Sebastián Entrerrios García - Senior Full Stack & Mobile Developer

Hoi, ik ben

Sebastián Entrerrios García Sebastián Entrerrios García Sebastián Entrerrios García

Senior Full Stack & Mobile Developer

Based in Madrid, Spain. I build digital products with care — from native mobile apps to full-stack web systems.

Over Mij

Technologieën

Tools en technologieën die ik beheers

Kotlin

★★★★

TypeScript

★★★★

Jetpack Compose

★★★★

Android

★★★★

React

★★★★

Ktor

★★★★

Kotlin Multiplatform

★★★★

Git

★★★★

Gradle

★★★★

MVI

★★★★

MVVM

★★★★

Clean Architecture

★★★★

Meer Weergeven→

Soft Skills

Persoonlijke en professionele kwaliteiten

~⭐~

Adaptability

~⭐~

Attention to Detail

~⭐~

Communication

~⭐~

Continuous Learning

~⭐~

Creativity

~⭐~

Critical Thinking

~⭐~

Empathy

~⭐~

Proactivity

~⭐~

Problem Solving

~⭐~

Resilience

~⭐~

Teamwork

~⭐~

Time Management

Wie ben ik?

Full stack and mobile engineer: design fast frontends, solid APIs and production-ready mobile experiences.

Werkervaring

Mijn professionele reis

Senior Full Stack & Mobile Developer

Solusoft

Januari 2026 - Heden Madrid, Spain

Technical lead for mobile and full-stack delivery: architecture, native Android/iOS and the .NET APIs behind them.

Belangrijke Prestaties

Promoted to Senior within the same team after 15 months; now the technical reference for 2–3 production apps and 2 internal APIs
Led the Transportes Chinchón programme: native Android and iOS apps delivered in feature parity over a shared .NET backend (ApiMovil), my first production iOS release
Designed and maintain ApiMovil and the Wemob .NET REST APIs, the single backend shared by web and both native mobile clients
Drove the migration of AGEDI, Sisley, Iberext and EPDM towards clean multimodular architecture, enabling a bi-weekly release cadence
Established architecture reviews and delivery planning for the mobile team

Meer Weergeven→

Junior Full Stack & Mobile Developer

Solusoft

Maart 2025 - December 2025 Madrid, Spain

Shipped two Android apps from zero to production (EPDM on Google Play, Iberext in the field) while maintaining the .NET platforms.

Belangrijke Prestaties

Built and published the EPDM Music Portal Android app end to end (Kotlin, Jetpack Compose, Firebase) on Google Play, with 1,000+ installs
Delivered Iberext to production: migrated a legacy Windows tablet app to native Android on a multimodular clean architecture, deployed on 100+ field devices
Shipped dozens of features and fixes across AGEDI and Sisley (C#/.NET, SQL Server, Azure) alongside the mobile work
Introduced clean, multimodular Android architecture to the team as the baseline for new mobile projects

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Full Stack & Mobile Developer Intern

Solusoft

Oktober 2024 - Februari 2025 Madrid, Spain

First enterprise role: features and maintenance on .NET platforms and the technical groundwork of the Iberext Android app.

Belangrijke Prestaties

Implemented 10+ new features across the AGEDI projects (C#/.NET, SQL Server) within the first months
Maintained the Sisley frontend and backend, resolving production issues under supervision
Laid the groundwork of the Iberext Android app (project setup, architecture proposal, first screens), which became the base of the production release
Offered a junior contract at the end of the internship

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