Senior React Native Developer

🏢 Summary: Hands-on Technical Lead role focused on architecting and scaling production React Native mobile applications used in real-time logistics operations. You will lead mobile development, ensure high performance and reliability in low-connectivity environments, and mentor a small engineering team. The position combines technical leadership with active coding and close collaboration with Product and Design. 🗂️ Requirements: 8+ years of software engineering experience, Strong mobile development background, 2+ years in Technical Lead or Team Lead role, Expertise in React Native, Proficiency in TypeScript, Understanding of native iOS integrations, Understanding of native Android integrations, Experience with RESTful APIs, Experience with real-time data integrations, Polish language proficiency (B2+), English language proficiency (B2+) 📃 Skills: React, ReactNative, TypeScript, iOS, Android, REST, APIs, CI/CD 🏢 Description: Ever wondered what powers the tech behind massive, real-time delivery networks? Our client is a fast-growing, US-based LogTech pioneer reshaping last-mile delivery. Their platform combines SaaS solutions with real-world logistics networks to optimize supply chain efficiency for global enterprise customers. Now, they are expanding their engineering presence in Kraków . About the Role This is a hands-on technical leadership role. You will own the architecture and development of React Native mobile apps used by drivers and operations teams. Since these apps are used on the move, your main goal will be to keep them fast, reliable, and stable—even with poor network connectivity. What you will do Design and scale the architecture of production React Native applications. Write clean code and deliver new features alongside the team. Mentor and guide a small team of mobile engineers. Set high standards for code quality, testing, security, and CI/CD pipelines. Work closely with Product and Design teams to build user-friendly mobile features. Requirements 8+ years of software engineering experience, with a heavy focus on mobile development. 2+ years of experience in a Technical Lead or Team Lead role. Strong expertise in React Native and TypeScript . Good understanding of native iOS and Android integrations. Experience working with RESTful APIs and real-time data integrations. Strong communication skills with Polish (B2+) and English (B2+) . If you are a hands-on leader ready to build reliable, real-world mobile tech, we want to hear from you. Send us your CV and let’s talk! 📞

🏢 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: Development of a cross-platform mobile application in React Native for iOS and Android integrated with IoT devices and cloud backends. The role focuses on building, integrating, and optimizing a scalable mobile app with device control, data synchronization, and secure communication. It includes testing, CI/CD automation, and performance optimization in a multi-brand, multi-language environment. 🗂️ Requirements: Minimum 4 years of experience in React Native, Minimum 5 years of experience in frontend development, Strong knowledge of cross-platform mobile development for iOS and Android, Experience integrating mobile apps with IoT devices, Experience with cloud backend integration and microservices, Experience with push notifications and data synchronization, Knowledge of mobile testing and test automation, Experience with CI/CD pipelines, Knowledge of mobile app security and data encryption, Experience with performance optimization of mobile applications, English level B2 minimum, Availability to work from office in Katowice once per week 📃 Skills: React, ReactNative, JavaScript, TypeScript, HTML, CSS, Redux, MobX, ReactNavigation, GraphQL, IoT, Microservices, CI/CD, Bitrise, GitHubActions, Fastlane, Testing, Automation, Encryption, Authentication 🏢 Description: Development of a cross-platform mobile application (iOS + Android) in React Native for end-users, integrating with the company's IoT devices. Our expectations Minimum 4 years of experience in React Native and 5+ years in general frontend development (JavaScript/TypeScript, HTML, CSS). Strong proficiency in React Native, including best practices for cross-platform mobile application development (iOS + Android). Experience in integrating mobile applications with IoT devices, including: Reading device parameters (temperature, operating modes, energy consumption, historical data). Controlling devices via the app (schedules, power on/off, operating mode settings). Data synchronization with cloud backends and handling push notifications. Ability to work with backends, microservices, and IoT platforms, including the 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 (e.g., Bitrise, GitHub Actions, Fastlane). Familiarity with mobile application monitoring and debugging tools. Ability to ensure application and communication security (user authentication, data encryption, securing communication channels between the app, device, and cloud). Application performance optimization: startup time, bundle size, responsiveness, offline mode support, and connectivity issue handling. English min. B2 level Ready to work from the office in Katowice 1x/week (the team meets on Wednesday) Welcome Skills Proficiency in TypeScript, Redux / MobX, React Navigation, and GraphQL. Experience working with applications requiring high scalability and integration with cloud platforms. Knowledge of UX/UI principles specifically for mobile applications. Experience in migrating existing applications to React Native or modernizing the technology stack. Knowledge of security standards for mobile and IoT applications.

🏢 Summary: Senior React Native Developer role focused on designing, developing, and maintaining cross-platform mobile applications using React Native. The position involves building new features, optimizing performance, integrating backend services, and ensuring high code quality. It requires strong expertise in modern JavaScript/TypeScript and mobile development practices. 🗂️ Requirements: Minimum 4 years of mobile application development experience, At least 2 years of commercial experience with React Native, Strong knowledge of JavaScript (ES6+), Strong knowledge of TypeScript, Experience with state management (Redux or Context API), Experience integrating REST API or GraphQL, Experience publishing apps to App Store and Google Play, Ability to debug and optimize mobile applications, Experience with CI/CD tools, Experience with code reviews and applying best coding practices 📃 Skills: React, ReactNative, JavaScript, TypeScript, Redux, ContextAPI, REST, GraphQL, CI/CD, iOS, Android, Swift, Objective-C, Kotlin, Java, Jest, Detox, Fastlane, Bitrise, AppCenter 🏢 Description: We are seeking an experienced Senior React Native Developer to join our team. In this role, you will be responsible for designing, developing, and maintaining mobile applications using React Native. The ideal candidate has a strong background in JavaScript/TypeScript, hands-on experience with React Native, and a solid understanding of mobile application development. Experience with native development for iOS and/or Android is a strong plus. Responsibilities Design and implement new features for mobile applications using React Native Maintain and enhance existing mobile applications Collaborate with project teams, designers, and QA engineers Optimize application performance and troubleshoot technical issues Participate in code reviews and share knowledge with the team Integrate applications with backend services (REST API, GraphQL) Apply best coding practices and ensure high code quality Requirements Minimum 4 years of experience in mobile application development, including at least 2 years with React Native Strong knowledge of JavaScript (ES6+) and TypeScript Experience with state management tools such as Redux, Context API, or similar Familiarity with publishing apps to the App Store and Google Play Ability to debug and optimize mobile applications Experience with CI/CD tools Good command of English, both written and spoken, for technical communication Nice to have Experience with native iOS development (Swift/Objective-C) and/or Android development (Kotlin/Java) Familiarity with tools like Fastlane, Bitrise, App Center Experience with mobile app testing (e.g., Jest, Detox) Understanding of mobile application security best practices 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: 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: The offer is for a Senior React Native App Developer to lead the development of a new cross-platform mobile application supporting municipal waste management in Denmark. The role involves full technical ownership, from setting up the mobile architecture to integrating REST APIs and publishing to app stores. The position focuses on delivering a scalable, high-quality solution in close collaboration with backend teams within an agile environment. 🗂️ Requirements: Strong experience with React Native, Proven experience in cross-platform mobile development, Strong proficiency in JavaScript, Strong proficiency in TypeScript, Experience publishing and maintaining apps in Apple App Store, Experience publishing and maintaining apps in Google Play Store, Solid understanding of iOS platform specifics, Solid understanding of Android platform specifics, Experience integrating REST APIs, Ability to take technical ownership and drive architectural decisions, Experience working in Agile/Scrum environments 📃 Skills: React, ReactNative, JavaScript, TypeScript, iOS, Android, REST, Swift, Objective-C, Kotlin, Java, Scrum, Agile, ContinuousDelivery, MitID 🏢 Description: Summary: The Senior React Native App Developer will take the lead in developing a new mobile application to enhance waste management operations across municipalities in Denmark. This role is vital for ensuring the application meets modern standards for usability and communication between municipalities and citizens. Responsibilities: Take technical ownership of the development of a new RenoWeb mobile application. Design and implement a cross-platform mobile solution using React Native. Establish the complete mobile application development setup from the ground up. Integrate the application with existing REST APIs. Collaborate closely with backend teams, product stakeholders, and other project participants. Ensure high quality, maintainability, and scalability of the solution. Drive technical decisions and contribute to architecture discussions. Support continuous delivery and agile development practices. Key Requirements: Solid experience with React Native and cross-platform mobile development. Strong expertise in JavaScript and TypeScript. Experience with publishing, versioning, and maintaining applications in the Apple App Store and Google Play Store. Strong understanding of both iOS and Android, including differences in UI, performance, and platform-specific modules. Experience with REST API integration and close collaboration with backend teams. Ability to take technical ownership, drive decisions, and ensure high-quality delivery. Nice to Have: Experience mapping existing applications and analyzing current technical and UI/UX states. Knowledge of Swift / Objective-C and/or Kotlin / Java. Experience working with public digital solutions or other business-critical systems. Knowledge of MitID. Insight into the waste management sector, utilities, or municipal IT systems. Other Details: Location: Denmark Team Structure: Collaboration with backend teams and other project participants Development Methodologies: Agile, Scrum, Continuous Delivery Technical Setup: Establishing setup from scratch; UX/UI pre-defined; backend REST API available

🏢 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: B2B contract for a Senior React Native Developer to build and maintain a white-label, multi-tenant mobile ordering platform for iOS and Android. The role focuses on developing scalable, production-grade applications with advanced mobile features and clean architecture. Initial 4-month engagement with possible extension, starting in June. 🗂️ Requirements: Minimum 3 years commercial experience with React Native and shipped production apps, Strong TypeScript skills including strict mode, generics, utility types, Deep knowledge of React Navigation and complex navigation patterns, Experience with React Native Reanimated (v2+) and gesture-based interactions, Solid knowledge of iOS and Android build systems (Gradle, Xcode, signing, schemes/flavours), Experience debugging native crashes and JS bundle issues, Proficiency with TanStack Query (or React Query), Experience with Zustand or similar state management, Ability to design and maintain typed API clients and data-fetching layer, Experience with modular or feature-based architecture, English level B2 or higher, Experience working in Agile/Scrum environments 📃 Skills: ReactNative, TypeScript, ReactNavigation, Reanimated, Zustand, TanStackQuery, iOS, Android, Gradle, Xcode, JavaScript, Scrum 🏢 Description: We are looking for an experienced Senior React Developer to join the team working on a white-label mobile ordering platform for restaurants. The product is built as a shared, multi-tenant solution, where each client receives their own fully branded mobile application powered by a common codebase. Who we are: We are Inspeerity (part of DevelopX group), engineering consultancy providing software development and consultancy. Our primary expertise is systems architecture and full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people. TL;DR • Who : Senior React Native Developer • Contract Type : B2B • Salary range: Up to 150 PLN/h + VAT • Start date : from ~9th June • Term of the agreement : ~ 4 months with possibility of prolongation What you’ll be doing: Developing and maintaining production-grade mobile applications in React Native for iOS and Android platforms. Designing and implementing scalable, maintainable, and modular application architecture within a multi-tenant / white-label environment. Building advanced mobile features using TypeScript, React Navigation, Reanimated, and gesture-based interactions. Managing application state, server communication, caching, and API integrations using TanStack Query, Zustand, and typed API clients. Ensuring high code quality through clean architecture, reusable components, strong naming conventions, and maintainable code practices. Participating in agile development processes, including sprint planning, reviews, demos, and close collaboration with international stakeholders. Presenting delivered features during sprint reviews and proactively suggesting product and technical improvements. Supporting the QA process during regression testing and contributing to overall product stability and performance. You will be the best fit if you have: At least 3 years of commercial React Native experience with shipped production apps. Strong TypeScript skills - strict mode, generics, utility types. Deep understanding of React Navigation and complex navigation patterns. Experience with React Native Reanimated (v2+) and gesture-based interactions. Solid knowledge of iOS and Android build systems (schemes/flavours, signing, Gradle, Xcode). Experience debugging native crashes, JS bundle issues. Proficiency with TanStack Query (or React Query). Experience with Zustand or comparable lightweight state management. Ability to design and maintain a clean data-fetching layer with typed API clients. Experience working in a feature-based or modular architecture. Comfortable presenting your own work to stakeholders every two weeks. Proactive mindset: expected to raise observations, propose improvements, and drive initiatives - not just execute tickets. Strong problem-solving and debugging skills. English level B2 or higher. Hands-on experience working in Agile / Scrum environments. What we offer: Hybrid and flexible cooperation model based on a B2B contract. Remote work or working from our Bialystok, Warsaw, Rzeszow offices. It's up to you! Great working conditions and best equipment. Collaboration with experienced and engaged people who will appreciate your work and support you whenever you need it.

🏢 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.

🏢 Summary: Senior React Native Developer role focused on delivering end-to-end mobile applications using React Native and Expo, with responsibility for architecture, API integration, and technical leadership. The position involves driving technical decisions, ensuring code quality, and collaborating with clients and teams to build scalable enterprise mobile solutions. 🗂️ Requirements: Advanced English proficiency, Proven experience developing mobile applications with React Native, Practical experience with Expo, Experience integrating REST or GraphQL APIs, Experience in technical leadership or mentoring, Experience with debugging and monitoring tools, Understanding of scalability and code quality principles, Ability to translate business requirements into technical solutions 📃 Skills: React, ReactNative, Expo, REST, GraphQL, CI/CD, Monitoring, Logging, APIs, Mobile 🏢 Description: 🌍 Hello World! We are The Codest -  International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services. Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams. But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step. 💡 Project Description: We’re seeking a seasoned Senior React Native Developer with strong experience in React Native and Expo, who is ready to step into a technical leadership role on mobile projects. In this position, you’ll be responsible for delivering end-to-end mobile applications, shaping architectural decisions, integrating with existing APIs, and supporting the team in building high-quality solutions. 📈 Your Responsibilities : Build and mantain mobile applications using React Native and Expo Integrate mobile frontends with existing APIs and backend services Partner with internal teams and clients to ensure solutions align with business objectives Drive technical planning, analysis, and execution across development work Support the team through code reviews and knowledge sharing, raising engineering quality Collaborate on delivering scalable, maintainable, and observable enterprise solutions Serve as the primary contact for technical topics within the project 🔑 Key Requirements: Advanced English in speaking and writing (you will be working in an international team) Solid track record of developing mobile apps with React Native Practical experience working with Expo Strong background in integrating with REST and/or GraphQL APIs Experience guiding others or contributing in a mentoring / technical leadership capacity Familiarity with debugging and monitoring tools Good understanding of scalability, maintainability, and overall code quality Ability to work with clients and translate business requirements into technical solutions ➕ Nice to have: Background in building or contributing to enterprise-scale applications Familiarity with setting up or working with mobile CI/CD processes Experience using observability solutions, including logging and monitoring tools 📜 Our Promise (what you can expect from us): 17-22k PLN monthly on B2B contract 100% remote work (but we have offices in Krakow and Warsaw and we’re happy to meet there from time to time 😉) 300 PLN to use on our benefits platform, Worksmile - gift cards, medical services, sports, etc. Our B2B contract contains provisions that allow you to obtain IP BOX support Integration events, education opportunities and much more… A unique opportunity to take your career to the next level - we’re looking for people who want to create an impact. You have ideas, we want to hear them! 📌 Recruitment process: 30 minute screening call online with our recruiter 1h technical call with our developer 30 minute conversation with the team leader on client side 30 minute English language check Final 1h technical call Offer Questions, insights? Feel free to reach out to our recruiting team: ewa.szczodrak@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.