Hi, I'm Arnau Güell, a senior mobile developer with over 15 years of experience specializing in Flutter and AI technologies. I love building scalable applications with clean architecture and am passionate about solving complex problems using the latest in AI and mobile development tech. I enjoy collaborating with teams and always strive to deliver high-quality work on time. Recently, I've been working on some exciting personal projects, including developing a Flutter-based POS app integrated with an AI chat assistant and creating a cross-platform Flutter dating app with features like manual profile verification and monetization via ads and in-app purchases. I'm always eager to tackle new challenges and bring innovative ideas to life through code.

Arnau Güell

Hi, I'm Arnau Güell, a senior mobile developer with over 15 years of experience specializing in Flutter and AI technologies. I love building scalable applications with clean architecture and am passionate about solving complex problems using the latest in AI and mobile development tech. I enjoy collaborating with teams and always strive to deliver high-quality work on time. Recently, I've been working on some exciting personal projects, including developing a Flutter-based POS app integrated with an AI chat assistant and creating a cross-platform Flutter dating app with features like manual profile verification and monetization via ads and in-app purchases. I'm always eager to tackle new challenges and bring innovative ideas to life through code.

Available to hire

Hi, I’m Arnau Güell, a senior mobile developer with over 15 years of experience specializing in Flutter and AI technologies. I love building scalable applications with clean architecture and am passionate about solving complex problems using the latest in AI and mobile development tech. I enjoy collaborating with teams and always strive to deliver high-quality work on time.

Recently, I’ve been working on some exciting personal projects, including developing a Flutter-based POS app integrated with an AI chat assistant and creating a cross-platform Flutter dating app with features like manual profile verification and monetization via ads and in-app purchases. I’m always eager to tackle new challenges and bring innovative ideas to life through code.

See more

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

Language

English
Advanced
Spanish; Castilian
Fluent
Catalan; Valencian
Advanced

Work Experience

Sr Flutter Developer at Neoris/EPAM Finetwork
August 1, 2024 - March 31, 2025
Designed and developed an AI-powered multi-agent chat system to automate software development, integrating Jira for context-aware assistance, ChromaDB for GitHub searches, and OpenAI GPT with LangChain for AI interactions. The system generates code, automates pull requests, and features a Flutter-based UI for web and mobile. The backend used Python FastAPI and WebSockets for real-time communication. Contributed to development of the client's private area for Android, iOS, and Web using a multi-package Flutter workspace with Melos and Bloc for state management at Finetwork, a telecommunication company.
Flutter Developer at Hartmann
January 1, 2022 - July 31, 2024
Led the development of a pharmacy shop app for iOS, Android, and Web using Flutter. Integrated RESTful APIs and used Firebase for bug tracking and notifications.
Developer at Unit Elements SOMOS (BCN)
May 1, 2017 - January 31, 2022
Led development of apps, web platforms, and VR games for events using Flutter, Angular, Ionic, and other technologies. Also managed backend development using Firebase.
3D Technical Artist at Dantex Group (BCN)
October 1, 2015 - January 31, 2017
Created 3D and VR visualizations for interactive websites.
3D Technical Artist at The Bionic Group (UK)
April 1, 2014 - July 31, 2014
Produced architectural 3D visualizations illustrating construction processes.
3D Visualizer at SORALUCE (Basque Country)
February 1, 2011 - October 31, 2013
Developed 3D visualizations and interactive games for ads and tutorials.
Sr Flutter Developer at Neoris/EPAM Finetwork
March 31, 2025 - July 9, 2025
Designed and developed an AI-powered multi-agent chat system to automate software development, integrating tools such as Jira, ChromaDB, OpenAI GPT, and LangChain. The system automates code generation and pull requests, featuring a Flutter-based UI for web and mobile, and a Python FastAPI backend with real-time communication via WebSockets. Contributed to developing the client's private area for Android, iOS, and Web in a multi-package Flutter workspace using Melos and Bloc.
Flutter Developer at Hartmann
July 31, 2024 - July 9, 2025
Led the development of a pharmacy shop app for iOS, Android, and Web using Flutter. Integrated RESTful APIs and utilized Firebase for bug tracking and notifications.
Developer at Unit Elements SOMOS (BCN)
January 31, 2022 - July 9, 2025
Led development of apps, web platforms, and VR games for events using Flutter, Angular, Ionic, and other technologies. Handled backend development with Firebase.
3D Technical Artist at Dantex Group (BCN)
January 31, 2017 - July 9, 2025
Created 3D and VR visualizations for interactive websites.
3D Technical Artist at The Bionic Group (UK)
July 31, 2014 - July 9, 2025
Produced architectural 3D visualizations to illustrate construction processes.
3D Visualizer at SORALUCE (Basque Country)
October 31, 2013 - July 9, 2025
Developed 3D visualizations and interactive games for ads and tutorials.

Education

Computer Science at CetPenedes
January 1, 2007 - December 31, 2009
VFX for Ads/Film at Syntesis (Basque Country)
January 1, 2009 - December 31, 2011
Compositing for VFX at Escape Studios (UK)
January 1, 2014 - December 31, 2014
Computer Science at CetPenedes
January 1, 2007 - December 31, 2009

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Telecommunications, Gaming, Retail, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

Hire a Developer

We have the best developer experts on Twine. Hire a developer in Madrid today.