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Sam Ramond
@corewavedev
Flutter and flutterflow mobile app developer
United Kingdom
English, Spanish, Portuguese
About me
I don’t just build apps or stores… I build products people actually use.
I develop Flutter and FlutterFlow mobile apps for startups and businesses — booking apps, dating apps, and custom ideas — built with clean structure and smooth user flow.
I also design and develop Shopify stores that look modern and are set up to convert, whether it’s a new store, redesign, or migration.
What you get:
• Clean, professional build
• Strong backend structure
• Scalable setup for growth
• Clear communication
Got an idea? Send a message and let’s break it down properly.
Skills
Sam Ramond
Offline •
Average response time: 1 hour
See my services
Cross-Platform Development
I will build android ios crypto wallet app website blockchain app fintech app bank app
Mobile App Bug Fixes
I will develop flutter app flutterflow app mobile app developer dating app booking app
Portfolio
Work experience
FlutterFlow Application Developer
YouFit Gyms • Freelance
Feb 2026 - Present • 4 mos
Designed and developed no-code and low-code mobile applications using FlutterFlow. Created scalable MVPs, SaaS platforms, marketplace apps, and business applications. Integrated Firebase Authentication, Firestore Database, APIs, and third-party services. Built custom actions and custom widgets to extend FlutterFlow functionality. Optimized application performance and user experience. Worked closely with startups and business owners to transform ideas into production-ready applications.
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Senior Flutter Mobile App Developer
Fiverr • Freelance
Oct 2025 - Present • 8 mos
Developed cross-platform mobile applications using Flutter for Android and iOS. Built custom UI/UX interfaces with responsive layouts. Integrated REST APIs, Firebase, payment gateways, and push notifications. Implemented authentication systems, user management, and real-time data synchronization. Published and maintained mobile applications on app stores. Collaborated with clients to gather requirements and deliver scalable mobile solutions.
8 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 8 Reviews
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duoreelapp
Repeat Client
United Kingdom
Sam did a solid job fixing the bugs and errors in my app as requested. He also went through the app properly, identifying other problems i didn't even noticed and work through them while i wasn't even active to respond to his messages while also fixing the original issue. Everything is now working...
Seller's Response
Helpful?
duoreelapp
Repeat Client
United Kingdom
I came to this seller with my food app that seriously need a lots of love specifically, a major face lifts was needed for the screen page. Huh, what i have earlier was quite poor. Sam meticulously went through the every screen and did a great work.😍 Sam was also patient with my feedback and fixes all...
Seller's Response
Helpful?
alysonjoyce
Repeat Client
Australia
Great experience and really appreciate the constant communication! I would highly recommend using Sam! :)
Helpful?
alysonjoyce
Repeat Client
Australia
great work! Very happy with communication and process!
Helpful?
sachie22
United States
Working with Corewavedev was an incredible experience. I had complex ideas and struggled to explain them clearly, yet they still understood every detail and turned my vision into an outstanding, modern platform. They were patient, attentive, and took the time to fully grasp what I wanted. The final product...
Helpful?
