Mobile Developer

🏢 Summary: Long-term remote opportunity for a Senior Native Mobile Engineer to design, build, and optimize enterprise mobile applications across iOS and Android using SwiftUI and Kotlin. The role focuses on clean architecture, API integration, performance tuning, and delivering high-quality user experiences in collaboration with German stakeholders. Contracts are renewed in stable 3-month cycles with full-time allocation. 🗂️ Requirements: Strong commercial experience in native iOS development (Swift, SwiftUI), Strong commercial experience in native Android development (Kotlin), Experience with modern mobile architecture patterns (MVVM, MVI), Experience integrating RESTful APIs, Knowledge of App Store Connect and Google Play Console, Experience with Git workflows, Experience with automated testing frameworks, Experience with CI/CD pipelines for mobile, German language proficiency minimum B2 level 📃 Skills: Swift, SwiftUI, Kotlin, MVVM, MVI, REST, Git, CI/CD, AppStoreConnect, GooglePlayConsole 🏢 Description: Start Date: October 1, 2026. Duration: Long-term project (contracts renewed in stable 3-month cycles). Allocation: 1.0 FTE Rate: 140–160 PLN net / hour. Work Model: 100% Remote (with occasional meetings on-site at the client’s office in Hamburg). Language Requirement: German at a minimum B2 level (C1 preferred) for daily engineering and business communication. Responsibilities Native Development: Design, build, and maintain robust native mobile applications using SwiftUI (iOS) and Kotlin (Android). Clean Architecture: Write clean, modular, and easily testable code while implementing modern mobile architecture patterns (e.g., MVVM, MVI). API Integration: Connect mobile frontends with secure backend RESTful APIs and real-time data streams. UI/UX Excellence: Implement fluid animations, responsive layouts, and modern components according to design specifications. Performance Tuning: Monitor, debug, and optimize application rendering speeds, memory usage, and battery consumption profiles. Requirements Native Platform Mastery: Strong commercial track record in native iOS development (Swift / SwiftUI) and native Android development (Kotlin). Ecosystem Knowledge: Solid understanding of platform-specific deployment workflows, App Store Connect, and Google Play Console environments. Software Engineering Principles: Experience with Git workflows, automated testing frameworks, and continuous integration (CI/CD) pipelines for mobile. Soft Skills: Highly autonomous mindset, comfortable aligning directly with international clients, and strong team-player capabilities.

🏢 Summary: Mobile Developer role focused on building, enhancing, and maintaining mobile applications across the full development lifecycle. The position involves working with native or hybrid technologies, integrating REST APIs, and ensuring performance and code quality. The developer will contribute to technical decisions and continuous improvement of mobile solutions. 🗂️ Requirements: 2+ years of mobile development experience, Experience with native or hybrid mobile technologies, Experience integrating REST APIs, Knowledge of Clean Code principles, Knowledge of SOLID principles, English level B1/B2 for technical communication 📃 Skills: Android, iOS, Kotlin, Swift, Flutter, ReactNative, REST, Git, Agile, CleanCode, SOLID 🏢 Description: We are seeking a Mobile Developer with at least 2 years of experience to join our team. What You Will Do: Develop, enhance, and maintain mobile applications; Participate in the entire development cycle, from implementation to publication and maintenance of apps; Ensure performance, usability, and quality of applications; Contribute to technical decisions and continuous improvement of solutions. What We Are Looking For: 2+ years of experience in mobile development; Experience with native or hybrid mobile technologies such as Android, iOS, Kotlin, Swift, Flutter, or React Native; Knowledge of integration with REST APIs; Familiarity with best development practices (Clean Code, SOLID, etc.); Experience with Git and Agile methodologies is valued; English B1/B2 (technical communication and writing); Team spirit, autonomy, and a willingness to evolve technically.

🏢 Summary: B2B contract opportunity for a Regular or Senior Android Native Developer to design, build, and maintain scalable native Android applications using modern technologies. The role involves end-to-end mobile development, CI/CD implementation, testing, performance optimization, and publishing apps to Google Play Store in a collaborative environment. Remote work with periodic on-site presence in Kraków. 🗂️ Requirements: Proven experience delivering native Android applications, Strong expertise in Kotlin, Solid knowledge of Java, Excellent knowledge of Android SDK, Strong understanding of Jetpack or Jetpack Compose, Experience with Android Studio, adb, Android Emulator, Experience writing unit and automated tests, Experience building and maintaining CI/CD pipelines, Experience publishing applications to Google Play Store, Knowledge of JSON and XML, Experience implementing mobile security best practices, Understanding of mobile accessibility standards, Experience with Test-Driven Development 📃 Skills: Kotlin, Java, Android, SDK, Jetpack, Compose, CI/CD, AndroidStudio, adb, Emulator, JSON, XML, TDD, Git, IntelliJ, VSCode 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are looking for an experienced Android Native Developer to join our client’s mobile development team. The ideal candidate will have a strong track record of building and delivering high-quality native Android applications using modern Android technologies. You will be responsible for designing, developing, testing, and maintaining scalable mobile applications while collaborating closely with designers, product teams, and backend engineers. This role requires deep expertise in Kotlin , modern Android architecture, and the Android development ecosystem, along with experience implementing CI/CD pipelines and publishing applications to the Google Play Store. Project information: Location: Kraków, Poland Work Setup: Remote work with on-site presence required – approximately 6 days per month at the client’s office Two open vacancies: Regular developer and Senior Developer Rate: 120 – 135 PLN/net/h + VAT (B2B contract) Start date: depending on candidate availability Language: English (min B2) Project scope: Design, develop, and maintain native Android applications using modern Android development practices. Build high-quality, scalable mobile applications using Kotlin, Android SDK, and Android Jetpack / Jetpack Compose. Implement responsive and accessible mobile UI based on provided design specifications using native Android components and design systems. Develop, maintain, and optimize CI/CD pipelines for mobile applications. Write unit tests and automated tests to ensure application stability and reliability. Debug, profile, and optimize Android applications for performance and stability. Work with mobile development tools such as Android Studio, adb, and the Android Emulator. Handle data serialization and deserialization using JSON and XML. Manage application publishing, versioning, and certificate management in the Google Play Store. Implement security best practices and mobile security features. Collaborate with cross-functional teams including product managers, designers, and backend engineers. Follow Test-Driven Development (TDD) principles and maintain high code quality standards. Requirements: Proven experience delivering native Android mobile applications. Strong expertise in Kotlin and solid knowledge of Java for Android development. Excellent understanding of the Android platform, SDK, and Jetpack / Jetpack Compose. Experience with Android Studio, adb, and Android Emulator. Experience writing unit and automated tests for Android applications. Strong debugging and troubleshooting skills. Experience building and maintaining CI/CD pipelines for mobile applications. Experience publishing applications to the Google Play Store. Good knowledge of mobile accessibility standards. Experience working with JSON and XML data formats. Experience implementing mobile security best practices. Passion for Test-Driven Development (TDD) and writing maintainable code. Preferred Experience: Experience using Git and working with IDEs such as IntelliJ and Visual Studio Code. Experience working with mobile component libraries. Familiarity with iOS native development (Swift, SwiftUI, Xcode). Familiarity with cross-platform frameworks such as React Native or Flutter. Preferred Skills / Competencies: Experience designing and building digital products in onboarding or banking/financial services environments. Experience using AI-assisted development tools such as GitHub Copilot or Claude CLI. Strong problem-solving skills and attention to detail. We offer: Full-time job agreement based on B2B Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Long-term remote B2B contract for a Senior React Native Developer to build and scale a greenfield mobile application for iOS and Android from scratch. The role focuses on delivering a high-traffic, content-driven app with personalisation, real-time engagement features, and scalable architecture. Strong ownership and direct collaboration with international product teams are expected. 🗂️ Requirements: 5+ years commercial experience with React Native, Experience building production mobile apps from scratch, Experience with iOS and Android platforms, Experience with REST API integrations, Experience with CMS or DAM integrations, Experience implementing push notifications, Experience implementing deep linking, Experience with analytics and event tracking, Experience with performance optimisation, Experience with A/B testing or personalisation platforms, Experience with App Store and Google Play release processes, Experience with unit or component testing, English level C1+, Availability before Q3 start, Ability to work on B2B contract 📃 Skills: React, ReactNative, JavaScript, TypeScript, iOS, Android, REST, CMS, DAM, Firebase, Amplitude, Analytics, A/B, Testing, Push, DeepLinking, Node.js, Next.js, Mapbox, GoogleMaps 🏢 Description: Senior React Native Developer (iOS & Android) We are looking for an experienced Senior Mobile Developer (React Native) to join a long-term international project for a premium luxury retail brand. You will work on a completely new mobile product built from scratch for both iOS and Android, serving 250k+ daily users from launch. The project focuses on creating a modern, content-driven mobile experience with personalised feeds, exclusive offers, and real-time customer engagement features. This is a greenfield project with no legacy code and strong ownership opportunities from day one. Project Details 100% Remote Full-time (40h/week) B2B contract Rate: 100 - 125 PLN/h net Long-term cooperation (9 months + possible extension) Start: ASAP / Q3 Required overlap: 14:00–18:00 CET Occasional travel: max once per quarter English: C1+ required Responsibilities Building and maintaining a React Native mobile application for iOS and Android Designing scalable mobile architecture from scratch Integrating CMS, APIs, personalisation and experimentation platforms Implementing push notifications, deep linking and campaign flows Optimising app performance for high-traffic environments Collaborating directly with an international client and product teams Ensuring code quality through testing and best engineering practices Must-Have Requirements 5+ years of commercial React Native experience Strong experience with both iOS and Android applications Experience delivering production mobile apps from scratch Hands-on experience with: REST API integrations CMS / DAM integrations Push notifications Deep linking Analytics & event tracking Performance optimisation A/B testing or personalisation platforms Experience with App Store & Google Play release processes Good testing practices (unit/component testing) English level C1+ (spoken and written) Nice to Have Firebase / Amplitude Feature flagging & experimentation platforms Headless CMS in retail or e-commerce Streaming APIs AI-assisted features GDPR / consent management tooling Google Maps / Mapbox E2E testing Node.js / React / Next.js Polish language skills Important Please apply only if: you are available before the Q3 project start, you have commercial React Native experience for both iOS and Android, you can work on a B2B basis (Polish entity preferred). Recruitment Process CV review & pre-screening Technical interview Client interview (in English) Offer If you’re interested, send: your CV in English, your availability, expected hourly rate (B2B, net PLN), short information about your experience with React Native and CMS/personalisation integrations.

🏢 Summary: B2B opportunity for a Regular or Senior iOS Native Developer to design, build, and maintain scalable iOS applications using Swift and SwiftUI in an Agile environment. The role focuses on delivering secure, high-performance mobile solutions, implementing CI/CD pipelines, automated testing, and managing App Store releases. Remote work with periodic on-site presence in Krakow. 🗂️ Requirements: Proven experience delivering native iOS applications, Strong knowledge of iOS platform and SDK, Excellent programming skills in Swift, Experience with SwiftUI, Experience with Xcode and iOS toolchain, Experience building and maintaining CI/CD pipelines, Experience with unit and automated testing for iOS, Experience with App Store publishing and certificate management, Strong debugging and performance optimization skills, Knowledge of mobile accessibility standards, Experience with JSON and XML, Experience implementing secure mobile development practices, Understanding of TDD principles 📃 Skills: Swift, SwiftUI, iOS, Xcode, xcbuild, CocoaPods, CI/CD, TDD, JSON, XML, Git, Objective-C, Kotlin, Jetpack, Compose, Android, React, Flutter 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are looking for an experienced iOS Native Developer to join our client’s team and contribute to the development of high-quality mobile applications. In this role, you will design, build, and maintain scalable iOS applications while collaborating with cross-functional teams in an Agile development environment . You will be responsible for delivering robust mobile solutions using modern development practices, ensuring performance, security, and an excellent user experience. Project information: Location, Krakow, Poland Work Setup: Remote work with on-site presence required – approximately 6 days per month at the client’s office Two open vacancies: Regular developer and Senior Developer Rate: 120 – 135 PLN/net/h + VAT (B2B contract) Start date: depending on candidate availability Language: English (min B2) Project scope: Design, develop, and maintain native iOS applications using Swift and SwiftUI. Build high-quality mobile interfaces based on provided UI/UX specifications and design systems. Work closely with product owners, designers, and engineers in an Agile methodology environment. Implement and maintain CI/CD pipelines for mobile applications. Conduct unit testing and automated testing to ensure application quality and reliability. Debug and optimize iOS applications to ensure high performance and stability. Manage App Store releases, provisioning profiles, and certificate management. Ensure mobile applications follow security best practices and implement security-related features. Implement accessibility best practices across mobile applications. Handle data serialization and deserialization using JSON and XML. Collaborate with teams using modern development tools and AI-assisted workflows. Requirements: Proven track record of delivering native iOS mobile applications. Strong knowledge of the iOS platform, SDK, and SwiftUI. Excellent programming skills in Swift. Experience with Xcode and the iOS development toolchain (xcbuild, CocoaPods, iOS Simulator). Experience building and maintaining CI/CD pipelines for mobile applications. Experience with unit testing and automated testing for iOS apps. Experience with App Store publishing, provisioning portals, and certificate management. Strong debugging and performance optimization skills for iOS applications. Good understanding of mobile accessibility standards. Experience working with JSON and XML for data exchange. Experience implementing secure mobile development practices. Passion for Test Driven Development (TDD). Preferred/ Nice to Have: Experience with Git and development tools such as Microsoft Visual Studio Code. Familiarity with mobile component libraries. Exposure to the Android ecosystem including Kotlin, Jetpack Compose, and Android Studio. Familiarity with Objective-C. Experience with cross-platform frameworks such as React Native or Flutter. Ideal Candidate: Experience designing digital products in onboarding or banking domains. Experience using AI-assisted development tools such as GitHub Copilot and Claude CLI in engineering workflows. Strong collaboration and communication skills within Agile teams. A proactive mindset focused on code quality, performance, and user experience. We offer: Full-time job agreement based on B2B Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Senior Mobile Engineer role focused on designing and delivering high-quality, scalable mobile applications for both iOS and Android in an international project. The position involves contributing to architecture decisions, ensuring performance and security, and maintaining code quality through best practices and testing. 🗂️ Requirements: 7+ years of mobile development experience, Strong experience with iOS development using Swift, Strong experience with Android development using Kotlin, Solid understanding of MVVM or Clean Architecture, Experience integrating RESTful APIs, Knowledge of mobile performance, scalability, and security best practices, Experience working with Agile methodologies (Scrum or Kanban) 📃 Skills: Swift, Kotlin, iOS, Android, MVVM, CleanArchitecture, REST, Performance, Scalability, Security, Agile, Scrum, Kanban 🏢 Description: We are looking for a Senior Mobile Engineer with strong experience in both iOS (Swift) and Android (Kotlin) to join an international project focused on building high-quality mobile applications. Main Responsibilities: Design, develop, and maintain mobile applications for both iOS and Android platforms Contribute to the architecture and technical decisions of mobile solutions Build scalable, high-performance, and user-focused applications Collaborate closely with Product Managers, Designers, and other Engineers Ensure code quality through best practices, code reviews, and testing Troubleshoot, debug, and optimize application performance Key Requirements: 7+ years of experience in mobile development Strong hands-on experience with: iOS (Swift) Android (Kotlin) Solid understanding of mobile architectures (e.g., MVVM, Clean Architecture) Experience integrating RESTful APIs Knowledge of mobile performance, scalability, and security best practices Experience with Agile methodologies (Scrum/Kanban) Strong problem-solving skills and attention to detail Good communication skills in English Nice to Have: Experience with cross-platform solutions (e.g., Kotlin Multiplatform, Flutter, React Native) Familiarity with CI/CD pipelines for mobile applications Experience with automated testing (unit/UI) Knowledge of mobile app distribution processes (App Store / Google Play)

🏢 Summary: Senior iOS Developer role focused on designing and implementing advanced mobile applications across healthcare, banking, media, and other industries. The position involves building new features in Swift, maintaining CI/CD pipelines, ensuring code quality, and collaborating on scalable architectures. The offer includes personalized project matching, professional development plans, and dedicated training support. 🗂️ Requirements: Minimum 5 years of experience in iOS mobile application development, Expertise in Swift and Xcode, Proficiency with SwiftUI, UIKit, CocoaPods, SPM or Carthage, Knowledge of Clean Swift, MVVM and MVC architectural patterns, Understanding of UI design patterns and principles, Advanced spoken and written English, Fluent Polish, Residence in Poland 📃 Skills: Swift, Xcode, SwiftUI, UIKit, CocoaPods, SPM, Carthage, CI/CD, CleanSwift, MVVM, MVC, iOS 🏢 Description: As our employee, you will have the opportunity to be part of our community of over 80 Mobile Technology Developers. Our experts are working on a wide range of projects in industries such as healthcare (e.g., the creation of apps to support the lives of citizens), banking (banking apps for individual and corporate customers), media (mobile apps for the presentation of news), loyalty, and many more! To learn the latest technologies, our Mobile Engineers create internal projects for their own development. They have a personalized training offer and an internal development plan (e-training, book publications, dedicated access to training platforms), a training budget, and the support of a mentor. Our candidates receive a personalized offer that matches their career plan and preferences, with many different projects to choose from. Your tasks Designing and implementing mobile applications for the iOS platform Creating new functionalities in Swift Maintaining and developing CI/CD systems in the project Collaborating with other team members to design new functionalities Taking care of the code quality Testing the developed functionalities Creating project documentation in accordance with applicable standards Requirements At least 5 years of experience in mobile application development for the iOS platform Expertise in Swift and Xcode Proficiency with SwiftUI, UIKit, CocoaPods / SPM / Carthage Knowledge of architectural patterns: Clean Swift, MVVM, MVC Familiarity with user interface design patterns and principles An advanced level of spoken and written English Fluent Polish required Residing in Poland required What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Opportunity for a Senior iOS Developer to design and build mobile applications across various domains, implementing new features in Swift and maintaining CI/CD pipelines. The role focuses on high-quality code, architectural best practices, testing, and collaboration within a mobile engineering team. 🗂️ Requirements: Minimum 5 years of experience in iOS mobile application development, Strong expertise in Swift and Xcode, Proficiency in SwiftUI and UIKit, Experience with dependency managers: CocoaPods, SPM or Carthage, Knowledge of architectural patterns: Clean Swift, MVVM, MVC, Experience with CI/CD systems, Understanding of UI design patterns and principles, Experience in testing and maintaining code quality 📃 Skills: iOS, Swift, Xcode, SwiftUI, UIKit, CocoaPods, SPM, Carthage, CleanSwift, MVVM, MVC, CICD 🏢 Description: As our employee, you will have the opportunity to be part of our community of over 80 Mobile Technology Developers. Our experts are working on a wide range of projects in industries such as healthcare (e.g., the creation of apps to support the lives of citizens), banking (banking apps for individual and corporate customers), media (mobile apps for the presentation of news), loyalty, and many more! To learn the latest technologies, our Mobile Engineers create internal projects for their own development. They have a personalized training offer and an internal development plan (e-training, book publications, dedicated access to training platforms), a training budget, and the support of a mentor. Our candidates receive a personalized offer that matches their career plan and preferences, with many different projects to choose from. Your tasks Designing and implementing mobile applications for the iOS platform Creating new functionalities in Swift Maintaining and developing CI/CD systems in the project Collaborating with other team members to design new functionalities Taking care of the code quality Testing the developed functionalities Creating project documentation in accordance with applicable standards Requirements At least 5 years of experience in mobile application development for the iOS platform Expertise in Swift and Xcode Proficiency with SwiftUI, UIKit, CocoaPods / SPM / Carthage Knowledge of architectural patterns: Clean Swift, MVVM, MVC Familiarity with user interface design patterns and principles An advanced level of spoken and written English Fluent Polish required Residing in Poland required

🏢 Summary: The role involves developing and maintaining native iOS applications using Swift and SwiftUI in a hybrid work model from Kraków. The position focuses on building high-quality, secure mobile solutions with CI/CD pipelines, automated testing, and App Store publishing. The candidate will ensure performance, accessibility, and adherence to best practices in mobile development. 🗂️ Requirements: Proven experience delivering native iOS applications, Strong knowledge of iOS platform and SDK, Strong knowledge of Swift and SwiftUI, Experience with unit and automated testing in iOS, Experience with Xcode and iOS development toolchain, Experience with CI/CD for mobile applications, Experience with App Store publishing and certificate management, Knowledge of debugging iOS applications, Knowledge of mobile accessibility standards, Knowledge of JSON and XML, Experience implementing security features in mobile apps, Experience with Git, Experience with mobile component libraries 📃 Skills: Swift, SwiftUI, iOS, Xcode, xcbuild, CocoaPods, Simulator, CI/CD, AppStore, JSON, XML, Git, Objective-C, Kotlin, Jetpack, AndroidStudio, ReactNative, Flutter, Copilot, Claude 🏢 Description: Location : hybrid work from Kraków, visits in client’s office 6 days per month Tasks Delivering native iOS mobile applications. Developing applications using Swift and SwiftUI. Creating UI based on provided specifications using native components and design systems. Building and maintaining CI/CD pipelines for mobile applications. Publishing applications to the App Store and managing provisioning profiles, certificates and related portals. Implementing unit and automated tests in line with test driven development practices. Debugging and optimizing iOS applications. Ensuring accessibility standards on mobile devices. Implementing data marshalling and de‑marshalling using JSON and XML. Establishing and applying security best practices in mobile applications. Requirements Proven track record in delivering native iOS mobile applications. Excellent knowledge of the iOS platform, SDK and SwiftUI. Excellent knowledge of Swift. Experience with unit and automated testing of native iOS applications. Experience working with Xcode. Experience with the iOS development toolchain including xcbuild, CocoaPods and iOS Simulator. Experience with CI/CD for mobile applications. Experience with App Store publishing and certificate management. Good knowledge of debugging iOS applications. Good knowledge of mobile accessibility. Good knowledge of JSON and XML. Experience in building security‑related features for mobile applications. Strong passion for test driven development. Experience working with Git and IDEs such as Visual Studio Code. Experience with mobile component libraries. Familiarity with Android native development including Kotlin, Jetpack Compose and Android Studio. Familiarity with Objective‑C. Familiarity with cross‑platform or hybrid frameworks such as React Native or Flutter. Experience in designing digital products in onboarding or banking domains. Experience using agentic AI tools in development workflows such as GitHub Copilot or Claude CLI. Offer Multisport card. Private healthcare. Access to an e‑learning platform. Group life insurance.

🏢 Summary: Senior/Lead Mobile Developer role focused on leading the design and development of advanced iOS and Android applications using Swift and Kotlin. The position involves architecting scalable mobile solutions, ensuring high code quality, and driving best practices across the development lifecycle. You will also provide technical leadership while delivering secure, high-performance mobile applications. 🗂️ Requirements: 3+ years experience with Swift for iOS development, 3+ years experience with Kotlin for Android development, Experience leading or mentoring development teams, Experience with RESTful APIs and backend integration, Experience with third-party libraries, Experience with CI/CD pipelines, Experience with automated testing, Experience with deployment processes, Knowledge of mobile architecture best practices, Experience with performance optimization and debugging, Knowledge of mobile security best practices 📃 Skills: Swift, Kotlin, iOS, Android, REST, CICD, APIs, AutomatedTesting, Deployment, Architecture, Security, Libraries, Backend 🏢 Description: We are looking for a highly skilled Senior/Lead Mobile Developer with deep expertise in Swift/Kotlin to join our mobile development team. In this role, you will lead the design, development, and optimization of cutting-edge applications, ensuring best practices in architecture, code quality, and user experience. You will mentor junior developers, collaborate with cross-functional teams, and play a key role in shaping our mobile strategy. Responsibilities Lead the design, development, and deployment of advanced iOS and Android applications using Swift and/or Kotlin Architect robust, scalable, and maintainable codebases, ensuring adherence to best practices and coding standards Collaborate with product managers, designers, and backend engineers to deliver seamless user experiences Mentor and guide junior developers, conducting code reviews and providing technical leadership Stay up-to-date with the latest iOS/Android trends, technologies, and best practices Troubleshoot, debug, and optimize application performance Ensure the security and privacy of user data in compliance with industry standards Requirements Extensive experience developing iOS applications with Swift (3+ years) Extensive experience developing Android applications with Kotlin (3+ years) Proven track record of leading or mentoring development teams Experience with RESTful APIs, third-party libraries, and integration of backend services Familiarity with CI/CD pipelines, automated testing, and deployment processes Good work ethic and strong sense of ownership of the end result Excellent verbal and written communication skills, B2 level of English 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.