We are seeking a Senior Software Engineer to play a pivotal role in the development and evolution of a mobile-first enterprise application. This role focuses on delivering a high-quality iOS (iPad) solution built using C#, JavaScript, and hybrid mobile technologies, while collaborating closely with a distributed international engineering team.About the ProjectYou will work on an iPad-based warehouse management companion application. The solution is primarily written in C# with a JavaScript-based frontend and is generated and deployed to iOS using a hybrid framework (Cordova). The project requires close integration with backend APIs and a solid understanding of Apple’s iOS ecosystem, including building, signing, deploying, and testing applications on Apple devices. Strong emphasis is placed on reliability, performance, and long-term maintainability.Key Responsibilities: Execute the full mobile software development lifecycle from design to deployment and maintenance; Design, build, and maintain efficient, reusable, and reliable C# and JavaScript code for a hybrid iOS application; Develop well-designed, testable solutions that meet defined functional and technical requirements; Manage iOS-specific build, signing, deployment, and testing processes on Apple devices; Integrate mobile application features with backend services and APIs; Perform unit and integration testing to ensure solution reliability and stability; Resolve build pipeline issues and maintain application versions in line with Apple App Store standards; Ensure optimal performance, quality, and responsiveness of developed solutions; Support continuous technical growth within the team through code reviews, constructive feedback, and best practices; Provide impact analysis for proposed upgrades and enhancements; Assist system and test teams in troubleshooting issues and identifying functional gaps; Collaborate effectively with international team members while working European hours. Qualifications: Senior-level experience (approximately 8+ years) in software development; In-depth knowledge of the .NET framework and C#; Proven experience with iOS application development, either native or via hybrid/code-generation frameworks such as Cordova; Strong experience with JavaScript (ES6+); Solid understanding of object-oriented programming principles and clean code practices; Experience with API-driven application development; Familiarity with Agile development methodologies, particularly Scrum; Experience with version control systems, especially Git; Hands-on experience building, deploying, and testing applications on Apple devices; Cordova plugin integration experience is considered an advantage. The Recruitment Process Includes: 30-minute HR screening call; Technical interview focused on frontend engineering; Team and product discussion; Offer and alignment call.