Senior iOS Engineer - Secure FinTech Mobile

IN Groupe; Rudersdal Kommune; On-site; DKK 600,000 - 900,000; Full time

Job summary

IN Groupe seeks an experienced Senior iOS Developer to design, develop, and maintain secure, high-quality iOS applications for the financial services sector. You will collaborate with product managers, UX/UI designers, backend engineers, security specialists, and QA engineers to deliver enterprise-grade mobile solutions.

You will own features end-to-end, using Swift, SwiftUI, UIKit, Combine, and modern iOS patterns, with emphasis on performance, security, reliability, and a great user

Qualifications

• :7+ years of professional software development experience, with significant iOS experience.
• :Master's degree in Computer Science, Software Engineering, Information Technology, or related field preferred.
• :Experience with native tools (Xcode, Swift and Objective-C).
• :Swift expert; good knowledge of Objective-C.
• :Strong unit test design awareness and architecture mindset.
• :Familiar with iOS app architecture patterns and best practices.
• :Proficient in English, written and spoken.

Responsibilities

• Design, develop, test, and maintain native iOS applications using Swift and modern iOS frameworks.
• Take ownership of complex features and deliver high-quality, production-ready solutions.
• Develop secure mobile applications following financial-industry and enterprise security standards.
• Work with Swift, SwiftUI, UIKit, Combine, async/await, and modern iOS architecture patterns.
• Integrate mobile applications with REST APIs, authentication services, and backend systems.
• Implement secure authentication and authorization mechanisms including OAuth 2.0 and biometrics.
• Apply mobile security best practices like data storage, encryption, and certificate validation.
• Collaborate with DevOps to support CI/CD pipelines, automated builds, testing, and App Store releases.

Skills

iOS development

Swift

Objective-C

Unit testing

App architecture

English proficiency

Education

Master's degree in Computer Science or related field

Tools

Xcode

Jira

Confluence

Job description

IN Groupe seeks an experienced Senior iOS Developer to design, develop, and maintain secure, high-quality iOS applications for the financial services sector. You will collaborate with product managers, UX/UI designers, backend engineers, security specialists, and QA engineers to deliver enterprise-grade mobile solutions.

You will own features end-to-end, using Swift, SwiftUI, UIKit, Combine, and modern iOS patterns, with emphasis on performance, security, reliability, and a great user