app works perfectly, and all features are well implemented. He followed my instructions carefully and ensured everything was done right. The app looks professional and performs smoothly.
kluasruis
Terugkerende klant

Duitsland
Excellent work on my taxi booking app! The seller delivered a complete and functional app with great performance and design. Everything works perfectly, and the user experience is very smooth. I appreciate the clear communication and quick responses during the project. I’m very happy with the result!
demmydiano
Terugkerende klant

Portugal
The quality of work delivered is outstanding. My taxi booking app was built exactly how I wanted, and everything functions smoothly. He understood my needs and executed them perfectly. I’m very pleased with the project and highly recommend his services.
