Senior Staff Mobile Engineer – Mobile Infrastructure

About the role

OKX is seeking a Senior Staff Mobile Engineer to join its Mobile Infrastructure team. You will work at the platform layer, building the tools, frameworks, and systems that enable product teams to ship high‑quality mobile code at scale for millions of daily active users.

Key responsibilities

• Design, build, and maintain shared mobile infrastructure, tooling, and frameworks for iOS and Android.
• Analyse and optimise application code for memory footprint, package size, startup time, and rendering performance.
• Develop reusable, scalable mobile components that can be leveraged across product teams.
• Partner with product engineering groups to deliver infrastructure solutions, establish best practices, and drive technical standards.
• Drive architectural innovations that support world‑class mobile app development at scale.
• Apply AI‑assisted coding tools to accelerate development and improve cross‑platform code quality.
• Stay current with mobile platform advances and evaluate emerging toolchain innovations.

Required profile

• 6+ years of native iOS or Android development experience.
• Proven track record in building infrastructure, platform, or architecture components.
• Deep expertise in either iOS or Android and confidence to contribute across both platforms.
• Strong focus on engineering quality, performance, and developer experience.

Required skills

• Swift
• Objective‑C
• C++
• Kotlin
• Java
• Jetpack