Staff Mobile Engineer – Kotlin Multiplatform

webAI™

Staff Mobile Engineer developing Kotlin Multiplatform applications and user interfaces at webAI. Engaging in AI integration and performance optimization within a collaborative team environment.

Posted 7/13/2026full-timeAustin • Texas • 🇺🇸 United StatesLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in Kotlin Multiplatform development, with a strong focus on building shared modules and integrating AI frameworks. Demonstrates expertise in mobile app performance optimization and collaborative code review processes.

Highest-signal resume keywords

Kotlin Multiplatform DevelopmentMobile Development (Android/iOS)AI Engineering IntegrationCompose Multiplatform ExperienceSwiftUI Development

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

KotlinCoroutinesFlowsCompose MultiplatformJetpack ComposeSwiftUIRust UniFFIC++JavaScriptMobile Tooling

Soft Skills

MentoringCollaborationCode Review

Tools & Technologies

AI FrameworksApp StoresPerformance Profiling Tools

Industry Keywords

Mobile DevelopmentProduction AppsOpen-Source ContributionsML/AI Libraries

Tech Stack

Tools & technologies

AndroidiOSJavaScriptKotlinRustSwift

About the role

Key responsibilities & impact

Shared KMP modules — You will write shared Kotlin Multiplatform code that provides significant, testable business logic and repositories.
Compose Multiplatform UI and Native SwiftUI — You will write user interface code to utilize shared code modules.
On-device AI — You will integrate artificial intelligence frameworks both on-device and remotely.
Performance — Profile and harden app performance on real devices. Troubleshoot hard, technical bugs.
Code review and collaboration — Review human and coding-agent diffs with equal rigor, contribute to project conventions, and mentor teammates. Improve the quality of delivered code.

Requirements

What you’ll need

8+ years of mobile development with shipped production apps on Android, iOS, or both
Strong Kotlin skills including coroutines and Flows
Demonstrated interest in AI engineering
Solid experience with mobile tooling and app stores
Strong mobile product instincts
Preferred Skills: Compose Multiplatform or strong Jetpack Compose experience, including understanding recomposition stability
SwiftUI experience would be beneficial, including comfort working at the Swift/Kotlin boundary via SKIE, Swift Export, and/or hand-written interoperability code
Experience working with Rust UniFFI, C++, and JS is a plus
Contributions to open-source ML/AI or KMP libraries is a bonus

Benefits

Comp & perks

Competitive salary
Comprehensive health, dental, and vision benefits package
401(k) match
Equity options
$200/month Health & Wellness stipend
Continuing Education support
$500/year Function Health subscription
Free parking for in-office employees
Flexible Time Off (FTO)
Parental leave for eligible employees
Supplemental life insurance