Senior Flutter Software Engineer

IDT BY INDET GROUP

Senior Flutter Developer building and evolving BOSS Revolution app. Working with large-scale Flutter product and contributing to mobile platform architecture.

Posted 7/14/2026full-timeRemote • 🇬🇪 GeorgiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Flutter/Dart development, including state management with Bloc/Cubit, and native mobile integration using Kotlin and Swift. Proven ability to manage the full mobile app development lifecycle while ensuring high performance and reliability.

Highest-signal resume keywords

Flutter/Dart DevelopmentKotlin/Swift IntegrationBloc/Cubit State ManagementCI/CD Pipelines (GitHub Actions)Mobile Architecture Patterns

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

FlutterDartKotlinSwiftAsynchronous ProgrammingUnit TestingCode GenerationDependency InjectionPerformance OptimizationMobile App Development Lifecycle

Tools & Technologies

GitHub ActionsCrashlyticsTestFlightMelosCode Quality Automation

Industry Keywords

Clean ArchitectureModularizationReal-Time ProductCross-Functional CollaborationDeployment Automation

Tech Stack

Tools & technologies

AndroidDartFlutteriOSKotlinSwift

About the role

Key responsibilities & impact

Design and build high-performance features in Flutter/Dart, while maintaining and extending the native calling stack — SIP clients, audio handling, CallKit/ConnectionService integration — in Kotlin and Swift.
Own features end-to-end within our feature-first clean architecture: Bloc/Cubit state management, repositories, immutable state, and 90%+ unit-test coverage on business logic.
Work at real scale: a melos-managed monorepo with 100+ packages, strict dependency hierarchy, code generation (freezed / json_serializable), and shared design system.
Ensure reliability of a real-time product: monitor releases with Crashlytics and analytics pipelines, investigate call-quality and stability issues, and drive performance optimization.
Contribute to the overall architecture and technical strategy of our mobile platform — from package design to migration of legacy patterns to the current architecture.
Collaborate closely with product managers, backend engineers, QA, and designers as part of a cross-functional product team.
Improve our engineering toolchain: GitHub Actions CI/CD, automated store/TestFlight releases, diff-coverage gates, and code-quality automation.

Requirements

What you’ll need

5+ years of experience building large-scale mobile apps, including 3+ years with Flutter.
Strong proficiency in Flutter/Dart with deep understanding of the ecosystem: Bloc/Cubit (or comparable state management), asynchronous programming and isolates, code generation, and dependency injection.
Hands-on experience with native mobile development (Kotlin/Android and/or Swift/iOS) and integrating native code with Flutter via platform channels.
Solid understanding of mobile architecture patterns (clean architecture, modularization), performance optimization, and security best practices.
Strong testing culture: unit and bloc testing with mocked collaborators, deterministic tests, working under coverage gates.
Experience with the full mobile app development lifecycle — from concept to production and post-release monitoring — including Git, CI/CD pipelines (e.g., GitHub Actions), code signing, and deployment automation to the App Store and Google Play.
English: Upper-Intermediate or higher.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account IDT BY INDET GROUP Website LinkedIn All Job Openings 201 - 500 employees 📡 Telecommunications 💸 Finance 🤝 B2B Telecommunications
Finance
B2B IDT BY INDET GROUP is a global company that develops communication and payment services, aiming to unite families and grow businesses worldwide. Founded in 1990, IDT has grown to become the third-largest voice carrier with operations in over 20 countries and an annual revenue of $1. 5 billion. The company is known for its variety of communication tools and financial services, including its flagship brand BOSS Revolution, which offers international calling, mobile top-up, and money transfer services. IDT also provides cloud-based VoIP solutions through Net2Phone, as well as sales management systems and POS equipment for small and medium-sized businesses via National Retail Solutions. Additionally, IDT Express offers voice termination, DIDs, and SMS services globally, while Awards2Go provides custom prepaid Visa cards. Based in Newark, New Jersey, IDT is committed to innovation and quality, serving a diverse, multicultural community. Senior Flutter Software Engineer Job not on LinkedIn 🔥 12 minutes ago 🇬🇪 Georgia – Remote ⏰ Full Time 🟠 Senior 🧑‍💻 Full-stack Engineer Android Dart Flutter iOS Kotlin Swift Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Design and build high-performance features in Flutter/Dart, while maintaining and extending the native calling stack — SIP clients, audio handling, CallKit/ConnectionService integration — in Kotlin and Swift.
Own features end-to-end within our feature-first clean architecture: Bloc/Cubit state management, repositories, immutable state, and 90%+ unit-test coverage on business logic.
Work at real scale: a melos-managed monorepo with 100+ packages, strict dependency hierarchy, code generation (freezed / json_serializable), and shared design system.
Ensure reliability of a real-time product: monitor releases with Crashlytics and analytics pipelines, investigate call-quality and stability issues, and drive performance optimization.
Contribute to the overall architecture and technical strategy of our mobile platform — from package design to migration of legacy patterns to the current architecture.
Collaborate closely with product managers, backend engineers, QA, and designers as part of a cross-functional product team.
Improve our engineering toolchain: GitHub Actions CI/CD, automated store/TestFlight releases, diff-coverage gates, and code-quality automation. 🎯 Requirements
5+ years of experience building large-scale mobile apps, including 3+ years with Flutter.
Strong proficiency in Flutter/Dart with deep understanding of the ecosystem: Bloc/Cubit (or comparable state management), asynchronous programming and isolates, code generation, and dependency injection.
Hands-on experience with native mobile development (Kotlin/Android and/or Swift/iOS) and integrating native code with Flutter via platform channels.
Solid understanding of mobile architecture patterns (clean architecture, modularization), performance optimization, and security best practices.
Strong testing culture: unit and bloc testing with mocked collaborators, deterministic tests, working under coverage gates.
Experience with the full mobile app development lifecycle — from concept to production and post-release monitoring — including Git, CI/CD pipelines (e.g., GitHub Actions), code signing, and deployment automation to the App Store and Google Play.
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