Senior Flutter Software Engineer

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Наша компания

BOSS Revolution helps millions of people across the world stay connected with family and friends — through international calling, mobile top-up, and money services. As a Senior Flutter Developer on our DTC Calling team, you'll build and evolve the flagship BOSS Revolution app: a large-scale Flutter product with a deep native calling stack (SIP/VoIP on Android and iOS) at its core. You'll work in one of the largest Flutter codebases in production — a monorepo of 100+ internal packages, feature-first clean architecture, and a strong engineering culture around code quality, testing, and automatio

Чем предстоит заниматься

Hybrid development: 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, connected via platform channels

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

Наши требования

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

Experience with VoIP/real-time communication: SIP, WebRTC, CallKit / Telecom framework, push-triggered call handling, audio session management

Experience working in large monorepos (melos, Mason, or similar tooling)

Knowledge and experience beyond the mobile stack (backend, infrastructure, observability)

Domain experience in telecom, fintech, or other regulated consumer products

Мы предлагаем

Remote b2b (Georgia-Moldova) or on-site employment (Belarus-Moldova) work opportunity!

Stable job with long-term growth perspective

Competitive salary with annual performance review

Really good hardware

An exciting and challenging job with talented people around

Continuous learning and career growth opportunities

Compensation for professional training, seminars, and conferences

Referral program – get rewarded for helping us grow the team with talented people

Company-supported English classes to enhance your professional growth

More perks for the Minsk and Chisinau office employees

Дополнительно

IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and payment services and one of the largest international voice carriers. We are listed on the NYSE, employ over 1800 people across 20 countries, and have over $1.5 billion in revenues

IDT is not ”another big IT corporation”— we encourage and support in-house entrepreneurs in developing their ideas into business actions

Our flagship brand, BOSS Revolution, offers Money Transfer, International Calling, and Mobile Top-Up services and supports IDT’s mission of enabling people to keep in touch and share resources with family and friends worldwide

If you're looking for a company that will give you the maximum flexibility in choosing a location to work, this opportunity is for you!