Manuel Ernesto ⚡️
Hey there 👋
I'm Claudio Reyes
Senior Flutter & Kotlin Multiplatform Engineer
Senior cross-platform mobile engineer based in Berlin with 10+ years building production software. Flutter specialist with full-stack delivery experience across NestJS / Node.js / TypeScript, MongoDB, PostgreSQL and AWS — shipping apps in healthcare, telemedicine, e-commerce and real estate. Currently building a Kotlin Multiplatform SaaS, MindYourGain. Comfortable owning a feature end-to-end from architecture through release.
Let's connect! LinkedIn
My latest projects </>
MindYourGain

MindYourGain
2025

SaaS fitness platform grounded in scientific evidence. Multi-role architecture (user, trainer, AI coach) with a shared Kotlin Multiplatform module that eliminates API contract drift between the Ktor backend and Compose Multiplatform clients.
Life Help

Life Help

Wellness and community platform where users browse advisors, book live 1:1 video sessions, chat in real time and manage subscriptions. Built Agora RTC video, Stripe Connect payouts and Socket.io chat across iOS, Android and Web.
RehaScan (Navacom)

RehaScan (Navacom)
Healthcare

Hospital patient diagnostics platform with a dynamic questionnaire engine and automated PDF reporting, with GDPR-compliant data handling for hospital deployment. Stack: Flutter, NestJS, MongoDB, AWS.