Senior Development Engineer; iOS; m/f/x
Job in
Madrid, Boone County, Iowa, 50156, USA
Listed on 2026-05-23
Listing for:
osapiens
Full Time
position Listed on 2026-05-23
Job specializations:
-
Software Development
App Developer - Mobile/Web, iOS Developer, Full Stack Developer, React.js
Job Description & How to Apply Below
Location: Madrid
Senior Development Engineer (iOS) (m/f/x)
Department: osapiens Hub
Employment Type: Permanent - Full Time
Location: Madrid
DescriptionYou’ll join the Mobile Platform Core team, helping us to drive our efforts to deliver an innovative mobile client framework to support app development for a variety of solutions as a mobile framework developer.
Key Responsibilities- Develop, maintain, and improve the iOS native client that supports our React Native app.
- Ensure feature parity with existing Android native client.
- Collaborate with cross‑functional teams, including React Native developers, designers, and backend engineers, to deliver a seamless mobile experience.
- Investigate and resolve issues related to iOS native modules and their integration with React Native.
- Stay updated with the latest iOS development best practices, frameworks, and technologies.
- Assist the team in implementing new React Native requirements within the iOS ecosystem when needed.
- Perform code reviews, testing, and debugging to ensure high‑quality software.
- Strong expertise in iOS native development (Swift, Objective‑C).
- Solid understanding of iOS frameworks such as UIKit, Core Animation, Core Data, etc.
- Experience integrating third‑party libraries and APIs into iOS applications.
- Basic to intermediate knowledge of React Native—understanding of how it interacts with native iOS components and optimizing React Native apps on iOS.
- Familiarity with Swift
UI and React Native bridging, allowing native modules to be used in JavaScript, would be nice to have. - Any experience working in a microservices or modular native app architecture would be welcome.
- Understanding of Apple’s Enterprise Developer Program and MDM app distribution best practices would be ideal.
- A purpose‑driven mission with and for global industry pioneers in tackling complex challenges
- Room for creativity through collaborative teamwork and an open communication culture
- Flexibility and team bonding with our hybrid work options
- Fuel for your growth journey, both personally and professionally
- Sustainable mobility options, promoting eco‑friendly commuting solutions
- Fun team events and outings with our global teams
- Inspiring work spaces in Mannheim and beyond
Position Requirements
10+ Years
work experience
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