Lead Mobile Engineer (Contractor)
Hauler Hero Inc. · Remote · LATAM · Eastern Europe ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Lead Mobile Engineer
- Contractor role
- Eastern Europe & LATAM
- US hours overlap
- Kotlin + Swift
As the most senior engineer on the mobile team, you will drive architectural decisions for both iOS and Android platforms. You will lead the creation of an iPad-first iOS application while assessing Kotlin Multiplatform for shared business logic. This hands-on position requires daily coding, mentoring, and setting engineering standards in an AI-assisted environment.
What you'll do
- Evaluate Kotlin Multiplatform for sharing logic across platforms
- Architect and build the first iOS app targeting iPads
- Contribute to the existing native Kotlin Android codebase
- Strengthen offline-first features like sync and conflict resolution
- Implement maps, location services, and in-app navigation
- Set mobile engineering standards through reviews and mentorship
- Collaborate with backend, design, product, and QA teams
What you'll need
- 8+ years building production mobile applications
- Deep expertise in iOS development with Swift
- Working proficiency in Kotlin for Android contributions
- Hands-on experience with Kotlin Multiplatform integration
- Proven track record building offline-first apps with data sync
- Experience with mapping SDKs and location-heavy products
- Background in leading or mentoring mobile engineers
- Strong CI/CD knowledge using tools like Fastlane or Bitrise
- Clear English communication skills for async work
Nice to have
- Deep Android production experience at scale
- Familiarity with Firebase or Firestore
- Experience with camera, photo capture, or on-device ML
- Background in logistics, field service, or B2B SaaS
Stack
- Kotlin
- Swift
- Kotlin Multiplatform
- Fastlane
- Bitrise
- GitHub Actions
- Claude
- Cursor
- GitHub Copilot
How you'll work
- Fully remote for Eastern Europe and LATAM residents
- Contractor engagement model
- Must overlap consistently with U.S. working hours
- Daily use of AI-assisted engineering tools required