React Native Engineer

🏢 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.

🏢 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: Hybrid React Developer role focused on building responsive, high-performance user interfaces and rapidly prototyping new features with strong emphasis on UX. The position involves close collaboration with product and design teams and integration of RESTful APIs to deliver seamless end-to-end functionality. Requires regular on-site presence in Kraków once per week. 🗂️ Requirements: Advanced English (min. B2), Experience with React.js development, Ability to build responsive, high-performance user interfaces, Experience integrating RESTful APIs and backend services, Proficiency in modern CSS and JavaScript best practices, Experience using design tools (Figma or Sketch), Ability to work from Kraków office once per week 📃 Skills: React, JavaScript, CSS, REST, API, Figma, Sketch, UX 🏢 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. We are looking for an experienced React Developer . Please note: this is a hybrid position, you will be expected to come into the office 1 day per week (the office is located in Kraków). 📈 Your Responsibilities : Build responsive user interfaces with React.js Rapidly prototype new features with a focus on UX design Collaborate with product and design teams to refine user experience Integrate APIs and backend services Apply modern CSS and JavaScript best practices Utilize design tools for wireframes and mockups 🔑 Key Requirements: Advanced English in speaking and writing Develop and maintain responsive, high-performance user interfaces using React.js Rapidly prototype new features and iterate based on user feedback, with a strong focus on UX quality Work closely with product managers and designers to translate requirements into intuitive user experiences Integrate RESTful APIs and backend services to deliver seamless end-to-end functionality Write clean, maintainable code following modern CSS and JavaScript best practices Use design tools (e.g., Figma, Sketch) to create and review wireframes and mockups before implementation Excellent communication skills in English (min. B2 level) 1x a week working from the office in Krakow 📜 Our Promise (what you can expect from us): 18-22k PLN on B2B Hybrid work (1x per week from the office in Kraków) 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 - Justyna 1 hour screening technical interview 1 hour call with the client Offer Questions, insights? Feel free to reach out to our recruiting team: justyna.pazdalska@thecodest.co In the meantime, feel free to visit our website where you can find key facts about us.

🏢 Summary: B2B contract role for a Senior Mobile Engineer to develop and scale a high-traffic React Native mobile application used internationally. The position involves owning features end-to-end, contributing to architecture decisions, and collaborating closely with backend teams. The focus is on building performant, stable, and well-tested iOS and Android apps. 🗂️ Requirements: 4+ years of professional experience with React Native, Strong knowledge of iOS and Android platforms, Experience with app releases and distribution, Solid understanding of mobile architecture and design patterns, Experience with automated testing, Very good English communication skills, Working proficiency in Polish 📃 Skills: ReactNative, iOS, Android, JavaScript, MobileArchitecture, DesignPatterns, AutomatedTesting, AppStore, GooglePlay, English, Polish 🏢 Description: Senior Mobile Engineer (React Native) Location: Remote Contract: B2B Salary: up to 30 000 PLN net / month About the company A product-focused technology company developing a mobile and web platform that supports educational institutions and families in their daily operations. The product simplifies communication, reduces administrative work, and is used at scale by a large and growing international user base. Role overview The company is looking for an experienced Senior Mobile Engineer (React Native) to help develop and scale a high-traffic mobile application. You will work on core product features, contribute to architectural decisions, and collaborate closely with backend and product teams. Responsibilities Develop and maintain a large-scale React Native mobile app (iOS & Android) Own features from concept to production Collaborate with backend engineers on new functionality Write clean, maintainable, and well-tested code Contribute to architectural and technical decisions Optimize performance, stability, and developer experience Requirements 4+ years of professional experience with React Native Strong knowledge of iOS and Android platforms Experience with app releases and distribution Solid understanding of mobile architecture and design patterns Experience with automated testing Very good English communication skills Working proficiency in Polish Nice to have Experience with Firebase Knowledge of mobile analytics tools Advanced testing experience Familiarity with the JavaScript ecosystem (Node.js, React, Next.js) Understanding of mobile UI/UX principles What’s offered 30 000 PLN net monthly (B2B) 20–26 days of paid time off Modern equipment and tools Benefits package (sports card, private healthcare, English lessons) High autonomy and real impact on product and technical decisions Transparent culture with no micromanagement

🏢 Summary: B2B contract role to migrate multiple existing mobile applications to a unified React Native solution for a financial market project. The project spans approximately two years and involves working in an interdisciplinary team to rebuild apps currently developed in different technologies. The focus is on cross-platform mobile development using React Native with cloud and backend integrations. 🗂️ Requirements: 5+ years of mobile development experience, Experience developing both iOS and Android applications, Strong JavaScript and TypeScript knowledge, Strong React Native experience including Expo, Experience with Firebase services (Push, Crashlytics), Experience integrating REST APIs, Experience working with AWS cloud, English proficiency at B2 level or higher 📃 Skills: ReactNative, Expo, TypeScript, JavaScript, Firebase, Crashlytics, Push, AWS, REST, iOS, Android 🏢 Description: We’re looking for specialists open to cooperate on B2B basis, for our customer – Avanade Poland. Avanade website ; Privacy policy This role is available starting from July/August , for both specialists open to work remotely (within Poland) or in hybrid mode (offices in Wroclaw and Krakow). Position: The project is carried out for financial market and is planned for ~2 years. Main goal is to rewrite existing mobile apps - currently there is a few apps, written using different technologies (Flutter, MAUI), and the main challenge in the project will be to bring all of them to React Native. Project team size is estimated to be 44 specialists. You will join interdisciplinary team consisting of up to 8 Engineers. Tech stack: React Native, React Native Expo, TypeScript/JavaScript, Firebase services - Push, Crashlytics, AWS, REST API, Git, Google Play, App Store Connect, Scrum Required skills: For this role, you will need: 5y+ of experience with mobile development , including both iOS and Android apps Strong JavaScript/TypeScript and React Native skills (including Expo) Good working knowledge of Firebase (Push, Crashlytics) REST API Experience with AWS cloud English skills at B2 level (we communicate in English on a daily basis) Experience leading a small team of mobile devs will be a plus If you want to ask any questions before applying, feel free to reach out via LinkedIn !

🏢 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: Hybrid Lead Software Engineer role focused on providing hands-on technical leadership and architectural direction for a cloud-native background screening platform. The position combines Angular/NestJS full-stack development with team mentorship, Azure-based architecture, and CI/CD optimization. You will drive scalable, secure solutions while mentoring developers and collaborating with cross-functional international teams. 🗂️ Requirements: 7+ years of software development experience, Experience in Senior or Technical Lead role, Strong expertise in Angular (v2+), Strong expertise in TypeScript, Experience with NgRx state management, Hands-on experience with NestJS, Experience with PostgreSQL, Experience with Microsoft Azure and cloud-native architecture, Practical knowledge of Docker, Practical knowledge of Kubernetes, Experience with CI/CD pipelines, Experience with unit testing frameworks (Jasmine, Karma, Jest), Experience with TDD, Proven experience leading development teams, Strong architectural design and technical decision-making skills, Strong English communication skills 📃 Skills: Angular, TypeScript, NgRx, NestJS, Node.js, PostgreSQL, Azure, Docker, Kubernetes, CI/CD, HTML5, CSS3, SCSS, Jasmine, Karma, Jest, TDD, SOLID, DRY, Scrum 🏢 Description: We support recruitment for a US-based company that is a provider of mission-critical background screening solutions. They work with Fortune 100 clients helping them manage risk and hire the best talent. This role will provide you with an outstanding opportunity to work for an industry-leading company. With over 4500 employees from 30+ different nationalities, you will be working with a diverse bunch of creatives redefining the world of digital background check and verification services across the globe. As a Lead Software Engineer , you will provide hands-on technical leadership to an international development team based in Kraków. You will balance architecture and coding excellence with mentorship and team development, ensuring high-quality software delivery aligned with business priorities. You will collaborate closely with backend teams, Product Owners, and global stakeholders, influencing architectural decisions, improving engineering practices, and strengthening agile delivery standards. Key takeaways: Stack : Angular, TypeScript, NgRx, NestJS (Node.js), PostgreSQL, Microsoft Azure, Docker, Kubernetes, CI/CD Salary : 190 - 210 PLN net/h on B2B Working model: Hybrid - 1x weekly from the office on Al. Pokoju Location : Krakow, Poland Recruitment process: A call with a Motife recruiter (30 min) An online interview with a technical case (1.5h) Responsibilities: Technical Leadership & Architecture Drive architectural decisions focused on scalability, performance, and security Ensure alignment with cloud-native best practices (Azure environment) Oversee robust API integrations and seamless system communication Lead refactoring initiatives to improve codebase quality continuously Hands-On Development Contribute high-quality, production-ready code Support complex feature implementation and technical problem-solving Analyse and resolve production issues to maintain system stability Engineering Excellence Champion best practices (SOLID, DRY, design patterns) Conduct thorough code reviews Promote TDD and automated testing culture Improve CI/CD pipelines and deployment processes Team Mentorship & Agile Collaboration Mentor junior and mid-level developers through pair programming and feedback Actively support Scrum values and agile ceremonies Partner with Product Owners during refinement sessions to ensure feasibility and accurate estimations Foster a collaborative, inclusive, and growth-oriented engineering culture Requirements: Technical Expertise 7+ years of software development experience, including time in a Senior or Technical Lead role Strong expertise in Angular (v2+), TypeScript, HTML5, CSS3/SCSS, and state management (NgRx) Hands-on experience with NestJS and PostgreSQL Experience working with Microsoft Azure and cloud-native architecture Practical knowledge of Docker, Kubernetes, and CI/CD pipelines Experience with unit testing frameworks (Jasmine, Karma, Jest) and TDD Leadership Experience Proven experience leading development teams Strong background in architectural design and technical decision-making Ability to balance hands-on coding with strategic thinking Communication & Mindset Strong English communication skills (spoken and written) Collaborative and product-oriented mindset Passion for clean code, continuous improvement, and mentoring others Comfortable working in international, cross-functional environments What we offer: Hybrid work model (just 1 day a week from the office) Modern office space and high-quality equipment Opportunity to play a key role in a global technology transformation If you are looking for corporate benefits, we provide paid access to private medical healthcare, life insurance and Multisport card

🏢 Summary: Lead Software Engineer role focused on hands-on development and architectural leadership within a cloud-native background screening platform. The position combines Angular and NestJS development with technical mentorship and ownership of scalable, secure solutions in Azure. You will drive engineering excellence, improve CI/CD processes, and lead an international team in delivering high-quality software. 🗂️ Requirements: 7+ years software development experience, Experience in Senior or Technical Lead role, Strong expertise in Angular (v2+), Proficiency in TypeScript, HTML5, CSS3, SCSS, Experience with NgRx state management, Hands-on experience with NestJS, Experience with PostgreSQL, Experience with Azure cloud environment, Practical knowledge of Docker and Kubernetes, Experience with CI/CD pipelines, Experience with unit testing frameworks, Knowledge of TDD practices, Strong architectural design experience, Experience leading development teams 📃 Skills: Angular, TypeScript, NgRx, NestJS, NodeJS, PostgreSQL, Azure, Docker, Kubernetes, CICD, Jasmine, Karma, Jest, HTML5, CSS3, SCSS, TDD, SOLID, Scrum 🏢 Description: We support recruitment for a US-based company that is a provider of mission-critical background screening solutions. They work with Fortune 100 clients helping them manage risk and hire the best talent. This role will provide you with an outstanding opportunity to work for an industry-leading company. With over 4500 employees from 30+ different nationalities, you will be working with a diverse bunch of creatives redefining the world of digital background check and verification services across the globe. As a Lead Software Engineer , you will provide hands-on technical leadership to an international development team based in Kraków. You will balance architecture and coding excellence with mentorship and team development, ensuring high-quality software delivery aligned with business priorities. You will collaborate closely with backend teams, Product Owners, and global stakeholders, influencing architectural decisions, improving engineering practices, and strengthening agile delivery standards. Key takeaways: Stack : Angular, TypeScript, NgRx, NestJS (Node.js), PostgreSQL, Microsoft Azure, Docker, Kubernetes, CI/CD Salary : 190 - 210 PLN net/h on B2B Working model: Hybrid - 1x weekly from the office on Al. Pokoju Location : Krakow, Poland Recruitment process: A call with a Motife recruiter (30 min) An online interview with a technical case (1.5h) Responsibilities: Technical Leadership & Architecture Drive architectural decisions focused on scalability, performance, and security Ensure alignment with cloud-native best practices (Azure environment) Oversee robust API integrations and seamless system communication Lead refactoring initiatives to improve codebase quality continuously Hands-On Development Contribute high-quality, production-ready code Support complex feature implementation and technical problem-solving Analyse and resolve production issues to maintain system stability Engineering Excellence Champion best practices (SOLID, DRY, design patterns) Conduct thorough code reviews Promote TDD and automated testing culture Improve CI/CD pipelines and deployment processes Team Mentorship & Agile Collaboration Mentor junior and mid-level developers through pair programming and feedback Actively support Scrum values and agile ceremonies Partner with Product Owners during refinement sessions to ensure feasibility and accurate estimations Foster a collaborative, inclusive, and growth-oriented engineering culture Requirements: Technical Expertise 7+ years of software development experience, including time in a Senior or Technical Lead role Strong expertise in Angular (v2+), TypeScript, HTML5, CSS3/SCSS, and state management (NgRx) Hands-on experience with NestJS and PostgreSQL Experience working with Microsoft Azure and cloud-native architecture Practical knowledge of Docker, Kubernetes, and CI/CD pipelines Experience with unit testing frameworks (Jasmine, Karma, Jest) and TDD Leadership Experience Proven experience leading development teams Strong background in architectural design and technical decision-making Ability to balance hands-on coding with strategic thinking Communication & Mindset Strong English communication skills (spoken and written) Collaborative and product-oriented mindset Passion for clean code, continuous improvement, and mentoring others Comfortable working in international, cross-functional environments What we offer: Hybrid work model (just 1 day a week from the office) Modern office space and high-quality equipment Opportunity to play a key role in a global technology transformation If you are looking for corporate benefits, we provide paid access to private medical healthcare, life insurance and Multisport card

🏢 Summary: B2B remote role focused on building a secure digital wallet/mobile-money application for emerging markets using React Native and TypeScript. The position involves developing core wallet features, integrating REST APIs and third-party SDKs, optimizing performance on low-end Android devices, and implementing strong mobile security practices. The project includes white-label mobile app development, CI/CD participation, and collaboration with backend teams. 🗂️ Requirements: React Native, TypeScript, Android, iOS, NativeModules, REST, JWT, OWASP, MobileSecurity, CI/CD, PerformanceOptimization, Fintech 📃 Skills: ReactNative, TypeScript, Android, iOS, REST, JWT, OWASP, CI/CD, Flutter, SDKs 🏢 Description: Industry: IT Rate: up to 128 pln/h net + VAT, B2B Fully remote Languages: Polish, English The core purpose of this position is to develop a regulated digital-wallet/mobile-money product tailored for emerging markets, emphasizing high mobile-money adoption, efficient app performance on low-to-mid-tier Android devices, and robust security protocols. Main responsibilities: - Develop and maintain a mobile application with core features like onboarding, wallet top-up, payments, and transaction history. - Collaborate with backend teams to ensure seamless REST API integration and enforce money rules server-side. - Implement device-level security measures, ensuring secure token storage and biometric support. - Optimize application performance on low-end devices and poor network conditions. - Integrate third-party SDKs for enhanced functionalities, such as eKYC and push notifications. - Participate in the complete lifecycle of mobile app deployment, including testing, CI/CD processes, and submission to app stores. - Adapt the app to multiple country/brand wallets through a white-label codebase. Requirements: - Experience in developing and shipping production-level React Native + TypeScript apps. - Solid understanding of mobile platform fundamentals, especially for Android. - Ability to work with native modules and tackle build issues in both Android and iOS environments. - Hands-on mobile security practices and familiarity with OWASP MASVS. - Strong experience with REST API integration and JWT authentication. - Experience in quality assurance and performance optimization for mobile apps. - Background in fintech or high-trust domains where security is paramount. Nice to have: - iOS production experience and knowledge of the wallet or mobile-money sector. - Familiarity with Flutter or other cross-platform mobile development frameworks. - Experience with multi-brand theming and white-label solutions. - Comfort in a team utilizing AI for development process enhancement.

🏢 Summary: B2B remote role focused on building and maintaining a secure digital wallet/mobile-money application for emerging markets using React Native and TypeScript. The position involves mobile development, REST API integration, device-level security, performance optimization for low-end Android devices, and white-label app customization. The project includes full mobile app lifecycle participation, including testing, CI/CD, and app store deployment. 🗂️ Requirements: React Native experience, TypeScript proficiency, Production-level mobile app development, Android platform knowledge, Native modules integration, Android and iOS build troubleshooting, Mobile security practices, OWASP MASVS knowledge, REST API integration, JWT authentication, Mobile app performance optimization, Quality assurance experience, Fintech or high-security domain experience 📃 Skills: React, ReactNative, TypeScript, Android, iOS, REST, JWT, OWASP, MASVS, CI/CD, Flutter 🏢 Description: Information about the project: Industry: IT Rate: up to 128 pln/h net + VAT, B2B Fully remote Polish, English The core purpose of this position is to develop a regulated digital-wallet/mobile-money product tailored for emerging markets, emphasizing high mobile-money adoption, efficient app performance on low-to-mid-tier Android devices, and robust security protocols. Main responsibilities: Develop and maintain a mobile application with core features like onboarding, wallet top-up, payments, and transaction history. Collaborate with backend teams to ensure seamless REST API integration and enforce money rules server-side. Implement device-level security measures, ensuring secure token storage and biometric support. Optimize application performance on low-end devices and poor network conditions. Integrate third-party SDKs for enhanced functionalities, such as eKYC and push notifications. Participate in the complete lifecycle of mobile app deployment, including testing, CI/CD processes, and submission to app stores. Adapt the app to multiple country/brand wallets through a white-label codebase. Requirements: Experience in developing and shipping production-level React Native + TypeScript apps. Solid understanding of mobile platform fundamentals, especially for Android. Ability to work with native modules and tackle build issues in both Android and iOS environments. Hands-on mobile security practices and familiarity with OWASP MASVS. Strong experience with REST API integration and JWT authentication. Experience in quality assurance and performance optimization for mobile apps. Background in fintech or high-trust domains where security is paramount. Nice to have: iOS production experience and knowledge of the wallet or mobile-money sector. Familiarity with Flutter or other cross-platform mobile development frameworks. Experience with multi-brand theming and white-label solutions. Comfort in a team utilizing AI for development process enhancement.