CoreWillSoft GmbH is a German-based company working on secure IoT software solutions and services. The mission of CoreWillSoft is to help businesses protect their assets, employees, and data by providing advanced software solutions and services in the security industry. 

We are looking for an iOS Engineer to work on our products and services that are being used by multiple businesses across Western Europe. Our team operates in a scaled agile approach across Europe with a headquarter in Bonn, Germany. It is responsible for the complete software development lifecycle; including ideation, implementation, and operation of the secure IoT software operating smart buildings and smart homes across the world. 

Location: 

• Bonn, Germany 
• Remote

We offer: 

• Great customer impact: the solutions you deliver will be used by thousands of large and small businesses. 
• Ability to shape the product, working, and delivery process 
• Great team spirit and Team Events 
• Agile and innovative environment 
• Cutting edge technology 
• Working on the latest Apple Hardware 
• Convenient office or co-working, depending on your location

Your skills: 

• You are experienced in iOS development including SDK and third-party frameworks. 
• You worked with Swift before and know how to utilize the language in the most efficient way.  
• You are experienced in client-server architectures using HTTPS, REST, and JSON. 
• You have a in-depth understanding of application architectures, design patterns and best coding practices (SOLID, GoF, Clean/Hexagonal architecture). 
• You have an understanding of unidirectional architectures (FLUX/Redux/TCA). 
• You are knowledgeable in CoreData or SQLite (GRDB). 
• You have strong unit testing skills (XCTest, Nimble). 
• You are using the modern iOS tooling daily (fastlane, match, SwiftGen, Sourcery, Mint, etc.).  
• You understand the iOS code signing and AppStore Connect publishing process. 
• You possess the ability to write runtime optimized code and have an understanding of algorithmic complexity. 
• You bring a test-driven mindset. 
• You are experienced in continuous integration/continuous delivery (fastlane, GitHub Actions, Bitrise). 
• You enjoy working in an agile and fast-paced environment with changing or competing requirements. 
• You are eager to acquire and share new talents in a highly skilled team. 
• You understand general security concepts and encryption techniques. 
• Experience with iOS security frameworks (CommonCrypto, CryptoKit, Security framework) and best practices (OWASP, iOS security guidelines).

Nice to have: 

• Experience with IoT products in building automation and physical access control (CoreBluetooth, CoreNFC). 
• Prior experience with Objective-C. 
• Cross-platform development experience (KMP, React Native, Flutter). 

Join us to work on cool and innovative projects involving high-security hardware in a nice international and creative environment that allows you to learn and advance!