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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mobile Application Developer - **Company:** European Recruitment - **Location:** Madrid, Spain - **Contract:** Temporary contract - **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Android Software Development, Apple IOS, App Store (IOS), Microsoft Azure, Mobile Application Development, Cloud Computing, Custom Software, Software Debugging, Design of User Interfaces, Mobile Application Software, Cloud Services, Azure Machine Learning, Software Engineering, Systems Integration, Google Cloud, Large Language Models, Generative AI, Backend, Git, Kotlin, Computer Equipment, Build Management, Information Technology, Google Play, Restful APIs, Software Version Control - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/mobile-application-developer-en-madrid-ID-365518793 ## About the Role A bachelor's degree in Computer Science or a related field, with at least 2 years of experience developing and releasing both iOS and Android mobile applications. Technical Skills: You must be proficient in Swift/Objective?C for iOS and Kotlin/Java for Android. You should have experience with mobile UI/UX principles, version control (Git), and integrating with RESTful APIs and cloud services. Collaboration: The ability to communicate effectively and collaborate with a cross?functional team is essential. Preferred: Experience building mobile apps with LLM or generative AI features, familiarity with cloud ML services (AWS, Azure, GCP, OpenAI), and experience publishing and maintaining apps on the App Store and Google Play. ## Description Senior Recruitment Consultant | Software Engineering, Embedded Computing, AI/ML, Semiconductor & SalesMobile Developer (iOS & Android, LLM Applications) | AI Start-up | fixed-term ContractJoin a European deep-tech leader in quantum and AI.A well-funded, fast-growing company backed by major global investors with its groundbreaking technology is already transforming AI, compressing large language models by up to 95% and cutting inference costs by *****%.This is your chance to be part of a team often described as a"quantum-AI unicorn in the making."This is a Hybrid opportunity in Zaragoza.It is a fixed-term contract to work until 30th June ****What You'll DoYou'll design and build native mobile applications for bothiOS and Android , with a focus on integrating our cutting?edge AI and LLM technologies.You will work with our product, design, and backend teams to deliver high?performance user experiences by connecting mobile apps to cloud services and APIs.Your role includes writing clean, maintainable code, debugging, and optimizing apps for quality and scalability.Who We're Looking ForExperience:A bachelor's degree in Computer Science or a related field, with at least 2 years of experience developing and releasing both iOS and Android mobile applications.Technical Skills:You must be proficient inSwift/Objective?Cfor iOS andKotlin/Javafor Android.You should have experience with mobile UI/UX principles, version control (Git), and integrating with RESTful APIs and cloud services.Collaboration:The ability to communicate effectively and collaborate with a cross?functional team is essential.Preferred:Experience building mobile apps with LLM or generative AI features, familiarity with cloud ML services (AWS, Azure, GCP, OpenAI), and experience publishing and maintaining apps on the App Store and Google Play.Compensation:Competitive salary, with a signing bonus and a retention bonus at the end of the contract.Flexibility:This is a hybrid role with flexible working hours.A relocation package is available if needed.Culture:We are a fast?scaling company committed to equal pay, diversity, and an inclusive culture.You'll gain international exposure in a multicultural, cutting?edge environment.Interested?Apply directly through LinkedIn, or send your CV to ******By applying to this role you understand that we may collect your personal data and store and process it on our systems.For more information please see our Privacy Notice Seniority levelMid?Senior levelEmployment typeContractJob functionInformation Technology, Engineering, and OtherSoftware Development, IT System Custom Software Development, and Computer Hardware Manufacturing#J-*****-Ljbffr ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Optimization of Mobile Development Strategies for Maximum Business Impact](https://www.wearedevelopers.com/videos/1182-optimization-of-mobile-development-strategies-for-maximum-business-impact) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [There's an app for that - on the role of cross platform development in the app development ecosystem](https://www.wearedevelopers.com/videos/278-there-s-an-app-for-that-on-the-role-of-cross-platform-development-in-the-app-development-ecosystem) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)