React Native Developer
2 tygodni temu
Project for international client from the heating, ventilation, and air conditioning (HVAC) technology industry. The project involves the development of a cross-platform mobile application (iOS + Android) using React Native for end users, which integrates with the company’s IoT devices. Location: Readiness to work in a hybrid work model (once a week at the client's office in Katowice). Our expectations Minimum 4 years of experience in React Native and 5+ years in general frontend development (JavaScript/TypeScript, HTML, CSS). Strong knowledge of React Native, including best practices for developing cross-platform mobile applications (iOS + Android). Experience in integrating mobile applications with IoT devices, including: reading device parameters (temperature, operating modes, energy consumption, historical data), controlling the device from within the app (schedules, on/off, operating mode settings), data synchronization with a cloud backend, handling push notifications. Ability to work with backends, microservices, and IoT platforms, including implementation of business logic and network communication. Experience with multi-brand and multi-language applications, scalable across different markets. Knowledge of mobile and integration testing, test automation, and CI/CD processes (e.g., Bitrise, GitHub Actions, Fastlane). Familiarity with tools for monitoring and debugging mobile applications. Ability to ensure application and communication security, including user authentication, data encryption, and protection of communication channels between the app, device, and cloud. Application performance optimization, including startup time, bundle size, responsiveness, offline mode handling, and connectivity issue management. Fluent English (B2). Welcome Skills Proficiency in TypeScript, Redux / MobX, React Navigation, and GraphQL. Experience working with highly scalable applications and integrating them with cloud platforms. Knowledge of UX/UI principles in the context of mobile applications. Experience in migrating existing applications to React Native or modernizing the technology stack. Understanding of mobile and IoT application security standards. Key tasks Design, development, and maintenance of mobile applications using React Native for iOS and Android platforms. Implementation of new features and optimization of existing solutions in terms of performance, security, and scalability. Integration of mobile applications with IoT devices. Participation in projects focused on developing multi-brand and multi-language applications for various markets. Creation and maintenance of unit and integration tests, as well as automation of deployment processes in a CI/CD environment. Monitoring, analysis, and debugging of application performance using appropriate tools. Ensuring a high level of application security – user authentication, data encryption, and protection of communication channels. Optimization of application performance regarding startup time, bundle size, responsiveness, offline mode support, and connectivity handling.
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React Native Developer
3 dni temu
Katowice, Polska GMI Software Pełny etatReact Native Developer – Where Your Skills Truly Matter We're looking for a React Native Developer who's ready to focus on real work: coding, solving meaningful problems, and delivering results. No unnecessary meetings, just a clear roadmap and a team that values your expertise. What we're looking for: 3 years of commercial experience with React Native...
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React Native Developer
4 tygodni temu
Katowice, śląskie, Polska GMI Software Pełny etat 12 złReact Native Developer – Where Your Skills Truly MatterWe’re looking for a React Native Developer who’s ready to focus on real work: coding, solving meaningful problems, and delivering results. No unnecessary meetings, just a clear roadmap and a team that values your expertise.What we’re looking for:3+ years of commercial experience with React Native...
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React Native Developer
3 tygodni temu
Katowice, Polska Sii Sp. z o.o. Pełny etatReact Native Developer Miejsce pracy: Katowice Technologie, których używamy Wymagane - React Native - TypeScript - MobX - git flow - JavaScript Mile widziane - GraphQL O projekcie Jesteśmy zespołem pasjonatów technologii, którzy tworzą nowoczesne aplikacje mobilne o globalnym zasięgu. Pracujemy nad projektami, które mają realny wpływ na...
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Senior React Native Developer
2 tygodni temu
Katowice, Polska 4IT SOLUTIONS sp. z o.o. Pełny etattechnologies-expected : - JavaScript - TypeScript - React Native - Redux - GitHub Actions - Fastlane technologies-optional : - Redux - MobX - React Navigation - GraphQL about-project : - Jedna z najdynamiczniej rozwijających się firm informatycznych w Polsce, która świadczy usługi tworzenia i utrzymania oprogramowania, aż po automatyzację...
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Senior React Native Developer
2 tygodni temu
Katowice, Polska 4IT SOLUTIONS sp. z o.o. Pełny etatSenior React Native Developer Miejsce pracy: Katowice Technologie, których używamy Wymagane JavaScript TypeScript React Native Redux GitHub Actions Fastlane Mile widziane Redux MobX React Navigation GraphQL System operacyjny Linux O projekcie Jedna z najdynamiczniej rozwijających się firm informatycznych w Polsce, która świadczy usługi tworzenia i...
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Senior React Native Developer
2 tygodni temu
Katowice, Polska 4IT SOLUTIONS sp. z o.o. Pełny etatSenior React Native Developer Miejsce pracy: Katowice Technologie, których używamy Wymagane - JavaScript - TypeScript - React Native - Redux - GitHub Actions - Fastlane Mile widziane - Redux - MobX - React Navigation - GraphQL System operacyjny - Linux O projekcie Jedna z najdynamiczniej rozwijających się firm informatycznych w Polsce, która...
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Senior React Native Developer
1 tydzień temu
Katowice, Polska 4IT Solutions Pełny etatPoszukujemy Senior React Native Developera dla naszego Klienta - jednej z najdynamiczniej rozwijających się firm informatycznych w Polsce, która świadczy usługi tworzenia i utrzymania oprogramowania, aż po automatyzację procesów biznesowych dla kluczowych graczy sektora finansowego, publicznego i technologicznego. Na początek konkrety: Możliwa...
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Senior React Native Developer
2 tygodni temu
Katowice, Polska 4IT Solutions Pełny etatPoszukujemy Senior React Native Developera dla naszego Klienta - jednej z najdynamiczniej rozwijających się firm informatycznych w Polsce, która świadczy usługi tworzenia i utrzymania oprogramowania, aż po automatyzację procesów biznesowych dla kluczowych graczy sektora finansowego, publicznego i technologicznego. Na początek konkrety: Możliwa...
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Senior React Native Developer
7 dni temu
Katowice, Silesia, Polska WeExpert- Universal EOR Solution For You Pełny etat 60 000 zł - 120 000 zł rocznieLocation: Katowice (hybrid model – 1 day per week in the office, Wednesdays) Initial contract: 6 months (with an option to extend up to 12 months) Workload: Full-timeWe are looking for an experienced Senior React Native Developer to join our client's technology team based in Katowice. You will be part of an international project developing modern,...
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React Native Developer
4 tygodni temu
Katowice, śląskie, Polska Britenet Pełny etat 20 zł - 160 złProject for international client from the heating, ventilation, and air conditioning (HVAC) technology industry. The project involves the development of a cross-platform mobile application (iOS + Android) using React Native for end users, which integrates with the company’s IoT devices.Location: Readiness to work in a hybrid work model (once a week at the...
