{"schemaVersion":"jobsearcher.job.v1","id":"6b40a35fa216c9a2f1dd9848","url":"https://jobsearcher.com/jobs/6b40a35fa216c9a2f1dd9848","canonicalUrl":"https://jobsearcher.com/jobs/6b40a35fa216c9a2f1dd9848","title":"Senior Flutter Software Engineer","description":"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.\nYou'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 automation.\n\nWhat You'll Do:\nHybrid 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.\nOwn 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.\nWork at real scale: a melos-managed monorepo with 100+ packages, strict dependency hierarchy, code generation (freezed / json_serializable), and shared design system.\nEnsure reliability of a real-time product: monitor releases with Crashlytics and analytics pipelines, investigate call-quality and stability issues, and drive performance optimization.\nContribute to the overall architecture and technical strategy of our mobile platform — from package design to migration of legacy patterns to the current architecture.\nCollaborate closely with product managers, backend engineers, QA, and designers as part of a cross-functional product team.\nImprove our engineering toolchain: GitHub Actions CI/CD, automated store/TestFlight releases, diff-coverage gates, and code-quality automation.\nWe're Looking For:\n5+ years of experience building large-scale mobile apps, including 3+ years with Flutter.\nStrong 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.\nHands-on experience with native mobile development (Kotlin/Android and/or Swift/iOS) and integrating native code with Flutter via platform channels.\nSolid understanding of mobile architecture patterns (clean architecture, modularization), performance optimization, and security best practices.\nStrong testing culture: unit and bloc testing with mocked collaborators, deterministic tests, working under coverage gates.\nExperience 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.\nEnglish: Upper-Intermediate or higher.\nIt Would Be a Plus:\nExperience with VoIP/real-time communication: SIP, WebRTC, CallKit / Telecom framework, push-triggered call handling, audio session management.\nExperience working in large monorepos (melos, Mason, or similar tooling).\nKnowledge and experience beyond the mobile stack (backend, infrastructure, observability).\nDomain experience in telecom, fintech, or other regulated consumer products.\nWe are pleased to offer you:\nRemote b2b (Georgia-Moldova) or on-site employment (Belarus-Moldova) work opportunity!\nStable job with long-term growth perspective.\nCompetitive salary with annual performance review.\nReally good hardware.\nAn exciting and challenging job with talented people around.\nContinuous learning and career growth opportunities.\nCompensation for professional training, seminars, and conferences.\nReferral program – get rewarded for helping us grow the team with talented people.\nCompany-supported English classes to enhance your professional growth.\nMore perks for the Minsk and Chisinau office employees.\nA few words about us:\nIDT 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.\n\nIDT is not ”another big IT corporation”— we encourage and support in-house entrepreneurs in developing their ideas into business actions.\n\nOur 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.\n\nIf you're looking for a company that will give you the maximum flexibility in choosing a location to work, this opportunity is for you!\nWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.","company":"Integrateddevicetechnolog","rawCompany":"integrateddevicetechnolog","city":"Wilton","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-08-15T13:09:59.422Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Flutter Software Engineer","description":"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.\nYou'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 automation.\n\nWhat You'll Do:\nHybrid 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.\nOwn 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.\nWork at real scale: a melos-managed monorepo with 100+ packages, strict dependency hierarchy, code generation (freezed / json_serializable), and shared design system.\nEnsure reliability of a real-time product: monitor releases with Crashlytics and analytics pipelines, investigate call-quality and stability issues, and drive performance optimization.\nContribute to the overall architecture and technical strategy of our mobile platform — from package design to migration of legacy patterns to the current architecture.\nCollaborate closely with product managers, backend engineers, QA, and designers as part of a cross-functional product team.\nImprove our engineering toolchain: GitHub Actions CI/CD, automated store/TestFlight releases, diff-coverage gates, and code-quality automation.\nWe're Looking For:\n5+ years of experience building large-scale mobile apps, including 3+ years with Flutter.\nStrong 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.\nHands-on experience with native mobile development (Kotlin/Android and/or Swift/iOS) and integrating native code with Flutter via platform channels.\nSolid understanding of mobile architecture patterns (clean architecture, modularization), performance optimization, and security best practices.\nStrong testing culture: unit and bloc testing with mocked collaborators, deterministic tests, working under coverage gates.\nExperience 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.\nEnglish: Upper-Intermediate or higher.\nIt Would Be a Plus:\nExperience with VoIP/real-time communication: SIP, WebRTC, CallKit / Telecom framework, push-triggered call handling, audio session management.\nExperience working in large monorepos (melos, Mason, or similar tooling).\nKnowledge and experience beyond the mobile stack (backend, infrastructure, observability).\nDomain experience in telecom, fintech, or other regulated consumer products.\nWe are pleased to offer you:\nRemote b2b (Georgia-Moldova) or on-site employment (Belarus-Moldova) work opportunity!\nStable job with long-term growth perspective.\nCompetitive salary with annual performance review.\nReally good hardware.\nAn exciting and challenging job with talented people around.\nContinuous learning and career growth opportunities.\nCompensation for professional training, seminars, and conferences.\nReferral program – get rewarded for helping us grow the team with talented people.\nCompany-supported English classes to enhance your professional growth.\nMore perks for the Minsk and Chisinau office employees.\nA few words about us:\nIDT 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.\n\nIDT is not ”another big IT corporation”— we encourage and support in-house entrepreneurs in developing their ideas into business actions.\n\nOur 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.\n\nIf you're looking for a company that will give you the maximum flexibility in choosing a location to work, this opportunity is for you!\nWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.","datePosted":"2026-08-15T13:09:59.422Z","dateModified":"2026-08-15T13:09:59.422Z","hiringOrganization":{"@type":"Organization","name":"Integrateddevicetechnolog","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Wilton","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6b40a35fa216c9a2f1dd9848"},"url":"https://jobsearcher.com/jobs/6b40a35fa216c9a2f1dd9848"}}