01/29/2026 updated

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Senior Flutter Developer & Product Designer

senigallia, Italy
Only remote
MSc Double Degree in Human Computer Interaction & Design
senigallia, Italy
Only remote
MSc Double Degree in Human Computer Interaction & Design

Profile attachments

Leonardo_Rignanese_Feb2026.pdf

About me

Senior Flutter Developer and Product Designer with a proven track record of taking raw ideas from concept to revenue. I don't just write code; I validate hypotheses, design user-centric interfaces, and implement feedback loops to drive growth.

FlutterUser Experience (UX)Application Programming Interfaces (APIs)Apple IOSArchitectureArchitectural PatternsBrowser CompatibilityDatabasesWeb DevelopmentUser Interface DesignMobile Application SoftwareNode.jsPerformance TuningResponsive Web DesignSoftware EngineeringSystems IntegrationWeb ApplicationsData Storage TechnologiesCachingPixel PerfectGoogle FirebaseBackendStripeFull Stack DevelopmentRegion ManagementDatabase Administration
Flutter Development
Extensive experience in Flutter for cross-platform mobile and web app development, with proficiency in state management using Riverpod and BLoC.

UI/UX Design
Strong skills in user interface and user experience design, focusing on clean architecture and pixel-perfect design implementation.

Full-Stack Development
Proficient in full-stack development using Firebase/Node.js, with experience in building scalable backend systems and integrating various APIs.

Mobile App Development
Expertise in developing mobile applications for both Android and iOS platforms using Flutter framework.

Web Development
Capable of creating web applications using Flutter for web, with experience in responsive design and cross-browser compatibility.

State Management
Proficient in various state management solutions including Riverpod, BLoC, and other architectural patterns for efficient app development.

Database Management
Experience with Firebase Realtime Database and other database systems for efficient data storage and retrieval in mobile and web applications.

API Integration
Skilled in integrating various APIs, including payment gateways like Stripe, and implementing custom API solutions for specific project requirements.

Performance Optimization
Expertise in optimizing app performance, including media optimization, caching strategies, and efficient code architecture.
 

Experience

Professional experience5 - 10 years
Freelancer since2019

Languages

EnglishNative speakerItalianNative speakerSpanishNative speaker

Project history

Flutter Developer

ONDA.PICS
Developing a web-first platform for surf photography sales with advanced media processing. Implemented scalable backend using Node.js and Firebase, developed hybrid architecture combining Flutter with React Native, and integrated Stripe for e-commerce functionality.

Flutter Developer

SlimSocial
Developed an open-source, privacy-focused Facebook client for Android. Achieved over 800,000 downloads, implemented advanced privacy features, and engineered an ultra-lightweight architecture.

Flutter Contractor

FunLab
Developed a science education app for kids with interactive experiments and engaging content. Led end-to-end product development, implemented custom media caching, analytics tracking, and used Riverpod for state management.

Flutter Contractor

The Parenthood
Created a comprehensive parenting support app with AI-powered assistance. Implemented custom AI chatbot, real-time content delivery system with AWS, and advanced caching strategy for offline functionality.

Flutter Contractor

PlayReplay
Engineered a professional tennis line-calling app with real-time ball tracking and match analysis. Developed high-precision tennis court widget and comprehensive match analytics system.

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