I will develop mobile app for android and ios flutter app developer fintech payment app

S
swiftdevstudio
S
swiftdevstudio
Sascha G

About this gig

Looking for a Flutter mobile app developer to develop your Android and iOS app for your startup or business? You're in the right place.


I specialize in Flutter mobile app development, creating custom, production ready mobile apps with intuitive UI/UX, scalable architecture, and clean, well documented code. Whether you need a fintech app, payment app, escrow platform, P2P wallet, business app, or MVP, I develop secure, high performing solutions designed for business growth.


What I Deliver

  • Flutter Mobile App Development
  • Android & iOS App Development
  • Custom UI/UX Design
  • REST API & Backend Integration
  • Firebase Integration
  • Payment Gateway Integration
  • Admin Panel Development
  • App Store & Google Play Submission
  • Flutter App Updates & Bug Fixes


Apps I Can Build

  • Fintech & Payment Apps
  • Escrow & P2P Wallet Apps
  • Business Management Apps
  • Food Delivery Apps
  • Gym & Fitness Apps
  • Chat & Call Apps
  • On Demand Service Apps


Why Choose Me

  • Production Ready Mobile Apps
  • Responsive UI/UX
  • Scalable Development
  • On Time Delivery
  • 100% Client Satisfaction
  • Ongoing Support


Please message me before placing your order so I can discuss your project and provide an accurate solution.

Get to know Sascha G

Sascha G

Full Stack Software Engineer AI Mobile Web PCB Solutions

  • FromGermany
  • Member sinceJul 2026
  • Avg. response time1 hour
  • Languages

    English, German, French, Spanish, Dutch
I help businesses turn digital ideas into practical, reliable solutions that support growth. I build and improve WordPress & WooCommerce stores, develop Flutter mobile apps, and create data driven digital marketing solutions designed around real business goals. My approach combines clean development, thoughtful user experience, performance, and strategic marketing not just a finished project. Whether you need a new store, mobile app, technical improvement, or marketing support, I focus on understanding the problem first and delivering a solution that is clear, scalable, and built to work.