Senior iOS Developer

### Job description We are seeking an experienced Senior iOS Developer to join our dynamic team. The ideal candidate will have a strong background in developing high-quality mobile applications for the iOS platform, with a focus on code quality, user experience, and performance. You will collaborate closely with cross-functional teams to design, build, and maintain advanced applications and ensure the best possible performance, quality, and responsiveness of the applications. - Design, develop, and maintain advanced iOS applications - Collaborate with product managers, designers, and other developers to deliver high-quality features - Write clean, maintainable, and efficient code - Identify and fix bugs and performance bottlenecks - Ensure the performance, quality, and responsiveness of applications - Stay up-to-date with new iOS technologies and industry trends - Participate in code reviews and contribute to team best practices ### Basic qualifications - Proven experience as an iOS Developer with a strong portfolio of released applications on the App Store - Proficiency in Swift and Objective-C programming languages - Experience working with iOS frameworks such as Core Data, Core Animation, and UIKit - Strong understanding of mobile app design principles and UI/UX standards - Familiarity with RESTful APIs to connect iOS applications to back-end services - Experience with version control tools, preferably Git - Ability to optimize applications for performance and scalability ### Preferred additional skills, personal traits and experience - Experience with automated testing and performance tuning - Knowledge of Apple's design principles and interface guidelines - Familiarity with cloud message APIs and push notifications - Understanding of Agile methodologies - Experience with continuous integration and deployment (CI/CD) tools ### More information For more information please contact Thomas Hermansson, +46 702313255 [Thomas.Hermansson@sigmatechnology.com](mailto:Thomas.Hermansson@sigmatechnology.com) - #### Position Senior iOS Developer - #### Company Sigma Technology Software Solutions - #### Location Sweden - #### Competence area Software development - #### Publication date 2026-08-17 - #### Expiration date 2026-09-30 - #### Contact Thomas Hermansson, Thomas.Hermansson@sigmatechnology.com, +46702313255 [Apply](https://profiler.sigma.se/login/candidate?returnUrl=jobs/8268/quick-apply&culture=en-US)