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Dauren B.
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Dauren B.

Flutter Developer | FlutterFlow | Firebase | Supabase | Mobile App

🥇 Top rated Flutter | FlutterFlow development I’m a professional Flutter Developer with 5 years of experience delivering scalable, production-ready mobile apps for startups, enterprises, and businesses with millions of active users. I focus on quality, performance, and teamwork – using Git (GitLab/Bitbucket), CI/CD, Jira/Trello, and Slack for clear collaboration and efficient delivery. I deliver high-quality cross-platform mobile solutions using the following skills: 🔹 Designing reusable, maintainable code and modular architecture in Flutter 🔹 Third-party libraries and RESTful API integration 🔹 Cross-platform mobile development for Android and iOS 🔹 Advanced state management (BLoC, Riverpod, GetIt, Provider) and clean app architecture (MVC, MVVM, MVP) 🔹 Deep knowledge of Firebase (Cloud Firestore, Realtime Database, Authentication, Analytics, Crashlytics, Notifications, Remote Config) 🔹 CI/CD automation with GitLab CI/CD, Firebase App Distribution, and testing pipelines 🔹 Experience with local storage solutions (SQLite, Drift, Hive) 🔹 Integration of Google SDKs (Maps, In-App Billing, Analytics, etc.) 🔹 Implementation of payment systems (Stripe, In-App Purchases, QR, NFC, Bluetooth transactions) 🔹 Push notifications, offline caching, performance tuning, and threading 🔹 Writing unit tests with Mockito for stability and debugging 🔹 Expertise with IDE tools (Android Studio, VS Code) 🔹 Following Material Design guidelines and modern UI/UX practices 🔹 Skilled with design handoff tools (Figma, Adobe XD, Sketch) 🔹 Familiar with chatbots and AI integrations (ChatGPT, GPT-3.5, GPT-4) 🔹 Proficient in version control tools (Git, GitHub, GitLab, Jenkins) Can deliver flowing high-quality mobile solutions: 🔹 ChatBot Flutter | FlutterFlow apps 🔹 ChatGPT Flutter | FlutterFlow apps 🔹 AI Flutter | FlutterFlow apps 🔹 Healthcare Flutter | FlutterFlow apps 🔹 IoT Flutter | FlutterFlow apps 🔹 Wearable Flutter | FlutterFlow apps 🔹 Bluetooth Flutter | FlutterFlow apps 🔹 NFC Flutter | FlutterFlow apps 🔹 Chat Flutter | FlutterFlow apps 🔹 Messaging Flutter | FlutterFlow apps 🔹 Education Flutter | FlutterFlow apps 🔹 eCommerce Flutter | FlutterFlow apps 🔹 Payment Flutter | FlutterFlow apps 🔹 Delivery Flutter | FlutterFlow apps 🔹 Booking Flutter | FlutterFlow apps 🔹 Events Flutter | FlutterFlow apps 🔹 Hospitality Flutter | FlutterFlow apps 🔹 Scan Flutter | FlutterFlow apps 🔹 Social Flutter | FlutterFlow apps 🔹 Travel Flutter | FlutterFlow apps 🔹 Map Flutter | FlutterFlow apps 🔹 Location Flutter | FlutterFlow apps 🔹 Tracking Flutter | FlutterFlow apps 🔹 Video Flutter | FlutterFlow apps 🔹 Audio Flutter | FlutterFlow apps 🔹 News Flutter | FlutterFlow apps Looking forward to building impactful mobile apps with you soon!

🇰🇿Astana, Kazakhstan$35/hr100% JSSSince Aug 2025
GlobeUpwork

Earnings and projects

MRR
$1.1k

Last 6 months ÷ 6

World#44,240 / 412k
🇰🇿Country#82 / 762
Revenue, last 30 days
$0

Last 6 months: $6.6k

Total earnings
$16k

Billed in all: $17k

World#156,996 / 412k
🇰🇿Country#310 / 762
Per project
$8.1k

$3.3k in the last 6 months

World#20,586 / 412k
🇰🇿Country#70 / 762
Projects, last 6 months
2
0% fixed100% hourly
World#88,922 / 412k
🇰🇿Country#145 / 762
Projects in all
2
0% fixed100% hourly
World#328,890 / 412k
🇰🇿Country#634 / 762

Earnings, last 30 days

$17kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$16.8k$17.0k$17.2k$17.4kOct 9Oct 24Nov 8

Skill rankings: Top 7% in Firebase Realtime Database

Ranked by MRR among everyone on Upwork with the skill.

  1. #32User Profile Creation213 freelancers · 🇰🇿 #1Top 15%
  2. #34Firebase Realtime Database482 freelancers · 🇰🇿 #1Top 7%
  3. #69Firebase Cloud Firestore869 freelancers · 🇰🇿 #2Top 8%
  4. #71User Authentication698 freelancers · 🇰🇿 #1Top 10%
  5. #122FlutterFlow834 freelancers · 🇰🇿 #1Top 15%
  6. #130In-App Purchases1,101 freelancers · 🇰🇿 #1Top 12%
  7. #173Smartphone995 freelancers · 🇰🇿 #1Top 17%
  8. #194Hybrid App Development1,431 freelancers · 🇰🇿 #1Top 14%