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osapiens

Senior Development Engineer (iOS) (m/f/x)

osapiens
Spain · Full-time · Mid-Senior
Department: osapiens Hub

Location: Madrid

Description

You’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.

Skills, Knowledge And Expertise

  • 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 SwiftUI 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.

Benefits

  • 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 workspaces in Mannheim and beyond

Key Skills

Ranked by relevance

ios react react native microservices javascript animation android swift
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Country Guide

Spain

Strong city options with excellent lifestyle

Posted
May 05, 2026
Type
Full-time
Level
Mid-Senior
Location
Madrid
Company
osapiens

Industries

Software Development

Categories

Engineering Information Technology

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