June 20, 2026

Mobile Developer in Gaming

Senior • Hybrid

20,000 - 25,000 PLN

Warsaw, Poland


ABOUT THE ROLE 

 

We're looking for a Mobile Application Engineer, specializing in React Native, with a mobile-first mindset and an understanding of native development to help drive our projects forward. As a part of the Gaming team, you would be an important cog in the machinery, creating new features for the casino vertical of our sites and its lobby.

 

You will be part of driving a newly created frontend team within Gaming to deliver products and features end to end together with our backend engineers. In close collaboration with product managers, designers and our backend peers, we get to work with a broad variety of initiatives where we are aiming to level up our Casino site to the next level.

 

 

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 preferred, will consider React only experience

  •  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 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 1400 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 11 offices worldwide.

 

 

WHAT WE OFFER 

  •  Hybrid work policy (3 days a week from office in Warsaw)

  • 4 weeks of Workation  (T&C apply)

  • Competitive base salary

  • Benefits package - 800 PLN net (B2B)/gross (UOP) monthly

  • Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast.

  • Team and office social events throughout the year

  • Equipment: MacBook + smartphone (iPhone 15 or Samsung Galaxy S24)

 

JOIN US!

 

In our pride, we empower our teammates to find their roar and run with their wildest ideas. We don’t wait for things to happen; we pounce and make it happen! 

 

Would you be a good fit for the Leo Pride - give us a roar!

 

As our company working language is English, we’d like to see your CV in English, please

Similar jobs you might like

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

EPAM Systems

Senior React Native Developer

Senior

Remote

🏢 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.

Technology

LeoVegas Group

JavaScript Engineer

Senior

Hybrid

Warsaw, Poland

24,400 - 29,400 PLN

🏢 Summary: Frontend JavaScript Engineer role focused on developing and maintaining high-quality web applications for a large-scale igaming platform. The position involves building new features, enhancing user experience, and collaborating with cross-functional teams to deliver and expand frontend products across multiple markets. The engineer will drive frontend development using modern JavaScript technologies in a microservices environment. 🗂️ Requirements: Proven experience with JavaScript, Good knowledge of GraphQL, Commercial experience with React, Commercial experience with TypeScript, Experience with Next.js, Working proficiency with Node.js, Experience working with microservices architecture 📃 Skills: JavaScript, GraphQL, React, TypeScript, Next.js, Node.js, Microservices, OpenAPI, BigQuery 🏢 Description: ABOUT THE ROLE We are looking for a passionate and experienced self-driven JavaScript Engineer to join in on our mission to deliver the greatest igaming experience to our customers. As a part of our multinational frontend team, you would be an important cog in the machinery, creating new features for and maintaining the full product of LeoVegas.com . In close collaboration with product managers, designers and our backend peers, we get to work with a broad variety of initiatives: everything from responsible gaming and payments to the casino lobby layout and new market entries. YOU WILL BE RESPONSIBLE FOR: Develop and maintain high-quality JavaScript applications Ensure a smooth and engaging user experience You will be responsible for driving the development of most of the frontend features of Leovegas.com Improve and maintain the applications with a product focus Contribute to launching new brands and brand expansions into new territories OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING: ESSENTIAL SKILLS Proven experience with Javascript Good knowledge of GraphQL Working experience with React and Typescript (Next.js) Working proficiency with Node.js and Microservices NICE TO HAVES Experience with OpenAPI Experience with BigQuery BENEFITS Hybrid work policy 4 weeks of Workation (T&C apply) Benefits package - 800 PLN net (B2B)/gross (UOP) monthly with access to the cafeteria platform (private medical care, insurances, sports card) Training budget ICAS assistance program that can provide help and guidance during challenging moments. Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast. Team and office social events throughout the year Free parking for bicycles and motorcycles Free gym in the building Equipment: MacBook Pro + smartphone (iPhone 16/17 or Samsung Galaxy S25) 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 2000 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 19 offices worldwide. JOIN US! In our pride, we empower our teammates to find their roar and run with their wildest ideas. We don’t wait for things to happen; we pounce and make it happen! Would you be a good fit for the Leo Pride - give us a roar! As our company working language is English, we’d like to see your CV in English, please

Technology

AgileEngine

Software Engineer

Senior

Remote

Krakow, Poland

5,599 - 7,410 USD

🏢 Summary: Senior React Native Engineer role focused on building and shipping cross-platform mobile applications using React Native and Expo, alongside developing web apps in ReactJS and APIs in Node.js. The position involves full ownership of the feature lifecycle, from architecture and implementation to CI/CD and production monitoring, using TypeScript and AI-assisted development tools. Work is delivered in an Agile, product-centric environment with emphasis on quality, performance, and collaboration. 🗂️ Requirements: 4+ years of professional software engineering experience, Experience developing production software, Experience in Agile or team-based development environments, Proficiency in JavaScript, Proficiency in Node.js, Proficiency in ReactJS, Proficiency in React Native, Experience with REST APIs and service-based architectures, Experience with databases and data persistence concepts, Ability to follow established architecture and development standards, Strong problem-solving and troubleshooting skills, Ability to collaborate effectively within an engineering team, Good communication skills, Bachelor’s degree in Computer Science, Engineering, or related field or equivalent practical experience, Upper-intermediate English level 📃 Skills: JavaScript, TypeScript, Node.js, ReactJS, React, ReactNative, Expo, REST, APIs, Databases, CI/CD, Claude, GitHubCopilot, Agile, Codility 🏢 Description: ID73490 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior React Native Engineer to build and ship cross-platform mobile apps using React Native and Expo while developing web applications in ReactJS and APIs in Node.js for a franchisee engineering team. You will own the engineering lifecycle for your features — architecture, implementation, testing, CI/CD, and production monitoring — writing clean TypeScript and actively using AI tools including Claude and GitHub Copilot as a development accelerator. The role follows Agile practices in a collaborative, product-centric engineering environment. What you will do Build and ship cross-platform mobile apps using React Native and Expo (iOS and Android); Develop web applications in ReactJS, sharing business rule libraries with mobile apps; Design, develop, and maintain APIs in NodeJS to support these applications; Use Claude or Github Copilot as a development accelerator, generating code scaffolding, writing and reviewing tests, creating documentation and prototyping solutions; Own the engineering lifecycle for your features: architecture, implementation, testing, CI/CD, and production monitoring; Write clean, well-tested TypeScript code; maintain high standards through code review and documentation; Optimize application performance for speed, responsiveness, memory, and offline capability; Debug, troubleshoot, and resolve software defects and production issues; Participate in Agile or product-centric delivery practices including sprint planning and retrospectives; Learn and apply new technologies, tools, and patterns to improve system quality and team effectiveness. Must haves Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience; 4+ years of professional software engineering experience focused on backend and cloud infrastructure; Strong experience with JavaScript , Node.js , and TypeScript ; Strong understanding of RESTful APIs , Microservices architecture, and event-driven systems; Experience working with databases, including PostgreSQL , and data persistence concepts; Hands-on experience with Microsoft Azure and Amazon Web Services (AWS) ; Deep experience with Infrastructure as Code using Terraform and CI/CD using Azure DevOps ; Experience with legacy platform migrations, ETL processes, and data hygiene; Experience developing secure, high-quality, and maintainable code following industry security best practices; Familiarity with Dynatrace and CloudWatch ; Upper-intermediate English level. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

Technology

Godel Technologies Europe

React Native Developer

Mid

Remote

Lodz, Poland

12,000 - 17,000 PLN

🏢 Summary: Mobile Engineer role focused on building and maintaining a React Native application for field inspection and compliance management, featuring offline-first workflows, Bluetooth integrations, real-time synchronization, and secure data handling. The position involves full lifecycle mobile development, AI-assisted coding practices, and automated CI/CD in a collaborative, agile environment. The offer emphasizes performance, scalability, and high code quality for production-grade Android and iOS apps. 🗂️ Requirements: 3+ years experience with React Native for Android and iOS, Strong knowledge of JavaScript and TypeScript, Experience with Redux Saga and Redux Thunk, Experience with React Navigation, Experience with SQLite and encrypted storage, Experience integrating Firebase, Familiarity with Xcode and Gradle, Experience with CI/CD pipelines, Experience publishing apps to App Store and Google Play, Experience with Jest and React Native Testing Library, Use of AI coding tools (e.g. GitHub Copilot, Devin, Windsurf), Intermediate or higher English level 📃 Skills: ReactNative, JavaScript, TypeScript, ReduxSaga, ReduxThunk, ReactNavigation, SQLite, Firebase, Xcode, Gradle, GitHubActions, Fastlane, Jest, ReactNativeTestingLibrary, SonarQube, Appium, Bluetooth, NewRelic 🏢 Description: We are looking for a Mobile Engineer who is passionate about building reliable, user-focused applications used in real-world operational environments. You will work on a mobile platform for field inspection and compliance management in the food service and hospitality industry, contributing to features such as offline-first workflows, Bluetooth-connected sensor integrations, real-time data synchronization, and digital audit processes. This role offers the opportunity to work on meaningful technical decisions in a collaborative engineering environment focused on performance, usability, and scalability. The application includes capabilities such as encrypted local storage, cloud CRM synchronization, document signing, photo and file management, PDF generation, push notifications, and mobile monitoring tools for crash reporting and performance tracking. CI/CD processes are fully automated using GitHub Actions, including linting, testing, SonarQube analysis, and deployments to TestFlight and Google Play. You will join a cross-functional team consisting of an Engineering Manager, ADC, Tech Lead, Back-End Developers, Front-End Developer, and Mobile Developers, working together in an agile and collaborative setup. We follow a remote-first setup with no mandatory regular office visits for this position. From time to time, you may be invited to join in-person meetings in one of our offices (Warsaw, Lodz, Wroclaw, Gdansk, or Bialystok), for example for client visits or team reunions. Must have: 3+ years of experience in creating React Native mobile solutions for Android and iOS Strong communication and team player skills Solid knowledge of JavaScript, TypeScript, React Native, React Native components, Redux Saga, Redux Thunk , React navigation SQLite and Encrypted Storage Strong skills in creating flexible user interfaces and custom views Experience integrating Firebase Familiarity with native build tools: Xcode, Gradle Experience with CI/CD pipelines: GitHub Actions, Fastlane Experience publishing apps to the Apple App Store and Google Play Console Jest + React Native Testing Library for unit/integration Demonstrated AI-first mindset: regular, structured use of agentic AI tools such as GitHub Copilot, Devin, or Windsurf Written and spoken English at intermediate level or higher Nice to have: Experience with New Relic mobile monitoring and performance observability Knowledge of SonarQube Experience with Appium or other E2E mobile testing frameworks Experience with Bluetooth integrations or custom native modules Web development experience (React.js, Node.js) Proven use of AI for non-trivial tasks — feature scaffolding, refactoring, test generation, or workflow automation Your responsibilities Engineering and development of mobile using modern technology stack Applying an AI-first development approach using agentic coding tools in day-to-day work Taking part in full app development lifecycle and actively influencing all phases as well as UI/UX design considerations Close cooperation with our clients including daily standups/retros/refinements Ensuring code quality through unit testing, static analysis and peer code reviews Sharing knowledge and experience within the team and Mobile Division

Technology

B2Bnetwork

React Native Developer

Senior

Remote

Warsaw, Poland

🏢 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

Technology

AgileEngine

React Native Engineer

Senior

Remote

Krakow, Poland

5,600 - 7,400 USD

🏢 Summary: Senior React Native Engineer role focused on building and maintaining cross-platform mobile app features for a global QSR brand across iOS and Android. The position involves developing in TypeScript, integrating backend APIs and payment systems, implementing automated testing, and contributing to React Native architecture improvements within an Agile environment. The engineer will collaborate cross-functionally and support CI/CD, releases, and performance optimization. 🗂️ Requirements: 4+ years of professional software engineering experience, Commercial experience with React Native and TypeScript, Strong understanding of React Native architecture and Redux, Experience with REST APIs and token-based authentication, Familiarity with iOS and Android native builds (Swift/Objective-C, Kotlin/Java), Experience with unit, component, and end-to-end mobile testing, Experience releasing apps to App Store or Google Play, Upper-intermediate English level 📃 Skills: ReactNative, TypeScript, Redux, REST, Swift, Objective-C, Kotlin, Java, CI/CD, BrowserStack, GitHubActions, Expo, Fastlane, Adyen, ApplePay, GooglePay, LaunchDarkly, Sentry, AdobeExperiencePlatform, QuantumMetric, i18n, OneTrust, SSL 🏢 Description: ID72470 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior React Native Engineer to build and maintain consumer mobile app features for a global QSR brand, spanning ordering, menu, cart, checkout, payments, and loyalty across iOS and Android. You will write clean TypeScript, integrate backend ordering and authentication APIs, maintain automated tests including end-to-end flows on real devices via BrowserStack, and contribute to the ongoing migration to React Native New Architecture. The role follows collaborative Agile practices with peer code review on every pull request. What you will do Build and maintain app features across the full stack of the mobile experience — ordering, menu, cart, checkout, payments, loyalty, and store locator; Write clean, well-tested TypeScript following established coding standards, with automated checks (linting, formatting, architectural boundary rules) running on every commit; Connect the app to backend services and third-party tools: ordering API, authentication, payment processors, fraud detection, feature flags, and analytics; Work with product managers, designers, and backend engineers to turn requirements into working software — joining sprint planning and reviews, implementing against Figma designs, aligning on API contracts; Review code from teammates and incorporate review feedback on pull requests; all PRs go through CI checks and peer review before merging; Debug and fix issues on both iOS and Android using crash reporting tools, native logs, and device/simulator builds; Write and maintain tests — unit, component, performance, and end-to-end flows tested on real devices via BrowserStack; Help keep build and release pipelines healthy: automated builds, beta testing distributions, and production releases to the App Store and Google Play; Document work — code comments, architecture decision records, and notes in the project management system; Participate in Agile ceremonies: standups, sprint planning, refinement, and retrospectives; Stay current with the React Native ecosystem and contribute to team-wide improvements, including the ongoing migration to the React Native New Architecture. Must haves 4+ years of professional software engineering experience; Strong commercial experience building cross-platform mobile apps with React Native and TypeScript ; Solid understanding of React Native architecture : state management (Redux), navigation, performance optimization, and local storage; Experience calling REST APIs and working with token-based authentication flows; Familiarity with the native side of React Native — iOS (Swift/Objective-C) and Android (Kotlin/Java) builds, native modules — or genuine enthusiasm to learn; Practical experience with mobile testing : unit tests, component tests, and end-to-end flows; Experience shipping apps to the App Store and/or Google Play ; Clear communicator who works well in a collaborative, cross-functional team; Upper-intermediate English level. Nice to haves Payment integrations (Adyen, Apple Pay, Google Pay); Feature flag systems (e.g., LaunchDarkly); Mobile analytics or error tracking (Sentry, Adobe Experience Platform, Quantum Metric); CI/CD for mobile: GitHub Actions, Expo EAS, Fastlane, BrowserStack; Internationalization (i18n) and multi-language app support; Privacy and consent frameworks (e.g., OneTrust); SSL/certificate pinning for mobile API security. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

Technology

Toro Performance Sp. z o.o.

Senior React Native Engineer

Senior

Remote

🏢 Summary: Senior React Native Engineer role to build a greenfield mobile application for a digital asset bank, with full ownership over architecture and key technical decisions. The position involves close collaboration with the Tech Lead and backend teams to deliver a secure, scalable fintech product. 🗂️ Requirements: Experience in banking or fintech, Strong experience with React Native, Experience in mobile development for iOS and Android, Ability to design application architecture, Ability to make and justify technical decisions, Experience with TypeScript, Experience with state management, Experience with testing in mobile applications, Experience with CI/CD pipelines, Experience with AI coding tools 📃 Skills: React, ReactNative, TypeScript, iOS, Android, CI/CD, Copilot, Swift, Kotlin, Blockchain, Crypto, Testing, StateManagement 🏢 Description: We are looking for an experienced Senior React Native Engineer to build a mobile application from scratch for a digital asset bank. The role involves designing architecture, making key technical decisions, and working closely with the Mobile Tech Lead. Key requirements: Experience in banking/fintech (required) Strong expertise in React Native and mobile development (iOS/Android) Ability to make and justify technical decisions based on past experience Solution-oriented and proactive mindset Knowledge of TypeScript, state management, testing, and CI/CD Experience with AI coding tools (e.g., Copilot) Nice to have: Knowledge of crypto/blockchain Native mobile experience (Swift/Kotlin) Understanding of mobile security best practices Responsibilities: Build a mobile app from scratch (greenfield) Define architecture and standards Propose solutions and analyze trade-offs Collaborate with backend teams and the Tech Lead

Technology

LeoVegas Mobile Gaming Group

Senior Backend Engineer - Core Experience

Senior

Hybrid

Warsaw, Poland

21,800 - 27,200 PLN

🏢 Summary: Senior software engineer role focused on enhancing customer onboarding and responsible gaming features for a multi-brand gaming platform built on microservices. The position involves developing backend solutions, improving platform architecture, and collaborating with cross-functional teams in a data-driven CI/CD environment. Candidates will work primarily with Java and Spring Boot while contributing to testing, monitoring, and scalable platform development. 🗂️ Requirements: 5+ years of experience with Java and Spring Boot or other object-oriented languages, Experience with SQL and relational databases, Knowledge of microservice architectures, Ability to write unit, integration, and end-to-end tests, Experience collaborating in agile development environments, English proficiency 📃 Skills: Java, Spring, SpringBoot, SQL, Kotlin, Git, Kafka, Jenkins, GCP, BigQuery, Postman, Microservices, CI/CD, Kanban, Testing, Telemetry, Monitoring, C#, C++, Python, PHP 🏢 Description: ABOUT THE ROLE Are you an experienced software engineer looking for a meaningful role in a dynamic environment? Join our Markets Platform Team at LeoVegas Group, where you will play a crucial role in enhancing our global customer onboarding process and developing responsible gaming features. Your work will ensure a seamless, secure, and enjoyable experience for our customers across all our brands. In this position, you will focus on refining the onboarding journey and promoting responsible gaming. Our mission is to create a safe gaming environment where players can set healthy limits on their gambling habits. We leverage data-driven insights and a robust CI/CD process, following the Kanban methodology to deliver high-quality solutions. You will work alongside expert back-end developers specialising in Java and Kotlin, as well as dedicated Quality Assurance Engineers. YOU WILL BE RESPONSIBLE FOR: Developing a multi-brand gaming platform called Rhino, built on 230+ microservices. Driving continuous improvement in the player onboarding process and responsible gaming solutions through innovative solutions. Writing extensive tests (units, e2e, integration) and updating documentation. Participating in architectural discussions and suggesting ideas for technical improvements. Collaborate with Product Managers and other stakeholders to deliver innovative solutions that enhance customer experience and promote safe gaming practices. Working closely with Backend Engineers, QA Engineers and TA Engineers. OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING: ESSENTIAL SKILLS Min. 5 years of experience in using Java + Spring Boot framework, or similar experience in Object Oriented Languages (C#, C++, Python, PHP) and willing to learn Java You have experience with SQL and relational databases You are familiar with microservice architectures NICE TO HAVES Experience with Kotlin, Git, Kafka, Jenkins. Familiarity with Google Cloud Platform and BigQuery. Strong understanding of API testing methodologies and hands-on experience with tools like Postman. Knowledge of Automated Testing. Experience with telemetry and monitoring. 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 1400 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 11 offices worldwide. BENEFITS Hybrid work policy 4 weeks of Workation  (T&C apply) Benefits package - 800 PLN net (B2B)/gross (UOP) monthly with access to the cafeteria platform (private medical care, insurances, sports card) Training budget ICAS assistance program that can provide help and guidance during challenging moments. Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast. Team and office social events throughout the year Free parking for bicycles and motorcycles Free gym in the building Equipment: MacBook Pro + smartphone (iPhone 16/17 or Samsung Galaxy S25) JOIN US! In our pride, we empower our teammates to find their roar and run with their wildest ideas. We don’t wait for things to happen; we pounce and make it happen! Would you be a good fit for the Leo Pride - give us a roar! As our company working language is English, we’d like to see your CV in English, please