Senior Flutter Engineer (Remote) - Scale Global Calling App

Medium; Belgique; Hybrid; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Remote work options

On-site options

Long-term growth

Competitive salary

Hardware provided

English courses

Job summary

IDT Corporation is seeking a Senior Flutter Developer for the DTC Calling team to build the flagship BOSS Revolution app, a large Flutter product with a deep native calling stack (SIP/VoIP). You’ll work in a massive Flutter codebase with platform channels to Kotlin/Swift, contributing to architecture, testing, and CI/CD pipelines.

Ideal candidates bring 5+ years in mobile apps, 3+ years Flutter, native mobile experience, and strong English.

Qualifications

• 5+ years of experience building large mobile apps with 3+ years in Flutter.
• Strong proficiency in Flutter/Dart and state management.
• Hands-on native mobile development experience (Kotlin/Swift) with Flutter integration via platform channels.

Responsibilities

• Design and build high‑performance features in Flutter/Dart while extending the native calling stack.
• Own features end‑to‑end with clean architecture and high test coverage.
• Collaborate with product, backend, QA and design in a cross‑functional team.

Skills

Flutter/Dart

Mobile development

Unit testing

CI/CD

Native Android/iOS

Tools

Kotlin

Swift

Git

Job description

IDT Corporation is seeking a Senior Flutter Developer for the DTC Calling team to build the flagship BOSS Revolution app, a large Flutter product with a deep native calling stack (SIP/VoIP). You’ll work in a massive Flutter codebase with platform channels to Kotlin/Swift, contributing to architecture, testing, and CI/CD pipelines.

Ideal candidates bring 5+ years in mobile apps, 3+ years Flutter, native mobile experience, and strong English.