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Guy Jauvert A.

Guy Jauvert A.

Senior Flutter Developer | Offline-First Apps | BLoC & Supabase Expert

Hello! I’m Guy. I build robust, scalable Flutter applications that solve real business problems. With a decade of coding experience, I specialize in engineering complex, modular mobile and web apps with a strict focus on clean architecture and seamless user experiences. Whether you need to build a multi-environment business management SaaS, a specialized industry module, or a rock-solid consumer app, I bring the deep technical expertise required to ensure your project scales efficiently from day one. Core Expertise & Technical Stack Advanced Flutter & Dart: Deep expertise in building modular architectures. I highly prefer robust state management patterns like BLoC and rely on tools like AutoRoute for handling complex, nested navigation flows. Offline-First & Local-First Architecture: I build resilient apps that work flawlessly regardless of connectivity. Expert in implementing local data persistence (Hive, Isar) and multi-device synchronization using modern stacks like PowerSync and Supabase. Backend & Pipeline Integration: Seamless integration with RESTful APIs, Supabase, Firebase, and AWS Amplify. I am comfortable setting up multi-environment development pipelines (Local/Dev/Prod) utilizing Docker and CLI tools. UI/UX & Native Features: Translating complex Figma designs into pixel-perfect, responsive interfaces. Highly capable of integrating geospatial services, maps, and in-app payment gateways. Why Partner With Me? Business-Centric Development: I don't just write code; I think about the business logic. Having built successful products for marketplaces like CodeCanyon and bespoke systems for diverse industries, I know how to align the tech stack with your bottom line. Clean Code Advocate: I prioritize readable, modular, and maintainable code. When I build a feature, I build it so that it won't break when your user base doubles. Clear Communication: I bridge the gap between technical execution and business goals. I actively collaborate with stakeholders to ensure we are always moving in the right direction. Let’s discuss your project and how we can engineer a reliable, scalable solution together. Feel free to send me a message or an invitation to your job!

🇧🇮Bujumbura, Burundi$15/hr100% JSS4.89 (11)Since Nov 2022

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#153,451 / 412k
🇧🇮Country#2 / 8
Revenue, last 30 days
$0
Total earnings
$17k

Billed in all: $18k

World#153,451 / 412k
🇧🇮Country#2 / 8
Per project
$941

$0 in the last 6 months

Projects, last 6 months
2
50% fixed50% hourly
World#88,918 / 412k
🇧🇮Country#2 / 8
Projects in all
18
44% fixed56% hourly
World#143,608 / 412k
🇧🇮Country#2 / 8

Earnings, last 30 days

$17.8kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$17.4k$17.6k$17.8k$18.0kOct 8Oct 23Nov 7

Skills