- Restore engine 原引擎恢复

- Implement the low level functionality of the target game engine针对目标平台的引擎底层功能实现

- Optimize CPU load / hitches including multi-threaded, streaming, memory allocation优化GPU负载以提高性能，包括多线程、流式加载、内存等

- Make sure the engine is robust 确保引擎健壮性

- Integrate / port / upgrade middle-ware 集成/移植/升级中间件

You must:

- 熟悉 内存管理

- 熟悉Serialization/De-serialization

- 熟悉 threading/concurrency

- 熟悉 mathematics

- 熟悉数据结构算法

You should:

- 了解底层优化相关理论知识，但不局限于memory, cpu, threading, cache, I/O, network.

Pluses:

- 熟悉知名内存分配器比如 TCMalloc 等等

- 了解如何跨平台编程

- 了解 C++ Reflection 相关技术