Senior iOS Developer

Sigma Technology; Sweden; On-site; SEK 700,000 - 900,000; Full time

Job summary

Sigma Technology in Sweden is seeking a seasoned Senior iOS Developer to design, build, and maintain high-quality iOS apps with a strong focus on UX, performance and code quality. You will collaborate with product managers, designers and fellow developers to deliver robust features that delight users.

The ideal candidate brings expertise in Swift and Objective-C, hands-on experience with Core Data, Core Animation and UIKit, and a solid understanding of RESTful APIs, testing, CI/CD and Agile

Qualifications

• Proven experience as an iOS Developer with a strong portfolio of released apps.
• Experience with iOS frameworks Core Data, Core Animation and UIKit.
• Strong understanding of UI/UX principles and application design.
• Familiarity with RESTful APIs to connect iOS apps to back-end services.
• Experience with version control tools, preferably Git.
• Ability to optimize applications for performance and scalability.

Responsibilities

• 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

Skills

Portfolio of released apps

UI/UX principles

Code quality

Performance optimization

Team collaboration

Tools

Swift

Objective-C

Core Data

Core Animation

UIKit

RESTful APIs

Git

CI/CD

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, 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

I hereby agree that my data may be handled in accordance with our Privacy Policy .