> Markdown version of [/jobs/ext/3008888-mobile-developer-app-ios-and-android](https://www.wearedevelopers.com/jobs/ext/3008888-mobile-developer-app-ios-and-android). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mobile Developer App Ios And Android - **Company:** Quantion - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** A/B Testing, Android Software Development, IOS Applications, Apple IOS, Mobile Application Development, E-Business, Mobile Application Software, Software Engineering, Backend - **Published:** September 20, 2026 - **Apply:** https://www.buscojobs.com.es/mobile-developer-app-ios-and-android-m-f-d-en-madrid-ID-371969425 ## About the Role Required skills: * Strong experience in native mobile development, ideally across both iOS and Android. * Solid experience working with existing native iOS/Android applications. * Experience working with Server-Driven UI (SDUI) components; mainly maintaining and extending existing components. * Medium-to-high or high experience with experimentation and A/B testing, ensuring experiments can be successfully implemented and run within the mobile app. * Ability to work across iOS and/or Android, with strong expertise in at least one platform considered. * Experience developing native mobile applications is a nice to have, but not mandatory. * Very good command of the English language Our offering ## Description Who we are?Quantion is a Business Digital Transformation services company founded in **** and part of the Astek Group group operating in more than 25 countries with over 10,000 employees worldwide.Our team is specialized in application development, UX/UI, and digital business transformation, focused on building innovative solutions that drive measurable business results.We combine our teams in cutting-edge technologies and digital deep experiences with the innovation ecosystem, to ensure that we can provide the best solution to face business challenges, from its concept to its implementation.* Experienced developers to learn from, * Weekly dev talks, time for refactoring and improvements, * Dev team has freedom to choose frameworks/libraries, * Individual development plan with trainings, * Possibility to go to conferences.We are looking for candidates with prior app-native development experience.The role will: * Build and maintain native mobile app features across iOS and Android.* Work with SDUI/native component frameworks used in the existing app setup.* Support experimentation and A/B testing use cases in the mobile app.* Collaborate with product, design, backend, and engineering teams to deliver testable mobile features.Required skills: * Strong experience in native mobile development, ideally across both iOS and Android.* Solid experience working with existing native iOS/Android applications.* Experience working with Server-Driven UI (SDUI) components; mainly maintaining and extending existing components.* Medium-to-high or high experience with experimentation and A/B testing, ensuring experiments can be successfully implemented and run within the mobile app.* Ability to work across iOS and/or Android, with strong expertise in at least one platform considered.* Experience developing native mobile applications is a nice to have, but not mandatory.* Very good command of the English language Our offering:You will grow professionally in a company in constant development and evolution.You will benefit from a personalized follow-up of your professional projects as close as possible to your ambitions.You will make a real contribution to the companys development in real time.? You will enjoy 23 days of vacation.You will join our team: diverse, multicultural and constantly growing.You will have days full of good energy and good atmosphere.