CareerPlan

Mobile Engineer (m/w/d) – Flutter, Enterprise-App

Remote / Köln / MünsterRemoteFull-time2026-10-15 → 2026-11-11
Hybrid

Core

Develop and maintain a cross-platform mobile wallet app (SecureID) that replaces hardware tokens and smartcards, enabling secure digital identity, NFC access, and passwordless login.

Role type

Senior Mobile Engineer (Flutter)

Builds

SecureID mobile wallet application for iOS and Android

Domain

Fintech / Cybersecurity / Mobile Development

Deliverable

production ML models | product features

Required skills

Flutter, Dart, iOS development, Android development, SaaS backend integration, Push notifications, Biometrics, NFC/HCE, BLE, Secure Enclave, Android Keystore, Riverpod, GoRouter

Preferred skills

Swift, Kotlin, App Store deployment, Codemagic, PKI, X.509

Technologies

Flutter, Dart, Swift, Kotlin, Riverpod, GoRouter, TypeScript, Fastify, PostgreSQL, React, Vite, Tailwind CSS, Claude Code, Codex

Responsibilities

Develop SecureID app features for iOS and Android, implement UX design changes, integrate enterprise functions like organization switching, work on hardware security features (NFC, BLE, Biometrics), collaborate with backend teams, and review AI-generated code.

Seniority

Mid-Senior, hands-on IC