CareerPlan

Senior iOS Engineer

BerlinFull-time2026-01-27 → 2026-11-10
Hybrid

Core

Architect, develop, and maintain the Tandem iOS app to strengthen and scale the current architecture for high-quality features serving 30 million+ members.

Role type

Senior iOS Engineer

Builds

iOS mobile application

Domain

EdTech / Language Learning

Deliverable

production ML models | product features

Required skills

Swift, Objective-C, UIKit, SwiftUI, Reactive Programming, Clean Architecture, CI/CD, Technical Leadership

Preferred skills

Realtime chat and media services, Kotlin Multiplatform, iOS accessibility features, Iterative design

Technologies

Swift, Objective-C, UIKit, SwiftUI, Kotlin Multiplatform

Responsibilities

Mature and modernize existing iOS codebase, Build and ship new product features, Ensure full advantage of iOS platform capabilities, Lead technical design discussions

Seniority

Senior, hands-on IC