Flutter Developer

🏢 Summary: Senior Flutter Developer role focused on building an offline-first mobile platform for servicing IoT devices using Flutter for Android and iOS. The position involves designing scalable architecture, integrating IoT communication and REST APIs, optimizing performance, and delivering end-to-end mobile features in collaboration with backend and UX teams. Hybrid B2B cooperation with projects involving modern mobile and IoT technologies. 🗂️ Requirements: 5+ years of mobile application development experience, 3+ years of commercial experience with Flutter and Dart, Strong knowledge of Flutter Framework and Dart, Knowledge of Flutter widget lifecycle and rendering mechanisms, Experience building Android and iOS applications from a single codebase, Strong understanding of asynchronous programming, Experience with Clean Architecture, MVVM, BLoC, Cubit or Provider, Experience designing modular and scalable applications, Experience with Dependency Injection, Practical experience with REST API integration, Knowledge of OAuth2, JWT, caching, retry mechanisms and error handling, Experience with JSON serialization, Ability to optimize mobile application performance, Experience with Flutter DevTools and error monitoring tools, Practical experience with unit, widget and integration testing, Knowledge of CI/CD tools and processes, Experience with Platform Channels, Secure Storage, Deep Linking, Push Notifications and Background Tasks, Knowledge of mobile application security principles, Experience working in Agile environments 📃 Skills: Flutter, Dart, Android, iOS, REST, OAuth2, JWT, JSON, BLoC, Cubit, Provider, MVVM, CI/CD, GitHub, GitLab, Bitrise, Jenkins, DevTools, PlatformChannels, SecureStorage, DeepLinking, PushNotifications, BackgroundTasks, IoT, Bluetooth, Firebase, Crashlytics, Azure, Agile 🏢 Description: Senior Flutter Developer Lokalizacja: Wrocław Tryb pracy: hybryda Forma współpracy: B2B (contracting) Stawka: 120–145 PLN/h netto + VAT O projekcie Dołącz do zespołu R&D rozwijającego nowoczesną platformę mobilną wspierającą serwisowanie inteligentnych urządzeń IoT. Celem projektu jest zastąpienie wielu rozproszonych aplikacji jednym, wydajnym rozwiązaniem mobilnym, które obsłuży cały cykl pracy serwisanta – od diagnostyki po konfigurację urządzeń. Poszukujemy doświadczonego Senior Flutter Developera , który będzie odpowiedzialny za projektowanie architektury oraz rozwój aplikacji mobilnej działającej w modelu offline-first , komunikującej się bezpośrednio z urządzeniami poprzez dedykowane protokoły. Zakres obowiązków Projektowanie i rozwój aplikacji mobilnej w Flutterze dla systemów Android i iOS. Tworzenie skalowalnej architektury aplikacji oraz dbanie o wysoką jakość kodu. Integracja z REST API oraz implementacja mechanizmów uwierzytelniania (OAuth2, JWT). Implementacja komunikacji z urządzeniami IoT oraz obsługa synchronizacji danych. Optymalizacja wydajności aplikacji, czasu uruchamiania oraz wykorzystania pamięci. Tworzenie i utrzymywanie testów jednostkowych, widgetowych oraz integracyjnych. Implementacja natywnych funkcjonalności z wykorzystaniem Platform Channels. Współpraca z zespołami Backend, UX/UI oraz Product Ownerami. Udział w code review, definiowaniu standardów programistycznych oraz mentoringu mniej doświadczonych programistów. Odpowiedzialność za dostarczanie funkcjonalności od etapu projektowania do wdrożenia. Wymagania Minimum 5 lat doświadczenia w tworzeniu aplikacji mobilnych, w tym co najmniej 3 lata komercyjnej pracy z Flutterem i Dartem. Bardzo dobra znajomość Flutter Framework oraz języka Dart. Znajomość cyklu życia widgetów oraz mechanizmów renderowania Fluttera. Doświadczenie w tworzeniu aplikacji na Android i iOS z jednej bazy kodu. Bardzo dobra znajomość programowania asynchronicznego (async/await, Streams, Isolates). Doświadczenie z architekturami Clean Architecture, MVVM, BLoC, Cubit lub Provider. Umiejętność projektowania modularnych i skalowalnych aplikacji. Doświadczenie z Dependency Injection. Praktyczna znajomość integracji REST API. Znajomość OAuth2, JWT oraz mechanizmów cache, retry i obsługi błędów. Doświadczenie z JSON serialization. Umiejętność optymalizacji wydajności aplikacji. Doświadczenie z Flutter DevTools oraz narzędziami do monitorowania błędów. Praktyczne doświadczenie w testowaniu aplikacji (Unit, Widget, Integration Tests). Znajomość CI/CD oraz narzędzi takich jak GitHub Actions, GitLab CI, Bitrise lub Jenkins. Doświadczenie z Platform Channels, Secure Storage, Deep Linking, Push Notifications oraz Background Tasks. Dobra znajomość zasad bezpieczeństwa aplikacji mobilnych. Umiejętność pracy w środowisku Agile oraz współpracy z zespołami produktowymi i UX. Mile widziane Doświadczenie w projektach IoT lub Smart Home. Znajomość komunikacji Bluetooth. Doświadczenie z Feature Flags lub Remote Config. Znajomość Firebase Crashlytics oraz Azure DevOps. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Development of advanced cross-platform mobile applications using Flutter for iOS and Android from a shared codebase, with focus on scalable architecture, performance, and real-time integrations. The role includes integrating REST APIs, authentication, native features, and implementing testing and CI/CD processes. It also involves architectural decisions, code reviews, and technical leadership within the mobile team. 🗂️ Requirements: 5+ years of mobile development experience, 3+ years of experience with Flutter and Dart, Strong knowledge of Flutter architecture, widget lifecycle and rendering, Experience with Clean Architecture and state management patterns (BLoC, MVVM, Cubit), Strong understanding of asynchronous programming, streams and concurrency in Dart, Experience integrating REST APIs and handling OAuth2 and JWT authentication, Experience with native integrations and platform channels, Experience with push notifications and background services, Experience with unit, widget and integration testing, Experience with CI/CD tools, Knowledge of mobile security best practices, Ability to lead technical discussions and support junior developers 📃 Skills: Flutter, Dart, REST, OAuth2, JWT, BLoC, MVVM, Cubit, CI/CD, GitHub, GitLab, Jenkins, Bitrise, iOS, Android 🏢 Description: Flutter Developer Location: Wrocław R&D Center / Hybrid Key Responsibilities Develop and maintain advanced Flutter applications for iOS and Android from a shared codebase Design scalable and maintainable mobile architecture Integrate REST APIs, authentication flows, and real-time device communication Improve app performance, stability, and offline capabilities Implement testing strategies and support CI/CD processes Collaborate with product, backend, and UX teams to deliver high-quality features Participate in code reviews, architecture decisions, and technical mentoring Requirements 5+ years of mobile development experience, including 3+ years with Flutter/Dart Strong knowledge of Flutter architecture, widget lifecycle, and rendering Experience with Clean Architecture, BLoC, MVVM, Cubit, or similar patterns Solid understanding of async programming, streams, and concurrency in Dart Experience with REST APIs, OAuth2, JWT, caching, and error handling Knowledge of native integrations, platform channels, push notifications, and background services Experience with testing (unit, widget, integration) Familiarity with CI/CD tools such as GitHub Actions, GitLab, Jenkins, or Bitrise Good understanding of mobile security best practices Ability to lead technical discussions and support junior developers Nice to Have Experience with IoT or smart-device applications Knowledge of Bluetooth communication Familiarity with Firebase Crashlytics, Azure DevOps, or remote configuration tools Experience working with offline-first applications Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Remote B2B contract for a Flutter/Dart Developer responsible for building and maintaining high-performance mobile and frontend applications, with involvement in C++ backend systems. The role focuses on developing new features, optimizing performance, and ensuring code quality through collaboration and code reviews. 🗂️ Requirements: Strong knowledge of object-oriented programming (OOP), Commercial experience with Flutter and Dart, Knowledge of memory management and performance optimization in C++, Experience with version control systems (Git) 📃 Skills: Flutter, Dart, C++, Git, OOP 🏢 Description: Szukamy utalentowanego Flutter / Dart Developera, który wesprze nas w tworzeniu nowoczesnych i wydajnych aplikacji. Na tym stanowisku będziesz pracować zarówno nad systemami backendowymi w C++, jak i aplikacjami frontendowymi oraz mobilnymi w Dart (np. Flutter). Lokalizacja: praca zdalna Forma współpracy: contracting, B2B Stawka: 140 - 160 zł/h Twoje zadania: Projektowanie, rozwój i utrzymanie oprogramowania w Flutter i Dart Tworzenie nowych funkcjonalności oraz ulepszanie istniejących rozwiązań Optymalizacja wydajności aplikacji i dbanie o wysoką jakość kodu Współpraca z zespołami QA, DevOps oraz Product Udział w code review i stosowanie dobrych praktyk programistycznych Rozwiązywanie problemów technicznych Wymagania: Bardzo dobra znajomość programowania obiektowego (OOP) Doświadczenie z Flutter (Dart) Znajomość zarządzania pamięcią i optymalizacji wydajności (C++) Umiejętność pracy z systemami kontroli wersji (np. Git) Zdolności analityczne i dbałość o szczegóły Dobra znajomość języka angielskiego Mile widziane: Doświadczenie w tworzeniu aplikacji mobilnych (Android/iOS) Znajomość środowisk Linux/Unix Doświadczenie z CI/CD Znajomość metodyk Agile (Scrum/Kanban) Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska.

🏢 Summary: Senior Flutter Developer role for a long-term FinTech and Banking project focused on developing and maintaining modern mobile applications in an international remote environment. The position involves building scalable financial features, collaborating with cross-functional teams, and contributing to architecture and engineering best practices. The offer includes fully remote B2B cooperation with an experienced engineering team. 🗂️ Requirements: Commercial experience with Flutter, Experience in FinTech, Banking or regulated environments, Strong knowledge of Dart, Strong knowledge of Flutter architecture, Experience with REST APIs, Understanding of mobile application lifecycle, Performance optimization knowledge, Experience with Git, Experience with CI/CD pipelines, Professional English (B2+) 📃 Skills: Flutter, Dart, REST, Git, CI/CD, Android, iOS, Agile, Scrum 🏢 Description: Senior Flutter Developer (FinTech / Banking) Location: Remote (Poland) Cooperation: B2B Industry: FinTech / Banking We’re looking for an experienced Senior Flutter Developer to join a long-term project for our client from the FinTech & Banking sector. You’ll become part of a cross-functional engineering team responsible for developing and maintaining modern mobile applications used by thousands of users. Although the project operates in an international environment and English is the working language, you’ll collaborate closely with Polish Engineering Managers and Polish team members on a daily basis. Your responsibilities Develop and maintain high-quality mobile applications using Flutter. Build scalable, secure and user-friendly features for financial products. Collaborate with backend developers, QA engineers, designers and product stakeholders. Participate in architecture discussions and technical decision-making. Write clean, maintainable and well-tested code. Contribute to code reviews and engineering best practices. Support continuous improvement of development processes. What we’re looking for Commercial experience developing mobile applications with Flutter . Previous experience in FinTech, Banking or other highly regulated environments . Strong knowledge of Dart and Flutter architecture. Experience integrating REST APIs. Good understanding of mobile application lifecycle and performance optimization. Experience working with Git and CI/CD pipelines. Ability to work independently while collaborating effectively within a team. Professional English (B2+) . Nice to have Experience with native Android or iOS development. Knowledge of mobile security best practices. Experience with automated testing for Flutter applications. Familiarity with Agile/Scrum environments. What you can expect Long-term cooperation on an enterprise-scale project. Fully remote work. Modern technology stack and experienced engineering team. International project with daily communication in English. Close collaboration with Polish managers and development team. Stable B2B cooperation.

🏢 Summary: Manual QA Tester role focused on ensuring high quality of Flutter-based mobile applications (iOS/Android) with strong involvement in IoT/AI-related projects. The position emphasizes advanced functional testing, hardware validation, and use of AI tools to optimize QA processes. It requires close collaboration with development teams and deep technical understanding of mobile and embedded environments. 🗂️ Requirements: Minimum 5 years of experience in manual mobile testing, Strong functional testing skills for iOS and Android applications, Knowledge of Flutter specifics, Experience with IoT or Embedded testing, Understanding of SDLC and Agile/Scrum methodologies, Experience with JIRA and test management tools, Ability to analyze JSON and XML data, Experience with hardware testing setups, sensors, measurement equipment, Knowledge of thermodynamics, refrigeration cycle, COP, heat pumps, Experience with lab testing, prototyping, validation, simulations, Practical use of AI tools for QA activities 📃 Skills: Flutter, iOS, Android, Jira, Confluence, SDLC, Agile, Scrum, IoT, Embedded, JSON, XML, AI, ChatGPT, Claude, Perplexity, Thermodynamics, COP, HeatPumps, Sensors, Prototyping, Simulations, Dart 🏢 Description: Manual QA Tester (Mobile / Flutter / IoT/AI) 📍 Wrocław (on site) About the project Join a team building innovative mobile applications in Flutter. The role focuses on ensuring the highest product quality and leveraging AI tools to optimize daily work. It is well-suited for individuals who value an office-based environment and want to have a real impact on the product. Responsibilities Manual testing of mobile apps (iOS/Android, Flutter) Bug reporting (Jira/Linear) Using AI tools (e.g., ChatGPT, Claude, Perplexity) for test scenarios, documentation, and log analysis Close collaboration with developers UX validation across devices Creating and maintaining Test Plans & Test Sets Participation in refinements (edge cases, acceptance criteria) Analysis of JSON/XML data Risk identification and quality assurance across project stages Test coordination and task estimation Requirements Min. 5 years as Manual QA Tester (mobile) English min. B2 (communication & documentation) Knowledge of SDLC, testing methodologies, Agile/Scrum Experience with JIRA, Confluence, test management tools Strong functional testing skills Understanding of iOS vs Android and Flutter specifics Experience in IoT/Embedded testing Comfortable using AI tools (prompting for QA) Hardware experience (test setups, sensors, measurement equipment) Knowledge of thermodynamics, refrigeration cycle, COP, heat pumps Experience with lab testing, prototyping, validation, simulations Knowledge of JSON/XML High attention to detail Availability to work from the office in Wrocław Nice to have Postman / Charles Proxy / Proxyman Basic Dart/Flutter (code reading) ISTQB Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Senior Flutter Engineer role focused on designing and developing enterprise-grade mobile applications used globally. The position involves building scalable, secure, and high-performance Flutter apps integrated with backend services and enterprise systems. You will collaborate with cross-functional teams to deliver robust mobile architectures and maintain high code quality standards. 🗂️ Requirements: 5+ years of mobile application development experience, 3+ years of experience with Flutter and Dart, Strong knowledge of Flutter SDK and mobile architecture, Experience with scalable and modular mobile architectures, Experience with Clean Architecture, BLoC/Cubit or MVVM, Knowledge of Kotlin or Swift, Experience with native integrations and platform channels, Experience integrating REST APIs and backend systems, Strong knowledge of state management in Flutter, Experience with OAuth2 and OpenID Connect, Experience with Git, CI/CD and automated testing, Experience working in Agile/Scrum environments, Fluent English and Polish 📃 Skills: Flutter, Dart, FlutterSDK, REST, OAuth2, OpenIDConnect, BLoC, Cubit, MVVM, Kotlin, Swift, Git, CICD, Android, iOS, Azure, AzureAD, EntraID, MicrosoftGraph, WebView, PWA 🏢 Description: We build innovative digital products for the modern workplace in the Cloud, and we need your help. Our platform is used by hundreds of thousands of employees worldwide. We are looking for a Senior Flutter Engineer who will help us design and develop high-quality mobile applications used by enterprise clients around the globe. You will work closely with backend, security, and DevOps teams to build scalable and secure mobile solutions. Key responsibilities: designing and developing enterprise-grade mobile applications using Flutter and Dart, building scalable and modular mobile architectures, integrating mobile applications with backend services and REST APIs, implementing authentication and authorization mechanisms (OAuth2, OpenID Connect), ensuring high standards of code quality through code reviews, testing, and CI/CD, optimizing application performance, responsiveness, and UI rendering, collaborating with backend, security, UX, and DevOps teams, supporting the team in architectural and technical decisions. Apply if you have: 5+ years of experience developing mobile applications, at least 3 years of experience with Flutter and Dart, strong knowledge of Flutter SDK and mobile application architecture, experience designing scalable mobile applications, experience with architectural patterns such as Clean Architecture, BLoC/Cubit or MVVM, knowledge of native Android (Kotlin) or iOS (Swift), ability to implement native platform integrations and bridge Flutter with iOS/Android layers, experience integrating mobile apps with REST APIs and backend systems, strong knowledge of state management in Flutter (Bloc, Provider or similar), experience with authentication and authorization mechanisms (OAuth2, OpenID Connect), experience with Git, code review, CI/CD and automated testing, attention to performance, UI quality, and responsive mobile design, experience working in Agile / Scrum teams, strong communication skills and ability to work collaboratively, a good command of written and spoken English and Polish. Nice to have: experience integrating mobile apps with enterprise systems, experience with Azure ecosystem (Azure AD / Entra ID, Microsoft Graph), knowledge of mobile application security best practices, experience with WebView and PWA integration. We offer: work on a platform used by hundreds of thousands of employees worldwide, access to the latest technologies and tools, multidirectional professional development, certifications and knowledge-sharing opportunities, flexible work model (remote, hybrid or on-site), benefits package (private medical care, Multisport card).

🏢 Summary: Senior Frontend Engineer role in a hybrid model (Kraków) on a B2B contract, focused on building and modernizing user interfaces for a global payments platform in the financial sector. The position involves developing scalable front-end applications and micro frontends, integrating with payment systems, and working in an Agile DevOps environment. The engineer will contribute to high-performance solutions supporting international payment processing across EMEA. 🗂️ Requirements: Strong experience with React 18, Strong experience with TypeScript 5, Strong experience with Bootstrap 5, Experience with REST APIs, Understanding of microservices architecture, Experience with SQL and databases, Experience with Java 8+, Familiarity with JSP, Experience in Agile environments, Experience in DevOps environments 📃 Skills: React, TypeScript, Bootstrap, Java, SQL, REST, Microservices, JSP, CI/CD, Agile, DevOps 🏢 Description: 📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 180 - 200 PLN / hour We are looking for a Senior Frontend Engineer to join an international project delivered for a large organization within the financial services sector. The team is responsible for developing and maintaining a global payments platform that enables fast and secure fund transfers across multiple channels, including supplier payments, salaries, and tax transactions. This role focuses on building modern user interfaces and front-end services that support payment processing systems (e.g. SEPA, SWIFT) as well as internal tools used across the EMEA region. You will work in an Agile, DevOps-driven environment, contributing to scalable and high-performance solutions. Key Responsibilities: Develop and maintain modern front-end applications using React, TypeScript, and Java Build UI services and micro frontends supporting payment processing systems Collaborate with backend engineers to integrate APIs and microservices Improve system usability through intuitive interfaces and user-focused design Contribute to reducing operational complexity by building interactive tools and dashboards Support automation initiatives, including test automation and CI/CD improvements Enhance system efficiency and Straight-Through-Processing (STP) capabilities Maintain and modernize legacy UI components (e.g. JSP-based solutions) Work closely with stakeholders and distributed teams across different regions Requirements: Strong hands-on experience with React 18, TypeScript 5, Bootstrap 5 Solid understanding of RESTful APIs and microservices architecture Experience working with SQL and databases Java8+ essential, Java17+ preferable Familiarity with legacy frontend technologies (e.g. JSP) Experience working in Agile / DevOps environments Strong analytical and problem-solving skills English proficiency at B2+ level Nice to Have: Experience in payments / financial systems What We Offer: Long-term cooperation on an enterprise-scale international project Opportunity to work on high-impact global payment systems Real influence on user experience and internal platform development Private medical care (LuxMed) & Multisport card Collaboration with experienced, international engineering teams Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Senior Frontend Engineer role focused on building and maintaining modern UI applications for a global payments platform in the financial sector. The position involves developing scalable front-end solutions and micro frontends supporting payment systems such as SEPA and SWIFT in an Agile, DevOps-driven environment. The engineer will contribute to high-performance interfaces, API integrations, and modernization of legacy UI components. 🗂️ Requirements: Strong hands-on experience with React 18, Strong hands-on experience with TypeScript 5, Experience with Bootstrap 5, Solid understanding of RESTful APIs, Experience with microservices architecture, Experience with SQL and relational databases, Proficiency in Java 8 or higher, Familiarity with JSP or legacy frontend technologies, Experience working in Agile environments, Experience working in DevOps environments, English proficiency at B2+ level 📃 Skills: React, TypeScript, Bootstrap, Java, SQL, REST, Microservices, JSP, SEPA, SWIFT, CI/CD, Agile, DevOps 🏢 Description: 📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 180 - 230 PLN / hour We are looking for a Senior Frontend Engineer to join an international project delivered for a large organization within the financial services sector. The team is responsible for developing and maintaining a global payments platform that enables fast and secure fund transfers across multiple channels, including supplier payments, salaries, and tax transactions. This role focuses on building modern user interfaces and front-end services that support payment processing systems (e.g. SEPA, SWIFT) as well as internal tools used across the EMEA region. You will work in an Agile, DevOps-driven environment, contributing to scalable and high-performance solutions. Key Responsibilities: Develop and maintain modern front-end applications using React, TypeScript, and Java Build UI services and micro frontends supporting payment processing systems Collaborate with backend engineers to integrate APIs and microservices Improve system usability through intuitive interfaces and user-focused design Contribute to reducing operational complexity by building interactive tools and dashboards Support automation initiatives, including test automation and CI/CD improvements Enhance system efficiency and Straight-Through-Processing (STP) capabilities Maintain and modernize legacy UI components (e.g. JSP-based solutions) Work closely with stakeholders and distributed teams across different regions Requirements: Strong hands-on experience with React 18, TypeScript 5, Bootstrap 5 Solid understanding of RESTful APIs and microservices architecture Experience working with SQL and databases Java8+ essential, Java17+ preferable Familiarity with legacy frontend technologies (e.g. JSP) Experience working in Agile / DevOps environments Strong analytical and problem-solving skills English proficiency at B2+ level Nice to Have: Experience in payments / financial systems What We Offer: Long-term cooperation on an enterprise-scale international project Opportunity to work on high-impact global payment systems Real influence on user experience and internal platform development Private medical care (LuxMed) & Multisport card Collaboration with experienced, international engineering teams Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Senior Flutter Developer role focused on building and evolving a cross-platform client-facing inspection application using Flutter and Dart. The position involves owning application architecture, performance, and code quality while integrating mobile and web clients with backend services. The engineer collaborates with cross-functional teams to deliver a scalable PWA-enabled solution for real users. 🗂️ Requirements: 3+ years of production experience with Flutter, Strong knowledge of Dart and asynchronous programming (Streams, RxDart), Experience with Progressive Web Apps and mobile Web APIs (camera, geolocation, offline sync), Hands-on experience with Flutter for Web and responsive layouts, Solid understanding of cross-platform application architecture, Experience integrating applications with backend services and databases (Azure SQL, MongoDB), Practical experience with CI/CD pipelines, Experience with Azure DevOps 📃 Skills: Flutter, Dart, RxDart, PWA, WebAPI, AzureSQL, MongoDB, AzureDevOps, CI/CD, .NET 🏢 Description: We are seeking a Senior Flutter Developer to join our team and drive the development of a client-facing application. This role centers on building robust cross-platform solutions using Flutter and Dart. As a software engineer, you will own the technical design, performance and code quality of the application, collaborating with product, UX, backend and AI teams to deliver a scalable inspection platform for real policyholders. Remote work from Poland is possible. Working Hours: Up to 7 PM CEST. Responsibilities Develop and maintain Flutter applications for iOS, Android and Web, emphasizing usability and guided user flows Implement Progressive Web App (PWA) features, including offline support, efficient asset loading and installable web experiences Own and evolve application architecture, focusing on state management and navigation, modularization and dependency management, and clean separation of UI, domain and data layers Optimize performance and responsiveness, especially for image capture, preview and upload flows Integrate mobile and web clients with backend services, including data persistence and APIs backed by Azure SQL and MongoDB Contribute to and maintain CI/CD pipelines using Azure DevOps for mobile and web builds Perform code reviews and actively raise engineering quality standards Participate in technical decision-making, balancing speed, scalability and maintainability Requirements 3+ years of production experience with Flutter and strong knowledge of Dart, especially around async programming (Streams, RxDart) Experience with Progressive Web Apps (PWA), including mobile Web APIs for camera access, geolocation and offline synchronization Hands-on experience with Flutter for Web, including responsive layouts and browser performance considerations Solid understanding of mobile and cross-platform application architecture Experience with integration of applications with backend services and databases such as Azure SQL and MongoDB Practical experience with CI/CD pipelines, preferably with Azure DevOps Strong problem-solving skills and ability to work independently in a product-oriented team Clear communication skills and experience with cross-functional teams Nice to have Proficiency in image-heavy PWA apps Experience with .NET We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Mid-level Manual QA Tester role focused on end-to-end testing of Flutter-based mobile applications for iOS and Android, including IoT and hardware-connected solutions. The position involves validating application quality, usability, and performance in complex testing environments while collaborating closely with developers and product teams. The role is fully on-site in Wrocław under a B2B contract. 🗂️ Requirements: Minimum 4 years of manual mobile application testing experience, Experience testing iOS and Android applications, Knowledge of Flutter-based applications, Experience with IoT or device-connected solutions, Experience working with hardware setups, sensors, or measurement devices, Understanding of system performance, diagnostics, and component validation, Ability to handle complex testing scenarios, English proficiency at B2 level, Availability to work on-site in Wrocław 📃 Skills: Flutter, iOS, Android, Jira, Linear, Postman, Charles, Proxyman, Dart, ISTQB, IoT 🏢 Description: jiAbout the Role We are looking for mid-level Manual QA Tester to join a team developing modern mobile applications in Flutter. This role is ideal for someone who combines strong testing expertise with a proactive mindset and enjoys working closely with developers in a fast-paced product environment. You will play a key role in ensuring application quality, usability, and reliability across mobile platforms. Work mode: 100% on-site (Wrocław) Contract Type: B2B (Contracting via Antal) Rate: 90–125 PLN/hour (net + VAT) Key Responsibilities Perform end-to-end manual testing of mobile applications on iOS and Android Identify, document, and track bugs using tools such as Jira or Linear Create and improve test scenarios, reports, and documentation with the support of AI tools Collaborate with developers and product teams to validate fixes and improve release quality Verify UI consistency, responsiveness, and user experience across devices Participate in testing connected devices and hardware-related workflows Support validation, performance, and edge-case testing in lab-like environments Requirements Minimum 4 years of experience in manual testing of mobile applications Strong understanding of mobile platforms and Flutter-based applications Experience testing IoT or device-connected solutions Experience working with hardware setups, sensors, or measurement devices Technical understanding of system performance, diagnostics, and component validation Ability to work with complex testing scenarios and non-standard environments Good communication skills in English (minimum B2) Availability to work from the office in Wrocław High attention to detail and strong analytical thinking Nice to Have Familiarity with tools like Postman, Charles Proxy, or Proxyman Basic understanding of Flutter or Dart ISTQB certification Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland