Senior iOS Engineer — Modernize with SwiftUI & MVVM-C

Rebtel-Networks-Ab; Stockholms kommun; On-site; SEK 900,000 - 1,200,000; Full time

Benefits offered by this job

Pension Plan

Health Checkups and Private Medical保险

Occupational insurance

Wellness allowance (5,000 SEK)

Discount on gym memberships

30 days annual vacation

Relocation Support

Job summary

Rebtel is seeking a Senior iOS Engineer to join our Frontend team in Stockholm. You will help modernize the Rebtel iOS app, moving from Objective-C to Swift/SwiftUI and Combine, and shift from VIPER to MVVM-C architecture while shipping features to a global user base.

You will work in a small, empowered team where technical decisions matter, balancing building new features, refactoring legacy code, and shaping the future of our iOS platform with cross-functional collaboration.

Qualifications

• 5+ years building iOS apps.
• Proficient in Swift, SwiftUI, and Combine.
• Comfortable maintaining and modernizing legacy Objective-C.
• Solid grasp of iOS architecture patterns (MVVM-C, VIPER).
• Shipped production iOS apps to the App Store, including post-release monitoring.
• Experience with REST and/or GraphQL, with solid error handling and async patterns.
• Can work independently and ship without constant oversight.
• Write unit tests, cover edge cases, and give code reviews that favor simple solutions.
• Work effectively with AI coding tools.
• Good English (we write and speak it all day).

Responsibilities

• Drive the modernization from legacy Objective-C to a modern Swift + SwiftUI stack.
• Refactor code that slows us down and proactively pay down tech debt.
• Build and modernize iOS features using Swift, SwiftUI, and Combine.
• Contribute to architecture decisions (VIPER to MVVM-C transition, Combine, platform improvements).
• Collaborate closely with Android, Web, Product, Design to ship the right solutions.
• Ship to the App Store and monitor what happens after release.
• Improve tooling, testing practices, and CI/CD where needed.
• Maintain and improve the overall health of the iOS platform.

Skills

Swift

SwiftUI

Combine

MVVM-C

VIPER

English

REST/GraphQL

Unit tests

Job description

Rebtel is seeking a Senior iOS Engineer to join our Frontend team in Stockholm. You will help modernize the Rebtel iOS app, moving from Objective-C to Swift/SwiftUI and Combine, and shift from VIPER to MVVM-C architecture while shipping features to a global user base.

You will work in a small, empowered team where technical decisions matter, balancing building new features, refactoring legacy code, and shaping the future of our iOS platform with cross-functional collaboration.