小红书【2026校招】多媒体高性能优化工程师(C/C++方向)
校招全职后端开发地点：上海 | 北京状态：招聘
任职要求
1、本科及以上学历，计算机相关专业优先； 2、有扎实的编程基础知识，了解常见数据结构与算法； 3、熟悉C/C++/python编程，有Linux/Andorid/IOS中至少一种系统平台的开发； 4、熟悉X86/ARM平台的SIMD指令者优先，有CUDA/OpenGL/Vulkan/Metal加速经验者优先； 5、有FFmpeg、WebRTC、Gstreamer、VLC等知名多媒体开源项目开发经验者优先，有AI算法优化经验者优先； 6、工作认真负责，有钻研和主动学习的精神，善于团队沟通与协作。
工作职责
1、多媒体高性能优化工程师(C/C++方向)； 2、负责音视频和图像处理算法在服务端和客户端的工程优化与业务落地； 3、通过软硬一体优化，提升算法性能，降低计算成本或功耗，实现媒体算法在服务端和客户端的业务落地。
包括英文材料
学历+
数据结构+
https://www.youtube.com/watch?v=8hly31xKli0
In this course you will learn about algorithms and data structures, two of the fundamental topics in computer science.
https://www.youtube.com/watch?v=B31LgI4Y4DQ
Learn about data structures in this comprehensive course. We will be implementing these data structures in C or C++.
https://www.youtube.com/watch?v=CBYHwZcbD-s
Data Structures and Algorithms full course tutorial java
算法+
https://roadmap.sh/datastructures-and-algorithms
Step by step guide to learn Data Structures and Algorithms in 2025
https://www.hellointerview.com/learn/code
A visual guide to the most important patterns and approaches for the coding interview.
https://www.w3schools.com/dsa/
C+
https://www.freecodecamp.org/chinese/news/the-c-beginners-handbook/
本手册遵循二八定律。你将在 20% 的时间内学习 80% 的 C 编程语言。
https://www.youtube.com/watch?v=87SH2Cn0s9A
https://www.youtube.com/watch?v=KJgsSFOSQv0
This course will give you a full introduction into all of the core concepts in the C programming language.
https://www.youtube.com/watch?v=PaPN51Mm5qQ
In this complete C programming course, Dr. Charles Severance (aka Dr. Chuck) will help you understand computer architecture and low-level programming with the help of the classic C Programming language book written by Brian Kernighan and Dennis Ritchie.
C+++
https://www.learncpp.com/
LearnCpp.com is a free website devoted to teaching you how to program in modern C++.
https://www.youtube.com/watch?v=ZzaPdXTrSb8
Python+
https://liaoxuefeng.com/books/python/introduction/index.html
中文，免费，零起点，完整示例，基于最新的Python 3版本。
https://www.learnpython.org/
a free interactive Python tutorial for people who want to learn Python, fast.
https://www.youtube.com/watch?v=K5KVEU3aaeQ
Master Python from scratch 🚀 No fluff—just clear, practical coding skills to kickstart your journey!
https://www.youtube.com/watch?v=rfscVS0vtbw
This course will give you a full introduction into all of the core concepts in python.
Linux+
https://ryanstutorials.net/linuxtutorial/
Ok, so you want to learn how to use the Bash command line interface (terminal) on Unix/Linux.
https://ubuntu.com/tutorials/command-line-for-beginners
The Linux command line is a text interface to your computer.
https://www.youtube.com/watch?v=6WatcfENsOU
In this Linux crash course, you will learn the fundamental skills and tools you need to become a proficient Linux system administrator.
https://www.youtube.com/watch?v=v392lEyM29A
Never fear the command line again, make it fear you.
https://www.youtube.com/watch?v=ZtqBQ68cfJc
iOS+
https://www.youtube.com/watch?v=UNH0bE4zPtY&list=PLSzsOkUDsvdu5Mm67aBYs2YPu2OM4mFzt
CUDA+
https://developer.nvidia.com/blog/even-easier-introduction-cuda/
This post is a super simple introduction to CUDA, the popular parallel computing platform and programming model from NVIDIA.
https://www.youtube.com/watch?v=86FAWCzIe_4
Lean how to program with Nvidia CUDA and leverage GPUs for high-performance computing and deep learning.
OpenGL+
https://www.youtube.com/watch?v=45MIykWJ-C4
Learn how to use OpenGL to create 2D and 3D vector graphics in this course.
https://www.youtube.com/watch?v=W3gAzLwfIP0&list=PLlrATfBNZ98foTJPJ_Ev03o2oq3-GGOS2
https://www.youtube.com/watch?v=XpBGwZNyUh0&list=PLPaoO-vpZnumdcb4tZc4x5Q-v7CkrQ6M-
Vulkan+
https://developer.android.com/codelabs/beginning-vulkan-on-android#0
Vulkan is the primary low-level graphics API on Android. Vulkan enables reaching higher performance for games that implement their own game engine and renderer.
https://docs.vulkan.org/tutorial/latest/00_Introduction.html
The ideas behind Vulkan are similar to those of Direct3D 12 and Metal, but Vulkan has the advantage of being fully cross-platform and allows you to develop for Windows, Linux and Android at the same time.
https://edw.is/learning-vulkan/
I learned some Vulkan and made a game engine with two small game demos in 3 months.
https://vulkan-tutorial.com/
This tutorial will teach you the basics of using the Vulkan graphics and compute API.
Metal+
[英文] Metal
https://developer.apple.com/metal/
Whether you want to build a graphics-intensive app, a cutting-edge game with beautiful visuals, or target demanding compute workloads like machine learning, Metal puts the advanced capabilities of Apple-designed GPUs at your fingertips.
[英文] Metal Tutorial
https://metaltutorial.com/
This tutorial will teach you the basics of Apple's Metal Graphics and Compute API, and help you understand how to program with it in C++ via the metal-cpp library.
https://www.kodeco.com/7475-metal-tutorial-getting-started
In this Metal tutorial, you will learn how to get started with Apple’s 3D graphics API by rendering a simple triangle to the screen.
[英文] learnmetal.com: Home
https://www.learnmetal.com/
Welcome to Learn Metal — an open-source tutorial site focused on learning and mastering Apple’s Metal graphics API.
相关职位
校招后端开发
1、负责媒体业务系统的设计与开发； 2、负责音视频服务和图片服务的开发； 3、优化媒体业务整体可靠性和可用性，优化点播全链路性能； 4、支持编解码器和cv算法迭代。
更新于 2025-09-30
校招多媒体算法
1、自研高性能视频编解码内核：编解码方案设计，核心代码开发等； 2、负责H264/H265/H266/AV1视频编解码开发，提供稳定高效的编解码器； 3、在快速算法、码率控制、汇编加速、画质提升等某领域深入研究。
更新于 2025-09-10
校招客户端开发
音视频/图片库方向： 1、负责小红书APP核心主业务、主链路的产品实现、迭代和升级，支持图片库、音视频开发； 2、负责图片相关业务的承接、落地和优化工作，负责图片SDK的开发与维护； 3、负责音视频业务的承接和落地开发工作，尤其是各业务线音视频播放业务层的承接和开发，负责播放器SDK的开发与维护； 4、和产品经理、设计师、数据分析师等配合，深度参与产品需求的讨论、定义； 5、承担其他重点、难点项目的技术攻坚工作。 直播方向： 1、参与小红书直播生态业务建设； 2、负责视频录制开播推流，观众进房拉流播放，IM交互，礼物打赏，直播带货等完整直播场景的功能研发和迭代； 3、能够在数据分析的支持下提升直播相关功能的性能，主播开播体验，以及观看、购买与互动体验； 4、负责iOS端直播相关功能研发迭代； 5、负责iOS端直播业务性能优化。
更新于 2025-09-10
校招客户端开发
音视频/图片库方向： 1、负责小红书APP核心主业务、主链路的产品实现、迭代和升级，支持图片库、音视频开发； 2、负责音视频业务的承接和落地开发工作，尤其是各业务线音视频播放业务层的承接和开发，负责播放器SDK的开发与维护； 3、负责图文业务的承接和落地开发工作，尤其是各业务线图片业务层的承接和开发，负责图库的开发与维护； 4、和产品经理、设计师、数据分析师等配合，深度参与产品需求的讨论、定义； 5、承担其他重点、难点项目的技术攻坚工作。 直播方向： 1、负责Android端直播相关功能研发迭代； 2、负责Android端直播业务性能优化。
更新于 2025-09-10