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Client Platform Engineer - Web/Mobile

Level
Austin, USA
Full-time
Mid · 5+ years experience
Onsite
Discovered 3 days ago
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Full Job Posting

What You Will Do:

  • Platform Ownership: Own delivery of Level's games on your specialty platform(s) end to end, including build, packaging, signing, store or distribution requirements, release, and live updates
  • Platform Abstraction Layer: Design and maintain the shared layer that isolates game code from platform differences in windowing, input, file system access, and device services, so feature teams never write platform-specific code
  • Lifecycle Management: Handle suspend and resume, backgrounding, orientation and window changes, permissions, interruptions, and memory pressure so student progress is never lost
  • Performance Layer: Build device capability detection, automatic quality settings, scalability tiers, and graceful fallbacks so games run well on low-end school hardware as well as flagship devices
  • Profile and Optimize: Use platform-native profiling tools to find CPU, GPU, memory, load-time, and battery bottlenecks, and work with graphics and gameplay engineers to fix them
  • Native Integration: Write and maintain native plugins and bindings, such as GDExtension, JNI, Swift or Objective-C, and JavaScript interop, that connect Godot to platform services
  • Platform CI and Device Coverage: Automate builds, packaging, and device testing for your platform, and maintain a representative device matrix so regressions are caught before students see them
  • Technical Ownership: Influence technical decisions, flag platform risk early, and document platform constraints so gameplay, graphics, and product teams can plan with confidence
  • Mentorship: Actively mentor mid-level and associate engineers on platform fundamentals and good engineering practice
  • Where You Might Land:
  • We are hiring across several platform specializations. Apply to this role and we will route you to the track that fits your strengths. You need real depth in at least one:
  • iOS: Apple platform depth, including Metal and Apple GPU architecture, CPU, thermal, and memory behavior across iPhone and iPad generations, App Store requirements, and the iOS app lifecycle
  • Android / Chromebook: Android and ChromeOS depth, including Vulkan and OpenGL ES across fragmented GPU vendors, device-tier variability, Play Store and Chromebook deployment, and the Android activity lifecycle
  • Web: Browser delivery depth, including WebGL and WebGPU, WebAssembly, download size and load time, browser and device compatibility, audio and input quirks, and sandbox constraints
  • Desktop (Windows, macOS, Linux): Desktop depth, including windowing and input, installers and packaging, code signing and notarization, and GPU driver variability across hardware
  • Performance: Cross-platform performance engineering, including capability detection, automatic settings, scalability tiers, and fallback strategies across Level's full range of target devices
  • Generalist: Working experience across several of the above, able to move between platforms as priorities shift and to build the shared abstraction layer that ties them together

Qualifications

  • Need to Have:
  • 5+ years of professional software engineering experience, including shipped production software on at least one of iOS, Android or ChromeOS, Web, Windows, macOS, or Linux
  • Deep, demonstrated expertise in the CPU, GPU, memory, and thermal characteristics of your specialty platform and how they shape real-time application performance
  • Strong C++ or C# skills, plus fluency in the native languages of your specialty, such as Swift or Objective-C, Kotlin or Java, JavaScript or TypeScript, or Rust
  • Hands-on ownership of platform build, packaging, signing, and release, including store submission or distribution, for a shipped product
  • Experience with the application lifecycle and system services of your platform, including windowing, input, file system access, permissions, and interruptions
  • Proficiency with platform profiling and debugging tools, such as Xcode Instruments, Android Studio Profiler, Perfetto, browser DevTools, PIX, or RenderDoc
  • Familiarity with game engine or real-time application architecture, ideally Godot or a comparable engine
  • Track record of mentoring mid-level engineers and influencing technical decisions on your team
  • Clear written and verbal communication, with the ability to explain platform constraints to non-specialists

Nice to Have:

  • Experience with Godot, including custom builds, export templates, or GDExtension
  • Experience building platform abstraction layers or cross-platform runtime frameworks
  • Experience with device capability detection, automatic quality settings, or dynamic scalability systems
  • Experience targeting low-end or school-issued hardware, including Chromebooks
  • Experience with CI/CD for multi-platform builds and automated device testing
  • Shipped titles or apps on one or more app stores or web platforms
  • Interest in educational technology and in building products that students and teachers use every day

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