I will craft build a user oriented vending machine app, kiosk app

D
davekelvi
D
davekelvi
Kelvin

About this gig

Need a reliable, user-friendly vending machine or kiosk app? I design and build kiosk software and companion mobile apps that prioritize usability, performance, and secure payments. With experience in embedded interfaces, payment integrations, and responsive touch UI, Ill deliver a polished product ready for deployment.


What I offer:

  • Custom touchscreen kiosk UI optimized for quick, intuitive transactions
  • Vending machine control integration (GPIO, serial, or API-based device control)
  • Secure payment integration (card readers, NFC, mobile wallets, Stripe/PayPal)
  • Inventory management and remote monitoring dashboard
  • Offline-first behavior with sync when connectivity restores
  • Analytics, logging, and error-reporting
  • Companion mobile/web app for remote purchases, loyalty, or inventory
  • Documentation, deployment support, and optional maintenance


Why choose me:

  • Focus on user-oriented design: fast flows, clear CTAs, and accessibility
  • Robust error handling and transactional safety
  • End-to-end delivery: from UX wireframes to deployment and testing

Get to know Kelvin

Kelvin

Mobile App Engineer

  • FromItaly
  • Member sinceMar 2026
  • Avg. response time1 hour
  • Languages

    English, Spanish, French
Hi, I’m Kelvin, a mobile app developer who loves turning ideas into delightful apps. I build cross-platform apps with Flutter and native features when needed. I care about clean UI, fast performance, and a smooth onboarding experience. Outside work I contribute to open-source plugins and enjoy mentoring junior devs. Let’s build something great together!