Freelancer profile translated to English.

Description

Flutter Mobile Developer & Consultant - +5 years CTO of an agency, now independent

I co-founded and led a Flutter agency for 5 years: +€2M in revenue, ~15 employees, +40 applications delivered. Today, I leverage this experience for freelance projects.

What I do:

🔹Create Flutter mobile applications(iOS & Android) from A to Z

🔹 Createweb apps with Angular

🔹 Audit and technical consulting on existing Flutter projects

🔹 Flutter training and team upskilling

🔹 Architecture, CI/CD, best practices, testing

🔹 Improve your AI process to code faster and better

Tech Stack:

🔹Flutter• Dart • (iOS / Android)
🔹Angular(web)
🔹 Firebase
🔹 Supabase
🔹 Custom backend (kotlin, java)

For training/consulting, I cover:

Flutter best practices, testing strategy, CI/CD, common pitfalls, backend architecture.

Product Creator:

I launched ApparenceKit, a Flutter starter used by +450 teams and developers worldwide.

Some notable projects:

*👉Photomaton — Complete redesign of the kiosk interface, deployed internationally. By rethinking the entire user journey, from the first screen to purchase, we achieved +83% conversion.

*👉Roche Diabetes Care — Technical and strategic consulting for one of the world leaders in digital health.

*👉Wolters Kluwer — Support on the complete redesign of their mobile application: architecture choices, team organization, and upskilling.

*👉MonSuiviDiet — Flutter nutrition tracking app with 10,000–20,000 daily active users.

👉 ApparenceKit — Flutter starter used by +450 teams and developers

*👉Kubbo — Gamified habit tracker. Mobile application in scaling phase (flutter)

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Grenoble (up to 50km)

Apparence
CTO | Entrepreneur and Developer
SOFTWARE PUBLISHING
June 2017 - September 2023 (6 years and 3 months)
Grenoble, France
Apparence.io is a development studio for innovative **flutter mobile applications**.
▶ +€2M in revenue
▶ ±15 employees
▶ +30 applications developed
▶ With David Ansillon

Our young and dynamic team is at the forefront of the latest technologies. Our training is continuous: technological watch is one of our priorities.
Benefit from the expertise of our designers and developers. Challenge us, from the conception to the creation of your mobile app, for a sustainable and successful project.

➡️ Our expertise:Flutter
We have specialized in creating Flutter mobile applications since 2017, the best cross-platform native technology (iOS, Android, desktop, and web). As Flutter specialists, we initiated the Flutter Grenoble meetup.

➡️ Our goal
We collaborate with all types of start-ups, SMEs, and large corporations with the aim of satisfying you by creating the app that will boost your business.
Flutter iOS Android Dart
kayentis
Product Development Engineer
MEDICAL
January 2013 - June 2017 (4 years and 5 months)
Montbonnot-Saint-Martin, France
- Participation in the development of a patient data management server and realization of various web services (hibernate, soap...)

Development of a native Android application for patients interacting with a data server. (Development started from scratch)
- synchronization and data update with REST web services
- interface development
- calendar
- advanced notifications
- advanced configuration
- ...

Development of a web application for deploying devices using the applications worldwide. (update management, apk...)

Development of a version 2 of the data entry application for patients, in native Android version.
Android Spring SQL Server Java Mobile Application