Stefan V.
Flutter/FlutterFlow Developer
Mobile App Developer | Flutter & FlutterFlow Specialist I am a dedicated mobile app developer with 4+ years of hands-on experience in Flutter and FlutterFlow, backed by a degree in Computer Science from the Faculty of Electrical Engineering. I specialize in crafting beautiful, intuitive, and high-performance mobile apps, with expertise spanning the entire development lifecycle—from UI/UX design and architecture to deployment. Whether you need a visually stunning app or a custom UI that enhances user experience, I can bring your vision to life with precision and creativity. 🚀 What I Offer: End-to-End App Development: I bring your vision to life with full app development, ensuring top-quality performance and user experience. UI/UX Expertise: Skilled in building sleek, user-friendly interfaces using Flutter and FlutterFlow to provide an intuitive, visually appealing app experience. Design Patterns: Proficient in implementing clean architecture and design patterns in Flutter apps, ensuring scalable and maintainable code. Landing Pages & Single-Page Websites: I also design and develop modern landing pages and single-page websites using HTML, CSS, and JavaScript — perfect for showcasing apps, services, or MVP products. Backend & Database Integration: Experienced with Node.js, Firebase and Supabase for scalable backend solutions, and SQLite for offline capabilities. Version Control: Knowledgeable in Git and GitHub for code versioning, collaboration, and project management. Automation & Build Tools: Familiar with Buildship for optimized development workflows. Tools & Technologies: Flutter, FlutterFlow, Javascript, CSS, HTML, Supabase, Firebase, SQL, RevenueCat, Paypal, OneSignal, Admob ads, Unity ads, Git, Buildship Mobile Stores Publishing: Proficient in app deployment, ensuring smooth and compliant launches on the Google Play Store and Huawei App Gallery. I’m here to collaborate with clients to deliver high-quality, responsive apps that engage users. Whether it’s building from scratch, adding features, refining UI, or following best practices with design patterns, I strive to make each project a success. Let's work together to bring your app ideas to life!
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $5k
Billed in all: $20,331$20k
$1.3k in the last 6 months
Across 21 contracts
Earnings, last 30 days
Skill rankings: Top 7% in Retrofit
Ranked by MRR among everyone on Upwork with the skill.
- #11Retrofit155 freelancers · 🇷🇸 #2Top 7%🇷🇸#2 of 8
- #11Mobile Ad Campaign41 freelancers · 🇷🇸 #2Top 27%🇷🇸#2 of 3
- #34JetPack272 freelancers · 🇷🇸 #3Top 13%🇷🇸#3 of 5
- #45Firebase Realtime Database482 freelancers · 🇷🇸 #1Top 9%🇷🇸#1 of 1
- #55SQLite680 freelancers · 🇷🇸 #2Top 8%🇷🇸#2 of 6
- #73GitLab592 freelancers · 🇷🇸 #1Top 12%🇷🇸#1 of 8
- #88Firebase Cloud Firestore869 freelancers · 🇷🇸 #2Top 10%🇷🇸#2 of 2
- #146FlutterFlow834 freelancers · 🇷🇸 #2Top 18%🇷🇸#2 of 3