Mobile Developer (iOS + Kotlin + German)

🏢 Summary: Long-term remote contract for an experienced Native Mobile Developer working with SwiftUI and Kotlin, starting October 1, 2026. The role requires a minimum 4 days per week commitment with occasional onsite presence in Hamburg. The offer includes a B2B contract with competitive hourly rate and collaboration in an international environment. 🗂️ Requirements: Practical experience with SwiftUI, Practical experience with Kotlin, Minimum 4 working days per week availability, German language proficiency at minimum B2 level, English language proficiency at B2/C1 level, Availability for occasional onsite meetings in Hamburg 📃 Skills: SwiftUI, Kotlin, iOS, Android 🏢 Description: Join a long-term enterprise development team as a Senior Native Mobile Engineer to build, scale, and optimize core mobile applications. This role requires an engineer capable of working cross-platform across native environments using SwiftUI for iOS and Kotlin for Android. You will play a central role in delivering smooth user experiences, maintaining high code quality, and aligning directly with team leads and client stakeholders based in Germany. Details Start Date: October 1, 2026. Duration: Long-term project (contracts renewed in stable 3-month cycles). Allocation: 0.75 FTE / 1 FTE Rate: 160-200 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: Mid/Senior iOS Developer role in a long-term mobile project built with modular architecture using SwiftUI and Kotlin Multiplatform Mobile. The project focuses on developing a content platform with personalized content, multimedia, subscriptions, SSO, and push notifications. The position emphasizes high technical quality, modularity, and practical use of AI tools in daily development. 🗂️ Requirements: Very good knowledge of Swift, Very good knowledge of SwiftUI, Strong knowledge of modern iOS development, Experience with large, modular mobile applications, Practical knowledge of Claude Code or similar AI development tools 📃 Skills: Swift, SwiftUI, Kotlin, KMM, Compose, Ktor, Koin, Coroutines, Serialization, Firebase, GitHub, Actions, Gradle, Claude 🏢 Description: Poszukujemy iOS Developera do dużego, nowoczesnego projektu mobilnego realizowanego w architekturze modułowej z wykorzystaniem Kotlin Multiplatform Mobile oraz natywnego UI w SwiftUI. Projekt Rozwój platformy contentowej oferującej: personalizowane treści, multimedia, subskrypcje, logowanie SSO, powiadomienia push. To długofalowy projekt rozwijany zgodnie z aktualnymi standardami mobile engineeringu, z dużym naciskiem na jakość techniczną, modularność oraz efektywne wykorzystanie AI w codziennej pracy zespołu. Informacje organizacyjne Start: ASAP Czas trwania: 3 miesiące z możliwością przedłużenia Tryb pracy: 100% zdalnie Stawka: 130 PLN/h Seniority: Mid / Senior Zakres roli Szukamy osoby, która: dobrze odnajduje się w samodzielnej pracy, potrafi proponować rozwiązania architektoniczne i produktowe, aktywnie wspiera zespół w utrzymaniu wysokiej jakości technicznej, korzysta z AI w codziennej pracy developerskiej i chce rozwijać ten obszar w zespole. Istotnym elementem roli będzie praktyczne wykorzystanie narzędzi AI (głównie Claude Code), udział w code review oraz dzielenie się dobrymi praktykami związanymi z AI-assisted development. Tech Stack Swift SwiftUI Swift 5.9 Kotlin Multiplatform Mobile (KMM) Kotlin Compose Multiplatform Ktor Koin Kotlinx Coroutines Kotlinx Serialization Firebase GitHub Actions Gradle Kluczowe wymagania bardzo dobra znajomość Swift, SwiftUI oraz nowoczesnego iOS developmentu, doświadczenie w pracy przy większych, modularnych aplikacjach mobilnych, praktyczna znajomość Claude Code lub podobnych narzędzi AI wspierających development, samodzielność, proaktywność i umiejętność wspierania zespołu technicznego, dobra komunikacja i ownership. Mile widziane doświadczenie z Kotlin Multiplatform Mobile, znajomość architektury modularnej, doświadczenie z CI/CD oraz automatyzacją procesów developerskich.

🏢 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: co.brick talents — powered by AI, powered by people. Join a long-term enterprise development team as a Senior Native Mobile Engineer to build, scale, and optimize core mobile applications. This role requires an engineer capable of working cross-platform across native environments using SwiftUI for iOS and Kotlin for Android. You will play a central role in delivering smooth user experiences, maintaining high code quality, and aligning directly with team leads and client stakeholders based in Germany. Details Start Date: October 1, 2026. Duration: Long-term project (contracts renewed in stable 3-month cycles). Allocation: 0.75 FTE / 1.0 FTE Rate: 160-200 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: Opportunity for an experienced Mobile App Developer to build and enhance Android and cross-platform applications supporting digital identity and service delivery solutions. The role focuses on developing scalable, high-quality mobile products within an Agile, multidisciplinary team environment. 🗂️ Requirements: Several years of mobile development experience, Strong knowledge of Android development, Proficiency in Kotlin, Experience working in Agile teams, Ability to contribute to application architecture and performance improvements 📃 Skills: Android, Kotlin, ReactNative, Agile, Cloud 🏢 Description: We are looking for an experienced Mobile App Developer to join a global product team working on applications that support digital identity and service delivery solutions. The role involves developing and improving mobile applications, primarily on Android, as well as contributing to cross-platform solutions. You will collaborate with a multidisciplinary team in an Agile environment to build reliable, user-friendly, and scalable products. Key Responsibilities: Develop and maintain mobile applications Collaborate with designers, analysts, and developers Contribute to application architecture and performance improvements Ensure code quality and reliability Requirements: Several years of experience in mobile development Strong knowledge of Android development (Kotlin) Ability to work in a collaborative, Agile team Good communication skills Nice to Have: Experience with cross-platform technologies (e.g., React Native) Familiarity with modern development tools and cloud environments

🏢 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.

🏢 Summary: Senior iOS development opportunity focused on designing, building, testing, and maintaining mobile applications in Swift. The role includes CI/CD development, code-quality ownership, documentation, and collaboration on new features, with access to training, mentorship, and varied projects. 🗂️ Requirements: 6+ years of iOS development experience, 5+ years of iOS mobile application development experience, Expertise in Swift and Xcode, Proficiency with SwiftUI, UIKit, and dependency managers, Knowledge of AI toolsets, Knowledge of UI design patterns and principles, Advanced English, Fluent Polish, Residence in Poland 📃 Skills: Swift, Xcode, SwiftUI, UIKit, CocoaPods, SPM, Carthage, CI/CD, AI 🏢 Description: Benefits - Opportunity to work on mobile projects across healthcare, banking, media, loyalty, and other industries - Personalized training offer and internal development plan, including e-training, book publications, and access to training platforms - Training budget and mentor support - A choice of projects aligned with career plans and preferences Responsibilities - Design and implement mobile applications for the iOS platform - Create new functionality in Swift - Maintain and develop CI/CD systems within the project - Collaborate with team members to design new functionality - Ensure code quality - Test developed functionality - Create project documentation in accordance with applicable standards Requirements - Minimum 6 years of experience in iOS development - At least 5 years of experience in mobile application development for the iOS platform - Expertise in Swift and Xcode - Proficiency with SwiftUI, UIKit, and CocoaPods, SPM, or Carthage - Knowledge of AI toolsets - Familiarity with user-interface design patterns and principles - Advanced English - Fluent Polish - Residence in Poland

🏢 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: Offer for an experienced iOS Developer to design, develop, and maintain high-quality mobile applications using Swift and modern iOS frameworks. The role involves building new features, maintaining existing apps, ensuring code quality, and collaborating within agile teams. It also includes working with CI processes and overseeing deliverables from external teams in a hybrid setup. 🗂️ Requirements: Minimum 3 years iOS development experience, Minimum 3 years commercial experience with Swift, Strong knowledge of RESTful services, Strong experience with SwiftUI, Experience with async/await and concurrency, Experience with MVVM architecture, Experience with Clean Architecture, Experience with multithreading and asynchronous programming, Experience working in Scrum teams, Ability to set up and maintain iOS development environments 📃 Skills: Swift, SwiftUI, REST, async/await, Concurrency, MVVM, CleanArchitecture, Multithreading, Scrum, CocoaTouch, Git, Jira, Confluence, XCTest, Firebase, MapBox, Fastlane, CI 🏢 Description: Introduction & Summary We are seeking an experienced iOS Developer with a strong background in mobile development and expertise in Swift. The ideal candidate will have a minimum of three years of relevant experience, specifically in developing iOS applications. Proficiency in modern development tools and frameworks is essential, with a focus on producing high-quality, user-centric mobile solutions. Main Responsibilities The iOS Developer will be involved in various mobile development projects, ensuring high standards in the delivery of mobile applications. Engage in technical discussions with internal and external development teams. Oversee and ensure the quality of deliverables from external teams. Develop new features for mobile applications. Provide support and maintenance for existing mobile applications. Install and maintain development environments for iOS projects. Collaborate with the quality team to create automatic and continuous integration processes. Test mobile solutions in real-world conditions, which may occasionally involve driving company vehicles. Key Requirements At least 3 years of experience in mobile development (iOS). At least 3 years of experience developing in Swift. Strong knowledge and experience in RESTful services. Strong knowledge and experience with SwiftUI. Experience with async/await and concurrency (Swift 6). Experience with MVVM architectures. Experience with Clean Architecture. Experience with multi-threading and asynchronous logic. Experience working in agile teams using Scrum. Nice to Have Knowledge of Cocoa Touch and other Apple frameworks. Experience with Git Flow. Familiarity with Jira and Confluence. Interest in product design and UI implementation on iOS. Experience with XCTest. Deep knowledge of software architecture and development practices. Experience with Firebase and MapBox. Experience with fastlane. Other Details This position is hybrid, requiring in-office attendance from 2 days per month to up to 3 days per week, depending on project needs.

🏢 Summary: Remote or hybrid B2B role for a Fullstack Mobile Developer working on a large-scale fintech platform for real-time payments and financial services. The role covers end-to-end delivery of scalable mobile and backend solutions, with Kotlin Multiplatform, Spring-based services, distributed systems, and secure high-volume transaction processing. 🗂️ Requirements: 5+ years of software development experience, Fullstack development experience with a strong mobile focus, Hands-on Kotlin Multiplatform experience, Client-side and Clean Architecture expertise, Spring Framework and Spring Boot experience, Distributed systems and microservices architecture knowledge, Kafka, REST API, and event-driven architecture experience, Docker, Kubernetes, and CI/CD experience 📃 Skills: Kotlin, KMP, Spring, SpringBoot, Kafka, REST, Docker, Kubernetes, CI/CD, Microservices, AWS 🏢 Description: Job title: Fullstack Mobile Developer (Kotlin Multiplatform) Location: Poland / Remote/ Warsaw Work mode: Remote/ Hybrid Type of cooperation: B2B contract Salary range: B2B  6500 - 7500 Euro/month- netto About the company/project: We are looking for a talented and passionate Fullstack Mobile Developer to join our team and contribute to the development of innovative, customer-facing digital products in a fast-paced and technology-driven environment. As part of the team, you will work on a large-scale fintech platform supporting real-time digital payments, money transfers, account balance management, merchant payments, and financial service integrations. The solution serves a large user base and processes high volumes of transactions through a combination of mobile applications, distributed backend services, APIs, and secure transaction processing systems. This is an opportunity to work on a business-critical product where scalability, reliability, security, and user experience are at the core of every engineering decision. The platform operates in a highly demanding environment, requiring modern software architecture, seamless integration between mobile and backend systems, and the ability to deliver performant solutions at scale. Working on such a product offers exposure to complex technical challenges, high-traffic systems, and the unique demands of building secure financial services used by millions of end users. Responsibilities: Design, build, and maintain complex mobile systems at scale, integrating advanced technologies Develop advanced fintech products with end-to-end ownership and operational responsibility Lead and deliver fullstack solutions from concept to production Collaborate closely with cross-functional teams to continuously improve the product Design and implement scalable and robust software architectures Ensure high code quality, performance, and system reliability You are an ideal candidate if you have: 5+ years of software development experience Strong Fullstack experience with a significant focus on Mobile Hands-on experience with Kotlin Multiplatform (KMP) Deep understanding of client-side architecture and Clean Architecture Experience with Spring Framework and Spring Boot Strong understanding of distributed systems and microservices architecture Experience working with Kafka, REST APIs, and event-driven architectures Experience with Docker, Kubernetes, and CI/CD processes Familiarity with AWS – an advantage Nice to have: Strong communication and teamwork skills Ability to thrive in a fast-paced, dynamic environment Proactive, “Can-Do” attitude Strong problem-solving and system-thinking abilities What we offer: