Senior Mobile Engineer: End-to-End iOS & Android

Bitcot; Minnesota; On-site; USD 140,000 - 180,000; Full time

Job summary

Bitcot is seeking a senior, individual-contributor mobile engineer to own native iOS (SwiftUI) and Android (Kotlin) apps from design through delivery.

You will work autonomously with minimal supervision, delivering features end-to-end while ensuring quality, performance, and a strong patient experience across both platforms. Collaboration with design, product, and backend teams is expected.

Qualifications

• 10+ years of autonomous, senior-level software engineering experience.
• Native iOS development with Swift and native Android development with Kotlin.
• Proven ability to own and deliver mobile features end to end.
• Experience using AI as part of the SDLC (Claude Code or Codex).

Responsibilities

• Develop and maintain the native iOS (SwiftUI) and Android (Kotlin) applications.
• Deliver features independently, from design through release.
• Ensure quality, performance, and a strong patient experience across both platforms.
• Take over operational support for the existing applications, troubleshooting and resolving operational issues as they arise.
• Collaborate with design, product, and backend teams as needed.

Skills

Mobile development (iOS/Android)

Autonomous / self-driven

Swift

Kotlin

Tools

Claude Code

Codex

Job description

Bitcot is seeking a senior, individual-contributor mobile engineer to own native iOS (SwiftUI) and Android (Kotlin) apps from design through delivery.

You will work autonomously with minimal supervision, delivering features end-to-end while ensuring quality, performance, and a strong patient experience across both platforms. Collaboration with design, product, and backend teams is expected.