Staff Mobile Engineer: Kotlin Multiplatform + AI

webAI; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

webAI is seeking an experienced mobile engineer to lead development of a flagship cross‑platform app using Kotlin Multiplatform, Compose Multiplatform, and SwiftUI. You will implement shared modules and UI that leverage common code across Android and iOS.

You will optimize performance, integrate on‑device AI, review code, and mentor teammates while upholding our values of truth, ownership, tenacity, and humility. Join us to shape next‑gen mobile experiences at webAI.

Qualifications

• 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.

Responsibilities

• Write shared Kotlin Multiplatform code with business logic and repositories.
• Develop UI using Compose Multiplatform and native SwiftUI to use shared modules.
• Integrate AI frameworks on-device and remotely.
• Profile and optimize app performance on real devices.
• Review changes, enforce conventions, and mentor teammates.

Skills

8+ years of mobile development

Strong Kotlin skills

Demonstrated interest in AI eng

Solid mobile tooling & app stores

Strong mobile product instincts

Tools

Compose Multiplatform

Jetpack Compose

SwiftUI

Rust UniFFI

C++

JavaScript

Job description

webAI is seeking an experienced mobile engineer to lead development of a flagship cross‑platform app using Kotlin Multiplatform, Compose Multiplatform, and SwiftUI. You will implement shared modules and UI that leverage common code across Android and iOS.

You will optimize performance, integrate on‑device AI, review code, and mentor teammates while upholding our values of truth, ownership, tenacity, and humility. Join us to shape next‑gen mobile experiences at webAI.