Senior Flutter Mobile Engineer - Remote, Hardware-Integrated

Afternow; Polska; Hybrid; PLN 147,000 - 196,000; Full time

Job summary

Afternow is seeking a Senior Flutter Developer to own the mobile experience for a digital retail ecosystem. You will embed Flutter modules into native shells to access deep hardware APIs for payment terminals and printers, delivering a zero-latency, offline-capable checkout experience.

You will work with backend Java microservices, REST APIs, and a fast-paced team to build modules for POS, marketplace, AI companion, banking, and inventory management.

Qualifications

• 5+ years of mobile development experience with 3+ years in Flutter.
• Proven Add-to-App experience and native Android/iOS development.
• Experience with hardware integration via native SDKs.

Responsibilities

• Build Flutter modules with Add-to-App for seamless Dart/Native interop.
• Integrate REST APIs with Java-based microservices.
• Collaborate on hardware integrations with Smart POS, printers, and scanners.
• Develop POS, B2B, AI, banking, and inventory modules with real-time UI.
• Design offline-first storage and maintain high-performance UI.
• Ensure code quality, reviews, and strong teamwork with PM and backend.

Skills

Flutter

Add-to-App

Kotlin

Swift

REST API

SQLite

Hardware integration

State management

English

Spanish

Tools

Android Studio

iOS development

Native SDKs

REST client

SQLite

Job description

Afternow is seeking a Senior Flutter Developer to own the mobile experience for a digital retail ecosystem. You will embed Flutter modules into native shells to access deep hardware APIs for payment terminals and printers, delivering a zero-latency, offline-capable checkout experience.

You will work with backend Java microservices, REST APIs, and a fast-paced team to build modules for POS, marketplace, AI companion, banking, and inventory management.