React Native Developer 0,6+ FTE

🏢 Summary: The offer is for a React Native Developer to design, implement, and optimize high-quality mobile applications for a Polish client. The role involves developing new features and maintaining existing products for both iOS and Android platforms. Work is primarily remote with occasional visits to Warsaw. 🗂️ Requirements: Minimum 3 years of experience in mobile application development, Strong knowledge of React Native for iOS and Android, Experience publishing and maintaining apps in App Store, Experience publishing and maintaining apps in Google Play, Ability to optimize mobile applications for performance on iOS and Android 📃 Skills: React, ReactNative, JavaScript, iOS, Android, AppStore, GooglePlay 🏢 Description: Dołącz do nas jako React Native Developer i twórz wysokiej jakości aplikacje mobilne dla polskiego klienta. Szukamy osoby, która sprawnie porusza się w ekosystemie iOS i Android. Zakres obowiązków: Projektowanie i implementacja aplikacji mobilnych w React Native. Optymalizacja aplikacji pod kątem wydajności na obu platformach (iOS/Android). Rozwój nowych funkcjonalności i utrzymanie istniejących produktów. Wymagania: Minimum 3 lata doświadczenia w tworzeniu aplikacji mobilnych. Bardzo dobra znajomość frameworka React Native dla iOS i Android. Doświadczenie w publikacji i utrzymaniu aplikacji w sklepach (App Store/Google Play). Praca zdalna z okazjonalnymi wizytami w Warszawie .

🏢 Summary: Oferta dotyczy krótkoterminowego projektu typu greenfield polegającego na całkowitym przepisaniu istniejącej aplikacji natywnej od zera w technologii React Native. Poszukiwana jest doświadczona osoba, która wesprze zespół w zaprojektowaniu nowej architektury i dostarczaniu wysokiej jakości kodu. Projekt przewidziany jest na około 3,5 miesiąca w modelu B2B. 🗂️ Requirements: Komercyjne doświadczenie na stanowisku Senior React Native Developer, Doświadczenie w budowaniu aplikacji mobilnych od podstaw (from scratch), Zrozumienie specyfiki aplikacji natywnych, Biegła znajomość języka polskiego, Znajomość języka angielskiego na poziomie minimum B2 📃 Skills: React, ReactNative, JavaScript, TypeScript, Mobile, Android, iOS 🏢 Description: Obecnie dla naszego klienta poszukujemy doświadczonego Senior React Native Developera . Dołączysz do projektu, którego głównym celem jest całkowity rebuild istniejącej aplikacji natywnej – będziesz pisać ją zupełnie od zera w technologii React Native. Szukamy osoby z dużą samodzielnością techniczną, która wesprze zespół swoim doświadczeniem przy tworzeniu nowej architektury i dostarczaniu wysokiej jakości kodu. Szczegóły współpracy: Rodzaj projektu: Rebuild istniejącej aplikacji natywnej (pisanie od zera w React Native). Czas zaangażowania: Wstępnie 3,5 miesiąca. Data startu: 15.07 (z potencjalnym zaangażowaniem na kilka godzin już w tym tygodniu w celu sprawnego onboardingu/setupu). Stawka: 115 - 120 zł netto/h. Rodzaj umowy: B2B. Czego oczekujemy: Komercyjnego doświadczenia na stanowisku Senior React Native Developera. Doświadczenia w budowaniu aplikacji mobilnych od podstaw ("from scratch"). Ogólnego zrozumienia specyfiki aplikacji natywnych (co znacząco ułatwi proces przepisywania istniejącego rozwiązania). Biegłej, płynnej znajomości języka polskiego (komunikacja w zespole). Znajomości języka angielskiego na poziomie minimum B2. Oferujemy: Jasne i przejrzyste warunki finansowe (115-120 zł/h B2B). Ciekawą pracę przy projekcie typu "greenfield", gdzie masz realny wpływ na to, jak nowa aplikacja zostanie zbudowana. Sprawny i szybki proces rekrutacyjny.

🏢 Summary: B2B role for an experienced React Native Developer to build and continuously enhance a multi‑module mobile platform in the energy sector. The position focuses on developing new features for a scalable mobile application used as a base for multiple products, working in a hybrid model. 🗂️ Requirements: Minimum 4 years experience as React Native Developer, Strong knowledge of TypeScript, Experience with MobX, Experience with Jest, Experience in multi-module architecture, English level B2 or higher 📃 Skills: ReactNative, TypeScript, MobX, Jest, JavaScript, English 🏢 Description: React Native Developer W ITLT pomagamy naszym zaprzyjaźnionym firmom przekształcać ambitne pomysły w cyfrową rzeczywistość. Z nastawieniem na wyzwania, ciekawość technologii i zwinność współtworzymy wyjątkowe rozwiązania IT i zapewniamy doświadczone osoby eksperckie, które pomagają przyspieszać cyfrową transformację. Aktualnie poszukujemy profilu na stanowisko: React Native Developer Informacje organizacyjne: Stawka: B2B 140 - 160 PLN netto+vat/h Tryb pracy: hybrydowy (2 dni z biura/3 dni zdalnie) Sektor: energetyczny Technologie na projekcie: React Native, TypeScript, MobX Zakres prac: Będziesz współtworzył aplikację opartą na wielomodułowej platformie, która posłuży jako baza dla wielu innych aplikacji. Twoje główne zadania będą opierać się na tworzeniu nowych funkcji do aplikacji (ciągły rozwój), skupisz się na platformach mobilnych. Oczekiwania: Co najmniej 4 letnie doświadczenie jako React Native Developer. Znajomość TypeScript, MobX, Jest. Angielski m.in B2 (projekt jest w języku angielskim). Doświadczenie w projektowaniu i rozwijaniu aplikacji w architekturze multi-modularnej (multi-module architecture) Oferujemy: Długofalowe stabilne zatrudnienie w oparciu o kontrakt B2B. Szansa na rozwój w dużej strukturze, bezpośredni kontakt z Managerem zespołu. Praca w firmie, w której IT jest dojrzałe i globalne, a metodyki zwinne są respektowane. Dopłata do karty MultiSport oraz ubezpieczenia. Godziny startu pracy 7:30 - 9:30. Sprawny proces rekrutacyjny (wideokonferencja), maksymalnie 2 spotkania online (pierwsze z kimś z zespołu, drugie z Managerem).

🏢 Summary: Contract role for a Senior React Native Developer to build and maintain mobile applications for a robot control and task management platform. The position involves developing cross‑platform solutions for iOS and Android, contributing to architecture decisions, implementing new features, and optimizing performance. Remote work within CET hours with a potential project extension. 🗂️ Requirements: 4+ years commercial software development experience, Strong ReactNative knowledge, Strong TypeScript knowledge, Experience with REST API integration, Understanding of AppStore release process, Understanding of GooglePlay release process, Experience working in Agile teams, Proficiency with Git 📃 Skills: ReactNative, TypeScript, REST, Git, Agile, iOS, Android, AppStore, GooglePlay 🏢 Description: Senior React Native Developer Remote (CET working hours) Start: 01.06 Cooperation until 30.09 with possible extension Rate: 120 - 135zł/h We are looking for an experienced Senior React Native Developer to join an international project focused on a robot control and task management platform . You will be responsible for building and maintaining modern mobile applications for both iOS and Android , collaborating closely with the team on application architecture, new features implementation, and performance optimization. Requirements 4+ years of commercial software development experience Strong knowledge of React Native and TypeScript Experience with REST API integrations Understanding of App Store and Google Play release processes Experience working in Agile teams Good knowledge of Git Nice to have Experience with native iOS (Swift) or Android (Kotlin) development Familiarity with CI/CD pipelines for mobile applications Project domain: Robot control and task platform Scope: Mobile application development

🏢 Summary: 4-month freelance contract for a Senior React Native Developer to build and maintain a cross-platform mobile application for iOS and Android based on an existing web platform. The role focuses on implementing new features, integrating APIs, optimizing performance, and contributing to architecture and code quality. The application supports monitoring and operational control of autonomous cleaning robots in large commercial facilities. 🗂️ Requirements: Availability from July 1st, 4+ years of commercial software development experience, Strong knowledge of React Native, Strong knowledge of TypeScript, Experience with REST API integrations, Understanding of App Store release processes, Understanding of Google Play release processes, Experience working in Agile teams, Proficiency with Git 📃 Skills: React, ReactNative, TypeScript, REST, Git, iOS, Android, Swift, Kotlin, CI/CD, Agile 🏢 Description: We are looking for an experienced Senior React Native Developer responsible for building and maintaining modern mobile applications for both iOS and Android platforms. The person in this role will collaborate closely with the project team on application architecture, implementation of new features, and performance optimization. This is a 6-month freelance contract (with a possibility of extension, though not guaranteed). Requirements: Availability starting July 1st 4+ years of commercial software development experience strong knowledge of React Native and TypeScript experience with REST API integrations understanding of App Store and Google Play release processes experience working in Agile teams good knowledge of Git Nice to have: experience with native iOS (Swift) or Android (Kotlin) development familiarity with CI/CD pipelines for mobile applications experienced in using AI tools in day-to-day workflow Responsibilities: Develop and maintain a cross-platform mobile application using React Native for iOS and Android. Implement new features based on the existing web application and business requirements. Collaborate with backend, web, QA, and product teams to ensure seamless integration and consistent user experience. Integrate REST APIs and real-time communication mechanisms. Optimize application performance, stability, and scalability. Participate in architecture discussions, code reviews, and technical decision-making. Troubleshoot, debug, and resolve application issues. Contribute to improving development standards, CI/CD processes, and overall code quality Project description: Development of a mobile application based on an existing web platform used for managing autonomous cleaning robots operating in shopping malls, airports, and other large commercial facilities. The application will support robot monitoring, task management, real-time status tracking, and operational control for end users.

🏢 Summary: The role involves developing a React Native mobile application for smart energy management, integrating IoT devices and analytics features. You will build high-performance UI components, enable secure communication with HVAC hardware, and implement data visualization modules while collaborating on Azure-based REST APIs. 🗂️ Requirements: 5+ years of commercial experience with React Native, Experience building mobile UI components and application architecture, Knowledge of secure communication between mobile apps and IoT/hardware systems, Experience with REST API integration and JSON data handling, Ability to optimize mobile app performance and troubleshoot bottlenecks, Fluency in English, Residing in Poland 📃 Skills: React, ReactNative, JavaScript, TypeScript, REST, JSON, Azure, IoT, HVAC 🏢 Description: We are looking for a React Native Developer to join a project for a global energy‑tech leader. You will help build a mobile application that supports smart energy management in homes and commercial spaces. The role connects mobile development, IoT, and modern analytics features Your tasks Develop high‑performance, reusable UI components for mobile apps using React Native Implement secure and low‑latency communication between mobile devices and HVAC hardware Build data visualization modules for energy usage, savings, and indoor air quality insights Collaborate with backend developers to define and consume RESTful APIs hosted on Azure Diagnose and resolve performance issues in complex, data‑heavy scenarios Requirements At least 5 years of experience working with React Native in commercial projects Strong skills in building mobile UI components and app architecture Good understanding of secure communication between mobile apps and hardware/IoT systems Ability to work with API integrations and JSON data handling Experience optimizing app performance and troubleshooting bottlenecks Fluency in English Residing in Poland required

🏢 Summary: Long-term remote B2B contract for a Senior React Native Developer to build and scale a greenfield mobile application for iOS and Android from scratch. The role focuses on delivering a high-traffic, content-driven app with personalisation, real-time engagement features, and scalable architecture. Strong ownership and direct collaboration with international product teams are expected. 🗂️ Requirements: 5+ years commercial experience with React Native, Experience building production mobile apps from scratch, Experience with iOS and Android platforms, Experience with REST API integrations, Experience with CMS or DAM integrations, Experience implementing push notifications, Experience implementing deep linking, Experience with analytics and event tracking, Experience with performance optimisation, Experience with A/B testing or personalisation platforms, Experience with App Store and Google Play release processes, Experience with unit or component testing, English level C1+, Availability before Q3 start, Ability to work on B2B contract 📃 Skills: React, ReactNative, JavaScript, TypeScript, iOS, Android, REST, CMS, DAM, Firebase, Amplitude, Analytics, A/B, Testing, Push, DeepLinking, Node.js, Next.js, Mapbox, GoogleMaps 🏢 Description: Senior React Native Developer (iOS & Android) We are looking for an experienced Senior Mobile Developer (React Native) to join a long-term international project for a premium luxury retail brand. You will work on a completely new mobile product built from scratch for both iOS and Android, serving 250k+ daily users from launch. The project focuses on creating a modern, content-driven mobile experience with personalised feeds, exclusive offers, and real-time customer engagement features. This is a greenfield project with no legacy code and strong ownership opportunities from day one. Project Details 100% Remote Full-time (40h/week) B2B contract Rate: 100 - 125 PLN/h net Long-term cooperation (9 months + possible extension) Start: ASAP / Q3 Required overlap: 14:00–18:00 CET Occasional travel: max once per quarter English: C1+ required Responsibilities Building and maintaining a React Native mobile application for iOS and Android Designing scalable mobile architecture from scratch Integrating CMS, APIs, personalisation and experimentation platforms Implementing push notifications, deep linking and campaign flows Optimising app performance for high-traffic environments Collaborating directly with an international client and product teams Ensuring code quality through testing and best engineering practices Must-Have Requirements 5+ years of commercial React Native experience Strong experience with both iOS and Android applications Experience delivering production mobile apps from scratch Hands-on experience with: REST API integrations CMS / DAM integrations Push notifications Deep linking Analytics & event tracking Performance optimisation A/B testing or personalisation platforms Experience with App Store & Google Play release processes Good testing practices (unit/component testing) English level C1+ (spoken and written) Nice to Have Firebase / Amplitude Feature flagging & experimentation platforms Headless CMS in retail or e-commerce Streaming APIs AI-assisted features GDPR / consent management tooling Google Maps / Mapbox E2E testing Node.js / React / Next.js Polish language skills Important Please apply only if: you are available before the Q3 project start, you have commercial React Native experience for both iOS and Android, you can work on a B2B basis (Polish entity preferred). Recruitment Process CV review & pre-screening Technical interview Client interview (in English) Offer If you’re interested, send: your CV in English, your availability, expected hourly rate (B2B, net PLN), short information about your experience with React Native and CMS/personalisation integrations.

🏢 Summary: Senior React Native Developer role focused on building and evolving a global mobile platform with digital services and loyalty programs used by millions of users. The position involves architectural decision-making, development of complex multi-module applications, native integrations, and mentoring within the team. The offer includes long-term cooperation, access to modern technologies, and a hybrid work model in Warsaw. 🗂️ Requirements: Minimum 5 years of commercial software development experience, At least 4 years of hands-on experience with React Native, Expert knowledge of TypeScript, Strong experience with modern JavaScript, Practical experience with MobX, Knowledge of React Query or TanStack Query, Experience with React Hooks, Experience building and maintaining native modules for iOS and Android, Experience working with REST API and GraphQL, Experience with CI/CD processes, English proficiency at minimum C1 level, Availability to work in hybrid mode (2 days per week in Warsaw office) 📃 Skills: React, ReactNative, TypeScript, JavaScript, MobX, ReactQuery, TanStackQuery, REST, GraphQL, CI/CD, iOS, Android 🏢 Description: Wspólnie z naszym Partnerem z sektora paliwowo-detalicznego poszukujemy doświadczonej osoby na stanowisko Senior React Native Developer . Projekt to globalna platforma mobilna z usługami cyfrowymi i programami lojalnościowymi, z której korzystają miliony użytkowników. Jej wielomodułowa architektura pozwala na ponowne wykorzystanie kodu i szybkie wdrażanie nowych funkcji. 💡 TWOJA ROLA Projektowanie, rozwój i utrzymanie złożonych aplikacji mobilnych w oparciu o React Native oraz TypeScript . Prowadzenie przeglądów kodu, mentoring zespołu oraz promowanie dobrych praktyk inżynierskich. Podejmowanie decyzji architektonicznych i rozwój wielomodułowej platformy mobilnej. Doskonalenie wydajności, niezawodności, skalowalności i utrzymywalności aplikacji. Prowadzenie dyskusji technicznych oraz współtworzenie projektów rozwiązań. Identyfikacja długu technologicznego i inicjowanie usprawnień w bazie kodu. Integracja natywnych funkcji mobilnych oraz usług zewnętrznych. 🔍 CZEGO OCZEKUJEMY OD CIEBIE? Co najmniej 5-letnie komercyjne doświadczenie w wytwarzaniu oprogramowania, w tym minimum 4 lata praktyki z React Native . Ekspercka znajomość TypeScript i nowoczesnego JavaScript oraz rozległe doświadczenie z MobX . Dobra znajomość React Query/TanStack Query , strategii synchronizacji danych oraz React Hooks Doświadczenie w tworzeniu i utrzymaniu modułów natywnych dla iOS oraz Android . Praca w trybie hybrydowym , dwa dni w tygodniu w biurze w Warszawie. Doświadczenie z REST API , GraphQL oraz procesami CI/CD . Znajomość języka angielskiego na poziomie co najmniej C1 . ✨ OFERUJEMY 🤖 Nowoczesny proces rekrutacji z AI Rekruterem (AIR) - podczas aplikacji możesz odbyć rozmowę z wirtualnym rekruterem 24/7, bez czekania na telefon. Dostajesz natychmiastowy feedback, a finalną decyzję zawsze podejmuje Rekruter Connectis. Uczestnictwo w spotkaniach integracyjnych oraz meetupach technologicznych, umożliwiających dzielenie się wiedzą i doświadczeniem. Wsparcie dedykowanej osoby kontaktowej z Connectis, dostępnej w celu pomocy w sprawach związanych z projektem. Rozwój kariery i długofalową współpracę w firmie o ugruntowanej pozycji na rynku. Dostęp do najnowszych technologii i narzędzi pracy. 5000 PLN za polecenie znajomego do projektów. Szybki i zdalny proces. Dziękujemy za wszystkie zgłoszenia. Informujemy, że skontaktujemy się wyłącznie z wybranymi osobami. 12933/MP

🏢 Summary: The role focuses on integrating React Native solutions into an existing native iOS/Android mobile platform, designing architecture and implementing hybrid modules within a mature codebase. The position involves bridging React Native and native layers, optimizing performance, and contributing to scalable, maintainable mobile architecture. 🗂️ Requirements: Strong commercial experience with React Native, Experience in native mobile development (iOS and/or Android), Understanding of mobile application architecture, Experience integrating React Native with native applications, Ability to implement cross-layer communication and bridging, Experience with navigation and state management, Familiarity with CI/CD processes and build tools, Focus on code quality and performance optimization 📃 Skills: React, ReactNative, JavaScript, TypeScript, iOS, Android, Swift, Kotlin, Objective-C, Java, CI/CD, Git, Xcode, Gradle 🏢 Description: We are looking for an experienced React Native Developer to support the integration of React Native solutions into an existing native mobile platform (iOS/Android). Responsibilities: Designing and implementing an architectural approach to combine React Native components with the native application Analyzing the current mobile architecture and identifying optimal integration points Implementing and developing React Native modules within the existing native codebase Ensuring scalability, performance, and maintainability of the solution Handling communication between native and React Native layers (data flow, bridging) Contributing to and optimizing build/deployment processes Maintaining high code quality and alignment with platform standards Close collaboration with iOS and Android teams to ensure smooth integration of new features Requirements: Strong knowledge of React Native with proven commercial experience Experience in native mobile development (iOS and/or Android) Solid understanding of mobile application architecture Experience integrating hybrid solutions with native applications Ability to work with navigation, state management, and cross-layer communication Familiarity with CI/CD processes and build tools Strong focus on code quality, performance, and readability Good teamwork and communication skills Nice to have: Experience working with large, existing mobile systems Knowledge of mobile performance optimization best practices Experience working in Agile environments We offer: Opportunity to work on a modern mobile platform Collaboration with an experienced development team Real impact on architecture and product direction Flexible working conditions

🏢 Summary: Mid+/Senior Mobile Developer role focused on building and maintaining a complex React Native application for Android and iOS. The position involves delivering high-performance, user-centric mobile solutions with features like geolocation, EV charging integration, and CarPlay support. You will collaborate cross-functionally to ensure code quality, stability, and scalable mobile architecture. 🗂️ Requirements: 4+ years commercial mobile development experience, Expert knowledge of React Native, Strong JavaScript proficiency, Strong TypeScript proficiency, Experience with REST or GraphQL APIs, Deep understanding of mobile build and release processes, Experience publishing to App Store or Google Play, Knowledge of mobile testing practices, Ability to design mobile application architecture 📃 Skills: ReactNative, JavaScript, TypeScript, REST, GraphQL, Android, iOS, Kotlin, Java, Swift, CICD, CarPlay, Geolocation, AppStore, GooglePlay 🏢 Description: Tech stack: React Native mobile ecosystem JavaScript TypeScript REST/GraphQL Requirements: 4+ years of commercial experience in mobile development (Android and/or iOS). Expert-level knowledge of React Native . A "mobile-first" mindset with experience in building complex mobile applications. Deep understanding of the mobile ecosystem (build processes, testing, and store publication). Strong proficiency in JavaScript and TypeScript . Experience integrating with APIs ( REST / GraphQL ). Strong problem-solving skills and the ability to work effectively both independently and in a team. About the Role: We are looking for an experienced Mobile Developer (Mid+ or Senior level) with at least 4 years of commercial experience in building mobile applications for Android and/or iOS. The ideal candidate is a mobile-first specialist—we are looking for someone whose expertise is rooted deeply in the mobile ecosystem rather than web development. You should have a strong command of React Native and a passion for creating high-performance, user-centric mobile experiences. The Project: You will join a project for a major international corporation in the energy and chemical sector . We are developing a modern mobile application for B2B and B2C users that manages fuel cards, loyalty programs, and exclusive discounts. The app has a real-world impact on the daily lives of drivers, supporting them on the road and through charging infrastructure. Key features include: User Management: Smooth B2B and B2C registration and login. Benefits: Fuel card management, loyalty rewards, and discount tracking. Maps & Geolocation: Searching for stations and points of interest. E-Mobility: Starting/stopping EV charging sessions directly from the app with real-time (live) status tracking. Advanced Features: CarPlay integration (MVP) and dynamic widgets for quick access to key information. Main responsibilities: Developing and maintaining mobile applications using React Native . Collaborating closely with the Product Team, Backend Developers, and UX/UI Designers. Ensuring high code quality, application performance, and stability. Actively participating in product roadmapping and technical decision-making. Conducting code reviews and sharing knowledge with the team Nice to Have Experience with native development : Kotlin/Java (Android) or Swift (iOS). Hands-on experience with native deployment (Google Play Store / App Store, certificates, provisioning, signing). Knowledge of CI/CD pipelines tailored for mobile apps. Experience in mobile performance optimization. Background in designing mobile application architecture.