Sr. Engine Platform Engineer

Level, a learning technology company, seeks a Sr. Engine Platform Engineer based in Austin. The position focuses on building and maintaining the core technology platform for educational software that runs on web, desktop, Chromebooks, iPads, and mobile devices. Work centers on a forked Godot engine with responsibility for engine internals, runtime systems, and cross-platform performance.

Responsibilities

• Work across engine architecture, runtime systems, memory management, multithreading and concurrency, asset loading and streaming, serialization, and build systems
• Modify and extend forked Godot engine source to meet product and platform requirements
• Identify and resolve architectural and performance issues at the engine level
• Build reusable engine systems and tooling that improve productivity for gameplay engineers and content creators
• Resolve cross-platform compatibility issues across web, desktop, Chromebooks, iPads, and mobile
• Profile and optimize CPU, memory, and general runtime performance
• Navigate and improve a large, evolving codebase
• Contribute to engineering practices and mentor other engineers on engine and platform systems
• Experiment with and adopt AI-assisted development tools to improve workflows

Requirements

• Strong professional C++ experience
• 7+ years of experience working on game engines, real-time systems, runtime infrastructure, platform technology, or other low-level systems
• Direct experience working with and modifying engine source code
• Experience shipping games or other real-time software products
• Strong debugging and profiling skills
• Solid understanding of memory, CPU performance, threading, data layout, and systems-level constraints
• Experience solving cross-platform issues
• Demonstrated ability to reason about architecture
• Experience building reusable systems rather than isolated features
• Senior or Staff-level technical caliber with ownership of major systems, architecture decisions, or technical leadership
• Experience with Godot core contribution, engine or module development, or maintaining a fork
• Background in Unreal Engine source development, proprietary engine teams, console or platform teams, or cross-platform porting
• Experience with rendering-adjacent systems, engine tooling, editor workflows, or CI/CD and build pipelines
• Experience with platform abstraction layers and input or device support across varied hardware
• Hands-on experimentation with AI-assisted development tools