April 25, 2026
React Native Software Engineer
Mid • Hybrid
Warsaw, Poland
We are looking for passionate and ambitious IT professional to join a experienced and innovative team for Retail Execution - whereby you will grow as a Mobile Developer.
You will be able to grow and develop your React Native skills with some flavor of native coding on Android and iOS, working on interesting and challenging mobile application which integrate with Salesforce and other backend systems. With support and directions from an Architect or Technical Lead you will take responsibility of transforming business requirements into real solutions - this includes developing, testing, documenting and supporting them.
In your role you will cooperate with the Architects team and Engineering Leads, contributing to the design & development of various internal P&G applications and global-scaled solutions, while also participating and having tangible possibility to shape and grow Mobile Development competency in the organization.
Key Responsibilities:
Writing of high-quality source code to create complete applications and compilation of builds into test, staging and production environments
Execution of unit tests, integration tests and non-functional tests before application release
Fixing defects and bugs in existing code, close cooperation with application support teams
Developing technical documents and handbooks to accurately represent application design and code and regular maintenance of those according to company standards
Evaluation of existing solutions to rebuild, update or add new features
Analyzing requirements and how they translate into application features
We are looking for:
Proven experience in React Native developments (alternatively React.js and Redux or JavaScript / Typescript)
Familiarity of design and mobile architecture patterns, as well as good / clean programming practices
Familiarity of good unit testing and integration testing practices
Knowledge of mobile applications security best practices
The ability to work independently, as well as in a multifunctional team
English proficiency and at least Bachelor's Degree in Computer Science
Nice to have:
Experience in native programming (Java for Android, Kotlin or Swift / Objective-C)
Basic experience in Salesforce platform (specifically Sales cloud)
Experience in requirements gathering, analysis and working with business partners
DevOps / Agile programming attitude
Experience with Node.JS
We offer
P&G-sized projects and access to world leading IT partners and technologies from Day 1.
Wide range of self-development possibilities (training and certifications paths).
Competitive starting salary and benefits program (private health care, P&G stock, saving plans, sport cards).
Regular salary increases and possible promotions - in line with your results and performance.
Opportunity to change role every few years to be in the best place for you and best for P&G.
At Procter & Gamble we embrace a hybrid work model that combines the flexibility of remote work with the collaborative benefits of in-office engagement. Employees can enjoy the option to work from home two days a week while also spending time in the office to foster teamwork and enhance communication. Watch this video to learn more about our full recruiting process: https://www.youtube.com/watch?v=0bicvbpy0gI Kindly be advised that at P&G, employment is exclusively extended on the basis of an "Umowa o Pracę" (Full-time Employment Contract). Apply only if you agree to these conditions.
About us
We produce globally recognized brands and we grow the best business leaders in the industry. With a portfolio of trusted brands as diverse as ours, it is paramount our leaders can lead with courage the vast array of brands, categories and functions. We serve consumers around the world with one of the strongest portfolios of trusted, quality, leadership brands, including Always®, Ariel®, Gillette®, Head & Shoulders®, Herbal Essences®, Oral-B®, Pampers®, Pantene®, Tampax® and more. Our community includes operations in approximately 70 countries worldwide.
Visit http://www.pg.com to know more.
We are an equal opportunity employer and value diversity at our company. We do not discriminate against individuals on the basis of race, color, gender, age, national origin, religion, sexual orientation, gender identity or expression, marital status, citizenship, disability, HIV/AIDS status, or any other legally protected factor.
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Gdansk, PM, Poland
20,000 - 26,500 PLN
🏢 Summary: Leadership role focused on designing and delivering a scalable React Native SDK and mobile applications for iOS and Android. The position combines hands-on development with technical direction, mentoring, and cross-functional collaboration to build high-quality, high-performance mobile products. Work is conducted in an agile environment with hybrid presence in Gdansk or Krakow. 🗂️ Requirements: 5+ years experience developing and deploying mobile apps with React Native, Experience leading and mentoring development teams, Strong knowledge of native Android or iOS architecture, Experience with full mobile development lifecycle, At least one successfully released product as team lead, Proficiency in JavaScript and TypeScript, Experience with Git version control, Experience working in Agile environments 📃 Skills: React, ReactNative, JavaScript, TypeScript, iOS, Android, Git, Agile, SDK 🏢 Description: Join Aristocrat as a React Native Lead Developer and become part of a global leader in gaming and entertainment, where technology and creativity come together to deliver world-class player experiences. With thousands of team members across the globe, we are united by a shared mission to bring joy to life through the power of play. In this role, you’ll lead a dedicated, distributed team working on innovative mobile solutions, contributing to scalable products that reach players worldwide. You’ll collaborate across teams while helping shape technical direction and drive impactful digital initiatives. Work mode: hybrid – 3 days per week from the Wave Office in Gdansk or Unity Office in Krakow. What You'll Do Lead the design and development of an SDK and mobile applications in React Native, ensuring alignment with overall product strategy. Participate in agile development processes, including sprint planning, stand-ups, and retrospectives. Establish, enforce and drive best practices in programming, testing, and deployment, ensuring high-quality work and alignment to industry standards. Collaborate with multi-functional teams, including native platform engineers (iOS/Android), product managers, and designers, to define technical requirements and deliver end-to-end solutions. Produce documents and diagrams to communicate your designs and processes effectively with the wider development and leadership teams. Provide regular feedback and support to team members, helping them develop their skills and advance their careers within the organization. Articulate technical concepts and project updates to partners, ensuring transparency and alignment with business goals. Fine-tune application performance, fix bottlenecks, and guarantee responsiveness across diverse platforms. Mentor and guide a team of developers, fostering a collaborative environment that encourages innovation and professional growth. What We're Looking For Demonstrated track record of 5 years of creating and deploying mobile apps using React Native, primarily for iOS and Android. Proven experience leading a development team, with strong mentoring and coaching skills. Strong knowledge of architecture and implementation of native Android or/and iOS apps, experience with full mobile development life cycle. At least one successfully released product while managing a team of developers. Profound expertise in JavaScript, TypeScript, and related frameworks and libraries. Familiarity with Git for version control and experience working in agile development environments. Adept problem solver with a history of delivering quality code and solutions. Why Product Madness? As part of the Aristocrat family, we share their mission of bringing joy to life through the power of play, with a world-class team who creates top-grossing, leading titles in the social casino genre, including Heart of Vegas, Lightning Link, Cashman Casino. With 800 team members across the globe, Product Madness is headquartered in London, with offices in Barcelona, Gdańsk, Lviv, Montreal and a remote team spanning the USA, making us a truly global powerhouse. We live by our People First principle. Regardless of where, when, or how they work, our team members have opportunities to elevate their careers, and grow alongside us. We take pride in fostering an inclusive culture, where our people are encouraged to be their very best, every day. But don’t just take our word for it. In 2024, we made the Global Inspiring Workplace Awards list, and won a bronze award at the Stevies for Great Employers in the ‘Employer of the Year - Media and Entertainment’ category.
Technology
LeoVegas Group
Senior Mobile Application Engineer (React Native)
Senior
Hybrid
Warsaw, Poland
24,400 - 29,500 PLN
🏢 Summary: The role involves developing and maintaining high-quality React Native mobile applications for iOS and Android, supporting major gaming brands. The position focuses on delivering performant, user-friendly apps and contributing to new product launches and market expansions. It requires strong mobile expertise and collaboration within an international team. 🗂️ Requirements: Minimum 5 years of mobile development experience for Android and iOS, Strong experience with React Native, Proficiency in TypeScript, Strong understanding of core JavaScript concepts, Experience with cloud integrations, Experience working with REST APIs, Experience with GraphQL, Experience with Firebase, Experience with Datadog, Experience with version control systems 📃 Skills: React, ReactNative, TypeScript, JavaScript, REST, GraphQL, Firebase, Datadog, Git, Cloud 🏢 Description: ABOUT THE ROLE Join our team of skilled developers working on mobile applications for top LeoVegas brands like BetMGM, BetUK, and Expekt. With offices across Europe in Sweden, Poland, Spain, and the UK, we create high-performance and innovative solutions for both iOS and Android platforms. We’re looking for a React Native Developer with a mobile-first mindset and an understanding of native development to help drive our projects forward. We are expanding our React Native team in Poland and are searching for talented engineers who are passionate about mobile development and eager to build innovative gaming experiences. YOU WILL BE RESPONSIBLE FOR: Develop and maintain high-quality React native applications for both iOS and Android platforms Ensure a smooth, engaging, and intuitive user experience Work on apps for LeoVegas brands such as BetMGM, BetUK, and Expekt Improve and enhance applications with a strong product focus Contribute to launching new brands and expanding into new markets OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING: ESSENTIAL SKILLS At least 5 years of experience working as a mobile developer for Android and iOS Strong experience with React Native Proficiency in TypeScript Good understanding of core JavaScript principles and concepts Experience with cloud integrations Experience with Rest API, Datadog, GraphQL, Firebase and version control NICE TO HAVES Experience with Kotlin, Objective-C or Swift Experience writing Unit Tests Hands-on experience optimizing mobile performance Experience with CI/CD integrations WHO WE ARE At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the iGaming industry. We’re a team of over 1800 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 16 offices worldwide. What we offer: you can work in a hybrid model , we would like you to show up in our Warsaw office three times a week , the rest of the days of the week are up to you, we work in European office hours, 800 PLN monthly for benefits (we have a platform with sport cards and different options for private healthcare), welcome package, no dress code, international teams, 💻 Equipment: MacBook Pro 16"/14'' + smartphone (iPhone 15 or Samsung Galaxy S24 - it’s your choice). Our office: located in the centre of Warsaw (Królewska 16) bike parking 🚲 chillout zones (we have a billiard table too! 🎱) free snacks 🥜 company breakfast every Monday 🥪 Our recruitment process: 45-minute phone/Zoom call with our recruiter 90-minutes technical interview max. 40 min online personality and logic test (not live) 1-hour cultural fit interview **As our company working language is English, we’d like to see your CV in English please** More about us: Careers site: www.leovegasgroup.com/careers LinkedIn: https://www.linkedin.com/company/leovegasgroup/ Instagram: www.instagram.com/lifeatleo/
Technology
LeoVegas Group
Senior Mobile Application Engineer (React Native)
Senior
Hybrid
Warsaw, Poland
24,400 - 29,500 PLN
🏢 Summary: The offer is for a React Native Developer to build and maintain high-performance mobile applications for iOS and Android within leading gaming brands. The role focuses on delivering scalable, user-centric solutions, enhancing existing apps, and supporting new market launches. It requires strong cross-platform mobile expertise and collaboration in an agile environment. 🗂️ Requirements: Minimum 5 years experience in mobile development for Android and iOS, Strong commercial experience with React Native, Proficiency in TypeScript, Strong knowledge of core JavaScript principles, Experience with cloud integrations, Experience working with REST APIs, Experience with GraphQL, Experience with Firebase, Experience with Datadog, Experience with version control systems 📃 Skills: ReactNative, TypeScript, JavaScript, REST, GraphQL, Firebase, Datadog, Git, Android, iOS, Cloud 🏢 Description: ABOUT THE ROLE Join our team of skilled developers working on mobile applications for top LeoVegas brands like BetMGM, BetUK, and Expekt. With offices across Europe in Sweden, Poland, Spain, and the UK, we create high-performance and innovative solutions for both iOS and Android platforms. We’re looking for a React Native Developer with a mobile-first mindset and an understanding of native development to help drive our projects forward. We are expanding our React Native team in Poland and are searching for talented engineers who are passionate about mobile development and eager to build innovative gaming experiences. YOU WILL BE RESPONSIBLE FOR: Develop and maintain high-quality React native applications for both iOS and Android platforms Ensure a smooth, engaging, and intuitive user experience Work on apps for LeoVegas brands such as BetMGM, BetUK, and Expekt Improve and enhance applications with a strong product focus Contribute to launching new brands and expanding into new markets OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING: ESSENTIAL SKILLS At least 5 years of experience working as a mobile developer for Android and iOS Strong experience with React Native Proficiency in TypeScript Good understanding of core JavaScript principles and concepts Experience with cloud integrations Experience with Rest API, Datadog, GraphQL, Firebase and version control NICE TO HAVES Experience with Kotlin, Objective-C or Swift Experience writing Unit Tests Hands-on experience optimizing mobile performance Experience with CI/CD integrations WHO WE ARE At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the iGaming industry. We’re a team of over 1800 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 16 offices worldwide. What we offer: you can work in a hybrid model , we would like you to show up in our Warsaw office three times a week , the rest of the days of the week are up to you, we work in European office hours, 800 PLN monthly for benefits (we have a platform with sport cards and different options for private healthcare), welcome package, no dress code, international teams, 💻 Equipment: MacBook Pro 16"/14'' + smartphone (iPhone 15 or Samsung Galaxy S24 - it’s your choice). Our office: located in the centre of Warsaw (Królewska 16) bike parking 🚲 chillout zones (we have a billiard table too! 🎱) free snacks 🥜 company breakfast every Monday 🥪 Our recruitment process: 45-minute phone/Zoom call with our recruiter 90-minutes technical interview max. 40 min online personality and logic test (not live) 1-hour cultural fit interview **As our company working language is English, we’d like to see your CV in English please** More about us: Careers site: www.leovegasgroup.com/careers LinkedIn: https://www.linkedin.com/company/leovegasgroup/ Instagram: www.instagram.com/lifeatleo/
Technology
co.brick
Senior React Native Developer
Senior
Remote
Wroclaw, Poland
120 - 140 PLN
🏢 Summary: The role involves building and scaling a high-performance React Native mobile application integrated with an existing web customer portal. The developer will own the mobile architecture, ensuring scalable navigation, state management, networking, and seamless backend API integration for iOS and Android. The position includes end-to-end feature delivery, performance optimization, and establishing mobile development best practices. 🗂️ Requirements: 5–8+ years of Frontend or Mobile development experience, 3+ years of production experience with React Native on iOS and Android, Strong proficiency in JavaScript, Strong proficiency in TypeScript, Experience with native module integration, Experience with deep-level debugging, Knowledge of mobile performance profiling, Ability to build accessible and responsive mobile UIs, Experience with unit, integration, and e2e testing, Experience with CI/CD workflows, Experience with React Navigation, Experience with state management using React Query, SWR, Redux, or Context 📃 Skills: ReactNative, JavaScript, TypeScript, iOS, Android, ReactNavigation, ReactQuery, SWR, Redux, Context, Jest, RTL, CI/CD, APIs 🏢 Description: The objective is to build and scale a React Native mobile application that serves as a high-performance companion to an existing web customer portal. You will own the core mobile experience, architecting scalable solutions for navigation, state management, and networking while ensuring seamless integration with existing backend APIs. This role is ideal for a developer who can deliver end-to-end features and establish mobile best practices within a collaborative team environment. Details Location: Remote, with a preference for candidates based in Wrocław (for quarterly on-site client meetings). Primary Project Language: Polish. Target Platforms: iOS and Android. Responsibilities End-to-End Development: Building mobile features that maintain parity and cohesion with the web customer portal. Architecture: Designing scalable code structures, focusing on efficient navigation, state management, and robust networking. Performance & Reliability: Ensuring high stability, fast UI responsiveness, and implementing offline-tolerant UX where necessary. Technical Leadership: Establishing mobile development standards, mentoring other engineers, and improving release cadence. Collaboration: Working closely with product, design, and backend teams to ensure a unified user experience. Requirements General Seniority: 5–8+ years in Frontend or Mobile development. React Native Mastery: 3+ years of experience shipping and maintaining production React Native apps (iOS + Android). Core Skills: Strong proficiency in JavaScript/TypeScript . Native Modules: Experience with native module integration and deep-level debugging. Optimization: Solid knowledge of mobile performance profiling and building accessible, responsive UIs. Testing & DevOps: Comfort with unit/integration/e2e testing (Jest, RTL) and CI/CD workflows. Navigation: React Navigation. Data & State: React Query / SWR or Redux / Context. Nice to Have Familiarity with both Expo and bare React Native workflows. Experience with push notifications, deep linking, and mobile analytics. Prior experience with B2B, customer self-service, or account management applications.