Senior Flutter Mobile Engineer — Hardware & Offline-First

Jobgether; España; Presencial; EUR 33.000 - 45.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Remote work

Flexible hours

Core CET window

High ownership

Descripción de la vacante

Jobgether in Spain is seeking a Senior Flutter Mobile Developer to own the mobile experience of a high-impact retail platform. You will connect Flutter with native Android/iOS capabilities and work with hardware integrations in a remote, international environment.

You will collaborate with Product and Backend teams, implement offline-first features, optimize performance, and contribute to automated tests while maintaining high code quality and deadlines.

Formación

• 5+ years of professional mobile development experience with 3+ years in Flutter.
• Proficiency in Flutter, Dart, and Add-to-App architecture.
• Experience with native Android (Kotlin) or iOS (Swift) and hardware integrations.
• Skilled in REST API, local storage (SQLite), offline-first apps, and performance.
• Excellent communication in English; Spanish is a plus; autonomous in an international team.

Responsabilidades

• Own and develop the mobile experience for a mission-critical digital retail platform.
• Build Flutter modules with Add-to-App architecture and integrate with native SDKs.
• Develop integrations with payment terminals, printers, scanners, and other hardware.
• Connect to Java-based backends via REST APIs and maintain POS, billing, inventory flows.
• Ensure offline-first reliability, test hardware-dependent workflows, and review code.

Conocimientos

Flutter

Dart

Add-to-App

Kotlin/Android

Swift/iOS

REST APIs

SQLite

Offline-first

Performance optimization

Testing (integration)

Herramientas

Add-to-App architecture

SQLite

REST API integrations

Descripción del empleo

Jobgether in Spain is seeking a Senior Flutter Mobile Developer to own the mobile experience of a high-impact retail platform. You will connect Flutter with native Android/iOS capabilities and work with hardware integrations in a remote, international environment.

You will collaborate with Product and Backend teams, implement offline-first features, optimize performance, and contribute to automated tests while maintaining high code quality and deadlines.