Mobile Engineer with native iOS and some Android (Swift and Kotlin)

🏢 Summary: Senior iOS Engineer role focused on leading the end-to-end development of an AI-driven healthcare mobile application evolving into a full healthcare management platform. The position offers high ownership over mobile architecture, close collaboration with product, and responsibility for building secure, production-ready Swift features in a small, fast-moving team. It emphasizes pragmatic delivery, performance, usability, and security in a real-world healthcare environment. 🗂️ Requirements: Senior-level experience in software engineering, Strong expertise in native iOS development, Proficiency in Swift, Solid understanding of software architecture, Solid understanding of system design principles, Ability to deliver high-quality solutions pragmatically and quickly, Experience implementing secure coding practices 📃 Skills: Swift, iOS, Firebase, AI, Mobile, Security 🏢 Description: We’re building a next-generation AI-driven healthcare application and evolving it into a full-scale healthcare management platform. The focus is simple: ship meaningful features fast, keep things secure, and build software that actually solves real-world problems in healthcare—not theoretical architecture diagrams. We’re looking for a Senior iOS Engineer (Swift) who wants ownership, impact, and close collaboration with product in a small, highly focused team. What you’ll be doing You’ll take a leading role in shaping and delivering our iOS application end-to-end. This isn’t a “just implement tickets” role—you’ll own the mobile experience and help define how it evolves. Own the implementation and ongoing development of the iOS app Build practical, production-ready features in Swift with a strong focus on performance and usability Design architecture that is clean, adaptable, and avoids unnecessary complexity Work closely with product teams to translate ideas into working solutions quickly Ensure security best practices are embedded into everything you build, including vulnerability awareness and mitigation Help evolve the app as it grows into a broader healthcare platform What we’re looking for Must-haves: Experience as a Senior Software Engineer (or equivalent hands-on senior role) Strong expertise in native iOS development using Swift Solid understanding of software architecture and system design principles Ability to balance engineering quality with fast, pragmatic delivery Nice-to-haves: Startup experience where you’ve worn multiple hats Familiarity with Firebase or similar mobile backend tools Exposure to regulated environments (healthcare, finance, etc.) Experience with AI-native mobile features or growth-focused mobile products Why this role is interesting You’ll work on a real AI healthcare product with real-world impact Small, focused 5-person engineering team —no bureaucracy Direct collaboration with product (fast decisions, tight feedback loops) High ownership and autonomy over mobile architecture and delivery Remote-first and flexible working setup Opportunity to shape a platform from early-stage to scale

🏢 Summary: Senior iOS Engineer role for a 6-month remote B2B contract focused on developing and maintaining high-impact mobile applications for a leading European media and entertainment provider. The position involves building scalable iOS solutions for live sports, fan engagement, and premium content platforms used by millions of users. The project emphasizes modern architecture, quality, and continuous delivery in a fast-paced environment. 🗂️ Requirements: Strong knowledge of Swift and SwiftUI, Experience building production-grade iOS applications, Hands-on experience with iOS SDK, Experience integrating iOS applications with APIs, Ability to build scalable and responsive UIs for iPhone and iPad, Understanding of SOLID principles and mobile architecture patterns, Experience with CI/CD pipelines, Experience with unit and UI testing, Proficiency in Git and branching strategies, Understanding of Agile methodologies 📃 Skills: Swift, SwiftUI, iOS, SDK, API, SOLID, CI/CD, UnitTesting, UITesting, Git, Agile 🏢 Description: Project details: Role: Senior iOS Engineer, Duration: 6 months (with the possibility of further extension), Start: ASAP, the kick-off of the project is planned for April 2026, Contract: B2B, Equipment: Laptop provided by the customer, Work mode: 100% remote from Poland. About our customer: Our customer is a rapidly growing international software company that specialises in delivering media and entertainment projects. It is expanding its capabilities in the areas of the Internet of Things (IoT), cloud computing and tailored artificial intelligence (AI) solutions. They collaborate with global organisations to design and implement strategic infrastructures, content workflows, and consumer-facing digital applications. This role will enable you to support their ongoing European expansion while working on a high-impact digital product used by millions. About the project: Project for Large European Media & Entertainment Provider. You will work on behalf of the customer for one of Europe's leading media and entertainment companies, an organisation known for delivering premium content, live sports, award-winning news and innovative digital products to millions of users. The client operates in a fast-paced, innovation-driven environment and is continuously evolving its digital experiences across mobile, streaming and interactive platforms. Their teams are recognised for developing cutting-edge technology solutions that prioritise customer experience and large-scale impact. Your work will focus on mobile applications related to: Live sports experiences, Fan engagement features, Premium news and content experiences. Required Skills: Strong knowledge of Swift and SwiftUI, with experience building production iOS applications , Hands‑on experience with the iOS SDK and eagerness to adopt new frameworks/libraries to enhance productivity, Ability to build scalable, responsive user interfaces for both iPhone and iPad , Experience integrating iOS applications with API services , Solid understanding of SOLID principles and common mobile architecture/design patterns, Experience across the broader development lifecycle : software architecture, monitoring & observability, automated CI/CD pipelines. Experience with Unit Testing and UI Testing , Strong Git hygiene, including branching strategies and clean commit practices, Good understanding of Agile values, ceremonies, estimation and planning. Responsibilities: Lead the development and maintenance of high‑quality iOS applications used by millions, Build scalable features following modern iOS development practices and clean architecture, Collaborate with cross‑functional teams (product, design, backend) from both the consultancy and the end client, Ensure smooth performance, stability and excellent user experience across iOS devices, Contribute to architectural discussions and support technical decision‑making, Maintain high test coverage and support continuous integration & delivery processes, Improve monitoring, observability and overall product quality, Mentor and support other team members when needed.

🏢 Summary: B2B contract for a Senior Android Engineer to develop and maintain high‑impact mobile applications for a leading European media and entertainment provider. The role focuses on building scalable Android solutions for live sports, fan engagement and premium content platforms used by millions of users. It is a 6‑month remote project (with possible extension) starting ASAP. 🗂️ Requirements: Strong experience with Kotlin, Commercial experience with Jetpack Compose, Experience building responsive UIs for phones and tablets, Experience developing and maintaining mobile backend services, Knowledge of SOLID principles and mobile architecture patterns, Experience with Dagger or Hilt for Dependency Injection, Experience with Kotlin Coroutines, Experience with AndroidX Architecture Components, Experience with modular Android development, Experience with Firebase SDKs, Experience with CI/CD pipelines, Experience with observability and performance monitoring, Experience with Unit Testing and UI Testing, Proficiency with Git workflows, Practical experience working in Agile environments 📃 Skills: Kotlin, JetpackCompose, Android, AndroidX, Coroutines, RxJava, Dagger, Hilt, Firebase, Git, CI/CD, UnitTesting, UITesting, SOLID, Agile 🏢 Description: Project details: Role: Senior Android Engineer Duration: 6 months (with the possibility of further extension), Start: ASAP, the kick-off of the project is planned for April 2026, Contract: B2B, Equipment: Laptop provided by the customer, Work mode: 100% remote from Poland. About our customer: Our customer is a rapidly growing international software company that specialises in delivering media and entertainment projects. It is expanding its capabilities in the areas of the Internet of Things (IoT), cloud computing and tailored artificial intelligence (AI) solutions. They collaborate with global organisations to design and implement strategic infrastructures, content workflows, and consumer-facing digital applications. This role will enable you to support their ongoing European expansion while working on a high-impact digital product used by millions. About the project: Project for Large European Media & Entertainment Provider. You will work on behalf of the customer for one of Europe's leading media and entertainment companies, an organisation known for delivering premium content, live sports, award-winning news and innovative digital products to millions of users. The client operates in a fast-paced, innovation-driven environment and is continuously evolving its digital experiences across mobile, streaming and interactive platforms. Their teams are recognised for developing cutting-edge technology solutions that prioritise customer experience and large-scale impact. Your work will focus on mobile applications related to: Live sports experiences, Fan engagement features, Premium news and content experiences. Required Skills: Strong expertise in Kotlin and Jetpack Compose, Experience building responsive UIs for phones and tablets, Experience creating and maintaining mobile backend services, Solid understanding of SOLID principles and mobile architecture patterns, Dagger/Hilt for Dependency Injection, Kotlin Coroutines (must‑have); RxJava (nice‑to‑have), AndroidX Architecture Components, Experience with modular Android app development, Familiarity with Firebase SDKs, Experience with CI/CD pipelines , observability and performance monitoring, Strong background in Unit Testing and UI Testing, Excellent Git workflows, branching and commit practices, Practical understanding of Agile principles, ceremonies, planning and estimating. Responsibilities: Lead the development and maintenance of high‑quality Android applications serving millions of users, Implement scalable features using modern Android best practices and clean architecture, Collaborate with designers, backend developers and product owners across both the consultancy and the end client, Ensure performance, reliability and exceptional user experience across diverse Android devices, Participate in architectural decision-making and contribute to platform‑wide best practices, Maintain strong test coverage and contribute to continuous integration and delivery pipelines, Contribute to monitoring, observability and performance improvements, Coach and support other engineers when needed.

🏢 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: 4-month freelance contract for a Senior React Native Developer to build and maintain a cross-platform mobile application for iOS and Android based on an existing web platform. The role focuses on implementing new features, integrating APIs, optimizing performance, and contributing to architecture and code quality. The application supports monitoring and operational control of autonomous cleaning robots in large commercial facilities. 🗂️ Requirements: Availability from July 1st, 4+ years of commercial software development experience, Strong knowledge of React Native, Strong knowledge of TypeScript, Experience with REST API integrations, Understanding of App Store release processes, Understanding of Google Play release processes, Experience working in Agile teams, Proficiency with Git 📃 Skills: React, ReactNative, TypeScript, REST, Git, iOS, Android, Swift, Kotlin, CI/CD, Agile 🏢 Description: We are looking for an experienced Senior React Native Developer responsible for building and maintaining modern mobile applications for both iOS and Android platforms. The person in this role will collaborate closely with the project team on application architecture, implementation of new features, and performance optimization. This is a 6-month freelance contract (with a possibility of extension, though not guaranteed). Requirements: Availability starting July 1st 4+ years of commercial software development experience strong knowledge of React Native and TypeScript experience with REST API integrations understanding of App Store and Google Play release processes experience working in Agile teams good knowledge of Git Nice to have: experience with native iOS (Swift) or Android (Kotlin) development familiarity with CI/CD pipelines for mobile applications experienced in using AI tools in day-to-day workflow Responsibilities: Develop and maintain a cross-platform mobile application using React Native for iOS and Android. Implement new features based on the existing web application and business requirements. Collaborate with backend, web, QA, and product teams to ensure seamless integration and consistent user experience. Integrate REST APIs and real-time communication mechanisms. Optimize application performance, stability, and scalability. Participate in architecture discussions, code reviews, and technical decision-making. Troubleshoot, debug, and resolve application issues. Contribute to improving development standards, CI/CD processes, and overall code quality Project description: Development of a mobile application based on an existing web platform used for managing autonomous cleaning robots operating in shopping malls, airports, and other large commercial facilities. The application will support robot monitoring, task management, real-time status tracking, and operational control for end users.

🏢 Summary: Long-term remote B2B project for a Mobile Developer focused on native mobile application development using SwiftUI, iOS, and Kotlin. The role requires strong experience in native mobile apps and German language proficiency at B2 level or higher. The project starts in October 2026 with a minimum commitment of 4 working days per week. 🗂️ Requirements: Experience with native mobile application development, Strong knowledge of SwiftUI, Experience with Kotlin, German language proficiency at B2 level or higher, Availability for minimum 4 working days per week 📃 Skills: SwiftUI, iOS, Kotlin 🏢 Description: About the role We are looking for a Mobile Developer to join a long-term project focused on native mobile application development. Tech stack SwiftUI, iOS, Kotlin Requirements Experience with native mobile application development. Strong knowledge of SwiftUI (iOS). Experience with Kotlin. German language proficiency at B2 level or higher (C1 preferred). We offer B2B contract. Rate: 130–180 PLN/hour . Remote work. Long-term project Minimum commitment of 4 working days per week. Project start in October 2026. Recruitment process Screening interview. Client interview. Decision.

🏢 Summary: Full-stack Engineer role building and shipping end-to-end features for a health-tech AI product, covering internal clinician tooling and a client-facing app. The position involves integrating diagnostics, wearable and lab data, and leveraging AI coding agents as a core part of the development workflow. Engineers are expected to own architecture decisions, security, and delivery across the full stack in a fast-moving remote environment. 🗂️ Requirements: 4+ years professional software engineering experience, At least two shipped products used by real users, Strong Computer Science fundamentals (data structures, systems, software design), Experience with both backend and frontend development, Daily use of AI coding agents in development workflow, Experience with strict typing, linting, and automated testing, Ability to design and implement secure architectures, Availability during Central European morning hours, Fluent English for technical communication 📃 Skills: Fullstack, Backend, Frontend, APIs, Security, AI, Testing, Linting, Typing, Databases, Wearables, Integration 🏢 Description: 💰 Salary: $5,000-$7,000/month (depending on seniority) 🌎 100% remote 🕦 Full-time position, long-term ☑️ B2B contract We are looking for a Full-stack Engineer to join our client, a Singapore-headquartered health-technology and AI startup focused on longevity and preventative care. The product combines diagnostics, wearable signals, lab data, and AI to coordinate personalised health programmes for individual clients. You will own features end-to-end across two surfaces: internal tooling used by in-house clinicians to assemble recommendations, and the client-facing app that turns those recommendations into daily actions. AI coding agents are part of the daily workflow, and every engineer is expected to push what these tools can do, not treat them as autocomplete. The tech stack is intentionally not fixed; the bar is engineering judgement and shipping speed. Requirements 4+ years of professional software engineering experience, with at least two products shipped to real users Computer Science background, or an equivalent track record that shows the same depth in data structures, systems, and applied software design Strong fundamentals across both server and client work, regardless of which language or framework you used most recently Daily use of AI coding agents in your workflow, with an honest read on where they currently help and where they fail Comfort with strict typing, linting, automated tests, and the rest of a modern production setup Reliable availability during Central European morning hours, so meetings line up with Singapore afternoons Fluent English for technical discussions and written documentation Responsibilities Build and ship features across the full stack, from schema design through to the final UI details Develop the internal dashboards used by medical practitioners to interpret client data and assemble recommendations Develop the client-facing application that delivers daily health guidance to end users Design and tune the security posture separately for internal practitioner tooling and external consumer surfaces Integrate inputs from wearables, lab providers, and the physical clinic environment into one coherent product Push the AI tooling stack hard, both as part of the development process and inside product features Operate as a product-minded engineer: spot problems early, propose solutions, and drive them through to release Get to know DevsData We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team. We employ people with experience in international corporations as well as the ones from the best technical and business universities. Find out more: https://devsdata.com

🏢 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: Fullstack Developer role in a long-term, fully remote project focused on building and maintaining a global digital product supporting retail and service operations. The position covers end-to-end product ownership, including development of micro frontends and microservices, cloud deployment, and production support. It offers hands-on work in a modern, scalable, event-driven architecture. 🗂️ Requirements: Strong backend development experience with Java or Kotlin, Solid frontend development experience with React or similar framework, Experience working in AWS cloud environments, Practical experience with microservices architecture, Experience with CI/CD pipelines, Ability to work in trunk-based development setup, Experience with event-driven systems such as Kafka, Familiarity with AI-assisted and agentic development workflows 📃 Skills: Java, Kotlin, React, AWS, Kubernetes, Kafka, GitLab, CI/CD, Microservices 🏢 Description: PROJECT DETAILS: Workload: Full-time Contract: B2B Start : ASAP Model: 100% remote Business Travels: Occasionally BYOD - bring your own device Security check is required as part of the process Initial 6-month contract , with a project planned for at least 3 years Join our project and help build a global digital product used by retailers and service advisors around the world. We are looking for an experienced Fullstack Developer to join the team with a product that supports resale operations and service processes by delivering accurate, optimised information to employees across the dealer network. This is a great opportunity for someone who enjoys working across the full application lifecycle, from development to production , and wants to have a real impact on a modern, business-critical solution. About the role You will be part of a team that owns the product end-to-end — from building new functionality to deploying and maintaining it in production. This is a hands-on engineering role where you will work closely with other developers, contribute to a shared codebase, and help ensure the product remains stable, scalable, and high-quality. You will play an active role in shaping and improving the system. What you will work on Developing and maintaining micro frontends and microservices Improving system performance, stability, and scalability Integrating the platform with internal and external services Continuously improving code quality and development practices Contributing throughout the full lifecycle of the application, including production deployment What we are looking for Strong experience in backend development using Java/Kotlin Solid understanding of frontend development with React or a similar framework Experience working in cloud environments , preferably AWS Practical experience with microservices architecture Experience with CI/CD pipelines and modern software development practices Ability to work in a trunk-based development setup Experience working with event-driven systems , such as Kafka Strong familiarity with AI-assisted and agentic workflows as part of everyday software development Tech stack Frontend: React, micro frontends Backend: Kotlin & Java, microservices Infrastructure: AWS, Kubernetes CI/CD: GitLab Pipelines Messaging: Kafka

🏢 Summary: Java Developer role for a healthcare mobile and web platform, focused on building and extending backend functionality within a large multi-module system. The position involves working with Java 17, Spring Boot, messaging, persistence, and REST APIs in an international environment. 🗂️ Requirements: Strong Java knowledge, Proficiency with core Java features, Experience with Collections Framework, Experience with concurrency, Experience with Java standard library, Experience with Spring ecosystem, Experience with multi-module Maven projects, Experience with messaging systems, Experience with MongoDB, Experience with relational databases, Experience with RESTful API design, Experience with JUnit 5, Experience with Mockito, Good English communication skills 📃 Skills: Java, Java17, Spring, SpringBoot, Maven, JMS, ActiveMQ, MongoDB, SQL, SpringData, REST, JUnit5, Mockito, FHIR, HAPIFHIR, Concurrency, Collections 🏢 Description: We are looking for an experienced Java Developer to join a healthcare project. The product is a mobile app and web platform. The developer will actively contribute to building and extending this functionality as part of the team. We are looking for someone with strong, demonstrable Java knowledge and confidence in core language features, the collections framework, concurrency, and the standard library. The developer should be comfortable working within a large multi-module Maven project built on Java 17 and Spring Boot. Practical experience with: Spring ecosystem (dependency injection, transaction management, event-driven patterns, caching, security) Messaging with JMS / ActiveMQ MongoDB and relational persistence (Spring Data) RESTful API design and inter-service communication JUnit 5 and Mockito for testing Experience with healthcare data standards (FHIR / HAPI FHIR) is a plus but not required. As the client is international , good English communication skills are required .