Senior Flutter Developer

🏢 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: Part-time Senior Flutter Developer role focused on building and optimizing high-quality mobile applications for innovative smart bed IoT products. The position involves developing, testing, and maintaining Flutter-based solutions while ensuring performance, scalability, and code quality. Close collaboration with the development team and continuous improvement of application performance are key aspects of the role. 🗂️ Requirements: Proven commercial experience with Flutter and Dart, Experience in IoT projects, Experience with CoreData, Realm, Firestore or Supabase PostgreSQL, Knowledge of Android, iOS, Windows and macOS systems, Experience with Git-based workflows and CI/CD tools, Experience integrating and working with RESTful APIs, Fluent English, Availability for part-time work (10–20 hours/week) with US time zone overlap 📃 Skills: Flutter, Dart, IoT, CoreData, Realm, Firestore, Supabase, PostgreSQL, Android, iOS, Windows, macOS, Git, GitHub, GitLab, GitHubActions, Jenkins, REST, Postman 🏢 Description: #5084 Our client is a leading innovator in the U.S. market, creating cutting-edge, high-end smart beds engineered for superior performance. We are looking for a Senior Flutter Developer who is technically proficient, proactive, and excels in collaborative environments. Responsibilities: Collaborate closely with the development team to design and implement high-quality software solutions using Flutter technologies Develop, test, and maintain mobile applications that meet internal and external client expectations Analyzing and improving application performance Bug fixing Ensure code quality, performance, and scalability through continuous improvement and best practices Requirements: Proven experience in mobile development with Flutter and Dart Experience working with IoT project Experience working with CoreData, Realm, Firestore, Supabase PostgreSQL Knowledge of operating system Android, iOS, Windows, macOS Knowledge of tools and technologies GitHub Actions, Jenkins, Git, GitHub, GitLab, RESTful APIs,  Postman Fluency in English language for effective communication Ability to work part-time (10-20 hours/week), ideally with at least 2-hour overlap with US time zones

🏢 Summary: Long-term, fully remote contract for a Senior Java Developer to design, develop and maintain advanced backend and fullstack applications in an international consulting environment. The role involves working with Java and Spring Boot, as well as Flutter/Dart and Angular, across the full software development lifecycle. The position includes architectural influence, strong focus on software design principles, and high testing standards. 🗂️ Requirements: Java 17-21, Spring Boot 3.x, Flutter and Dart, Angular 16/17, Full SDLC knowledge, Software Design principles, SOLID principles, Object-Oriented principles, Unit Testing, Integration Testing, English B2/C1 📃 Skills: Java, SpringBoot, Flutter, Dart, Angular, SDLC, SOLID, OOP, UnitTesting, IntegrationTesting, CSharp, .NET, SQL 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko Senior Java Developer. Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową dla brytyjskiej firmy technologicznej. Projektowanie, rozwijanie i utrzymywanie zaawansowanych aplikacji backendowych oraz fullstack'owych z wykorzystaniem Java i Spring Boot. Tworzenie i rozwijanie aplikacji mobilnych oraz webowych przy użyciu Flutter/Dart oraz Angular. Aktywny udział w pełnym cyklu wytwarzania oprogramowania (SDLC) - od analizy wymagań po wdrożenie. Projektowanie i implementacja rozwiązań zgodnych z zasadami Software Design, SOLID Principles oraz OO Principles. Tworzenie testów jednostkowych i integracyjnych zgodnie z najlepszymi praktykami testowania oprogramowania. Współpraca z zespołem w zakresie kształtowania kierunku technicznego projektu. Możliwy udział w pracach z wykorzystaniem C# .NET 9 oraz baz danych SQL. Oczekujemy: Znajomości Java w wersji 17-21 . Kandydat powinien swobodnie pracować z nowoczesnymi funkcjonalnościami języka (np. records, pattern matching, virtual threads w nowszych wersjach). Praktycznego doświadczenia ze Spring Boot 3.x.x lub nowszym. Znajomości Flutter/Dart w zakresie tworzenia aplikacji mobilnych/multiplatformowych. Znajomości Angular w wersji 16/17. Dojrzałego zrozumienia SDLC - znajomość pełnego cyklu życia oprogramowania. Dobrej znajomości zasad Software Design (umiejętność projektowania aplikacji i architektury), SOLID Principles i OO Principles. Dojrzałego podejścia do testowania oprogramowania – Unit Testing i Integration Testing. Kompetencji w zakresie wpływania na decyzje techniczne i kierunek architektoniczny projektu. Mile widziane: znajomość C# .NET 9 oraz doświadczenie z SQL. Znajomości języka angielskiego na poziomie B2 lub C1 - umożliwiającej swobodną komunikację w międzynarodowym środowisku. Mile widziana dostępność ASAP; akceptowalny jest maksymalnie miesięczny okres wypowiedzenia ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 160 - 190 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Współpraca w pełni zdalna w godzinach 9:00-17:30 czasu brytyjskiego. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 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: Long-term remote B2B contract for a Senior Java Developer to design, develop and maintain advanced backend and fullstack applications in an international consulting environment. The role involves working with Java and Spring Boot, contributing to Angular-based frontend development, and participating in the full SDLC. The position includes architectural influence, code quality ownership, and implementation of best software design and testing practices. 🗂️ Requirements: Java 17-21, Spring Boot 3.x, Angular 16/17, Experience with full SDLC, Knowledge of Software Design principles, Knowledge of SOLID principles, Knowledge of OOP principles, Unit Testing, Integration Testing, Ability to influence technical and architectural decisions, English B2/C1, Maximum 1-month notice period 📃 Skills: Java, SpringBoot, Angular, SDLC, SOLID, OOP, UnitTesting, IntegrationTesting, Hibernate, Maven, Git 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko Senior Java Developer. Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową dla brytyjskiej firmy technologicznej. Projektowanie, rozwijanie i utrzymywanie zaawansowanych aplikacji backendowych oraz fullstack'owych z wykorzystaniem Java i Spring Boot. Tworzenie i rozwijanie aplikacji mobilnych oraz webowych przy użyciu Flutter/Dart oraz Angular. Aktywny udział w pełnym cyklu wytwarzania oprogramowania (SDLC) - od analizy wymagań po wdrożenie. Projektowanie i implementacja rozwiązań zgodnych z zasadami Software Design, SOLID Principles oraz OO Principles. Tworzenie testów jednostkowych i integracyjnych zgodnie z najlepszymi praktykami testowania oprogramowania. Współpraca z zespołem w zakresie kształtowania kierunku technicznego projektu. Możliwy udział w pracach z wykorzystaniem C# .NET 9 oraz baz danych SQL. Oczekujemy: Znajomości Java w wersji 17-21 . Kandydat powinien swobodnie pracować z nowoczesnymi funkcjonalnościami języka (np. records, pattern matching, virtual threads w nowszych wersjach). Praktycznego doświadczenia ze Spring Boot 3.x.x lub nowszym. Znajomości Angular w wersji 16/17. Dojrzałego zrozumienia SDLC - znajomość pełnego cyklu życia oprogramowania. Dobrej znajomości zasad Software Design (umiejętność projektowania aplikacji i architektury), SOLID Principles i OO Principles. Dojrzałego podejścia do testowania oprogramowania – Unit Testing i Integration Testing. Kompetencji w zakresie wpływania na decyzje techniczne i kierunek architektoniczny projektu. Mile widziane: znajomość Flutter/Dart w zakresie tworzenia aplikacji mobilnych/multiplatformowych. Mile widziane: znajomość C# .NET 9 oraz doświadczenie z SQL. Znajomości języka angielskiego na poziomie B2 lub C1 - umożliwiającej swobodną komunikację w międzynarodowym środowisku. Mile widziana dostępność ASAP; akceptowalny jest maksymalnie miesięczny okres wypowiedzenia ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 160 - 190 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Współpraca w pełni zdalna w godzinach 9:00-17:30 czasu brytyjskiego. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 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: Freelance Senior Flutter Developer role focused on building high-quality mobile applications for IoT and connected device projects. The position involves close collaboration with engineering teams to deliver new features, improve app reliability, and contribute to innovative product development. This is a remote B2B opportunity with potential for long-term cooperation. 🗂️ Requirements: Advanced knowledge of Flutter SDK, Advanced knowledge of Dart, Working knowledge of iOS, Working knowledge of Android, Experience with BLE, Experience with flutter_blue_plus, Scrum or Agile experience, English B2 level minimum 📃 Skills: Flutter, Dart, iOS, Android, BLE, flutter_blue_plus, Scrum, Agile, Jira, Confluence, Slack, Zoom, GSuite 🏢 Description: We’re currently seeking a passionate freelance Senior Flutter Developer to join our forthcoming projects. As a freelancer cooperating with intent, you'll have the chance to work on diverse IoT projects, contributing your expertise to our team. intent has over 10+ years of experience in helping to conceptualize, design, and build apps for IoT and connected devices. We're a software house that acts as a specialized think partner for products at the intersection of physical and digital (like wearables and IoT) - from net-new to products looking to enter a competitive and established niche. Some of our clients include Oura, BOSE, and McIntosh audio systems. 💎 Requirements : Advanced knowledge of Flutter and Dart, working knowledge of iOS and Android, English min. B2. 💰 Salary: 15 - 30K net on B2B depending on your experience. 🏝️ Perks and benefits: 100% remote work, flexible working hours, and knowledge-sharing initiatives. Moreover, if after a few months of working together, we're all on the same page, then definitely we’ll gladly invite you to join our internal intent team for long-term collaboration and you’ll enjoy all the benefits, such as paid holidays, paid sick leave, training budget, and much more! What we expect: Knowing your way around the Flutter SDK, bonus points for commercial experience Advanced knowledge of Dart programming language. Working knowledge of iOS and Android platforms. Experience with BLE, particularly using the flutter_blue_plus library. At least B2 English skills (both written and spoken). Out-of-the-box thinking and creativity (we care about your problem-solving skills, not the lines of code you write). Willingness to adopt our programming style and suggest new ideas Keeping track of industry developments and taking the initiative to incorporate these into the company technologies. Engagement and team-play. Willingness to participate in the events outside .intent (such as hackathons, conferences, etc.) and share your knowledge inside .intent. Scrum (or other Agile) development method experience. Attention to detail. What you'll do: Delivering world-class mobile apps. Work closely with the engineering team to deliver exciting new features. Improve reliability by fixing issues reported by the QA team. Brainstorm potential product improvements. Participate in knowledge-sharing activities within and outside of intent. Tools you’ll use: Jira, Confluence. Slack, Zoom, GSuite. Recruitment process: A screening call with an HR person (45 mins). A technical interview (60-90 mins). Final feedback received within a week after the interview. Join us on this exciting journey where you'll have the opportunity to work on groundbreaking projects and shape the future of the IoT industry. Embrace the challenge, unleash your creativity, and be part of a team that is passionate about making a real impact in the world of technology 🦾

🏢 Summary: Remote Flutter Developer role focused on designing and implementing new application modules using the Flutter framework. The position involves developing mobile solutions in a collaborative environment with modern project management practices. It is a fully remote opportunity. 🗂️ Requirements: Minimum 4 years of commercial experience as a Flutter Developer, Strong knowledge of Flutter, Strong knowledge of Dart, Experience with XCode and/or Android Studio 📃 Skills: Flutter, Dart, XCode, AndroidStudio, Git, CICD, iOS, Android, Agile 🏢 Description: Jesteśmy polskim software housem. Od ponad 6 lat współpracujemy z sukcesami z firmami z całego świata. Nasi klienci realizują ciekawe projekty, cechują się wysoką kulturą pracy i sprawnie zarządzają projektami. Dbamy o luźną atmosferę, elastyczność i chcemy czerpać przyjemność z każdego projektu. Brzmi interesująco? Mamy ogromne potrzeby rekrutacyjne – jeśli nie spełniasz wszystkich wymagań, nie rezygnuj z wysłania aplikacji, wszystkich kandydatów poznamy z ogromną przyjemnością! Twoje zadania: projektowanie i wdrażanie nowych modułów aplikacji przy użyciu frameworka Flutter Czego oczekujemy: min. 4-letnie doświadczenie zawodowe jako programista Flutter, znajomość (wszystkich lub wybranych): Flutter Dart XCode Android Studio Mile widziane: CI/CD Git doświadczenie w tworzeniu aplikacji na platformy iOS lub Android, doświadczenie w pracy w środowisku Agile, dbałość o jakość tworzonego kodu zgodnie z dobrymi praktykami programowania, umiejętność pracy zespołowej oraz dobrej organizacji zadań, znajomość j. angielskiego na poziomie umożliwiającym swobodną komunikację i pracę z dokumentacją techniczną, znajomość j. polskiego na poziomie umożliwiającym komunikację, komunikatywność, otwartość i zaangażowanie. Lokalizacja: 100% zdalnie

🏢 Summary: Freelance Mobile Applications Developer role focused on building high-performance Flutter-based applications for a solar industry SaaS platform. The position involves developing mission-critical, low-latency mobile solutions that process large-scale data and deliver outstanding user experience. The project runs until the end of 2026 with potential extension. 🗂️ Requirements: Extensive experience in mobile application development, Experience developing mobile applications using Flutter, 5+ years of Native Android development experience (Java or Kotlin), Strong understanding of object-oriented design principles, Experience working with AI-based development tools, Ability to build adaptive, user-friendly mobile UIs, Ability to write clean, testable, and efficient code, Experience optimizing application performance and scalability 📃 Skills: Flutter, Android, Java, Kotlin, OOP, AI, SaaS 🏢 Description: Project description: We are looking for a top-tier Mobile Applications Developer to join our team and help us build cutting-edge software solutions for the Solar Industry. Our platform focuses on designing and monitoring solar fields, processing large-scale data in a SaaS environment, ensuring fast response times, and delivering an outstanding user experience. If you are a passionate Flutter developer who cares deeply about user experience, intuitive interactions, and modern app design, and you are ready to take on the challenge of building high-quality, mission-critical mobile applications, this role is for you. Requirements: Extensive experience in mobile application development Experience in developing mobile applications using Flutter 5+ years of experience in Native Android development (Java / Kotlin) Strong understanding of object-oriented design principles and concepts Experience working with AI-based development tools Proven ability to build adaptive, user-friendly, and flexible mobile UIs Team player with excellent communication skills Passion for high-quality code, performance optimization, and intuitive user experiences Main responsibilities: Design and develop high-volume, low-latency mobile applications for mission-critical systems, ensuring high availability and top performance Contribute to all phases of the software development lifecycle Write clean, well-designed, testable, and efficient code Prepare and deliver software component releases Collaborate closely with cross-functional teams to ensure seamless integration and optimal user experience Continuously improve application performance, usability, and scalability This is a freelance, project-based engagement with no additional benefits, offering the opportunity to work on a clearly defined initiative scheduled to run until the end of 2026, with a possibility of extension depending on project needs and performance.

🏢 Summary: Long-term contract for a Senior Frontend React Developer to build and maintain web applications for international clients within a leading consulting environment. The role focuses on developing React.js solutions in monolithic and microfrontend architectures, improving legacy code, and delivering pixel-perfect, responsive UI. Work is conducted in Agile teams with a hybrid model in Kraków. 🗂️ Requirements: Minimum 3 years commercial experience as Developer/Software Engineer, Strong experience with React.js, Strong knowledge of JavaScript and TypeScript, Strong knowledge of HTML5 and CSS3, Experience with CSS preprocessors (SASS, Less), Experience with Jest and Testing Library React, Experience building responsive web applications (Desktop, Mobile), Knowledge of accessibility standards, Knowledge of cross-browser compatibility, Experience with JSON and XML data handling, Experience working in Scrum/Agile, English level B2/C1, Availability to work hybrid in Kraków (6 days/month) 📃 Skills: React, JavaScript, TypeScript, HTML5, CSS3, SASS, Less, Jest, TestingLibrary, JSON, XML, Scrum, Agile 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko: Senior Frontend React Developer . Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową, świadczącą usługi IT dla dużych i średnich firm z różnorodnych sektorów. Rozwój kodu React.js w architekturze monolitycznej oraz w oparciu o microfrontends. Debugowanie istniejącego kodu oraz nawigacja w legacy codebases. Pisanie unit testów z wykorzystaniem Jest i Testing Library React. Uczestnictwo w ceremoniach Scrum/Agile. Konsultowanie i proponowanie rozwiązań technicznych. Tworzenie pixel perfect UI zgodnie z dostarczonymi specyfikacjami. Projektowanie responsywnych interfejsów GUI na Desktop i Mobile. Oczekujemy: Minimum 3 lat doświadczenia komercyjnego jako Developer / Software Engineer, w tym w CSS, JavaScript i React.js. Doskonałej znajomości HTML5, CSS3 oraz pre-procesorów CSS (SASS, Less i pokrewnych). Doskonałej znajomości React.JS. Doskonałej znajomości JavaScript i TypeScript. Doświadczenia w pracy z frameworkami do testowania frontendu: Jest i Testing Library React. Doświadczenia w tworzeniu responsywnych aplikacji webowych na Desktop i Mobile. Dobrej znajomości standardów dostępności (accessibility) oraz cross-browser compatibility. Dobrej znajomości marshallingu/de-marshallingu danych w formatach JSON i XML. Mile widziane: doświadczenie z GCP, znajomość Docker, znajomość JIRA/Confluence. Gotowości do pracy w modelu hybrydowym: wymagana obecność w biurze klienta w Krakowie – 6 dni w miesiącu. Znajomości języka angielskiego na poziomie B2 lub C1 – umożliwiającej swobodną komunikację w międzynarodowym środowisku. Mile widziana dostępność ASAP; akceptowalny jest maksymalnie miesięczny okres wypowiedzenia ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 120-140 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.