迅雷资深 Flutter 开发工程师(性能优化方向)
社招全职5年以上地点:深圳状态:招聘
任职要求
1. 计算机相关专业本科及以上学历,5年+ Android开发经验,3年+ Flutter项目经验。 2. 有泛娱乐产品(语音房/直播/1v1社交)开发经验,熟悉高并发场景下的性能挑战。 3. 精通 Flutter 渲染原理(Widget 生命周期、Layer Tree、Rasterization)及 Dart VM 内存管理机制,能阅读并修改 Flutter Engine 源码。 4. 熟练掌握 Android 图形子系统(SurfaceFlinger/RenderThread)及 OpenGL ES,有 Shader 优化或 Vulkan 经验者优先。 加分项: 1. 成功主导过低端机性能优化项目,显著提升 FPS 或降低 Crash 率。 2. 熟悉 JNI、NDK 开发,或具备跨平台(iOS/Web)性能优化经验。 3. 技术博客、开源贡献(如参与 Flutter 社区项目)或性能工具开发经验。
工作职责
1. 核心功能开发:主导海外社交语音房产品的 Flutter 应用开发,构建高流畅度、低延迟的实时互动体验。 2. 解决卡顿崩溃:针对低端设备(Android 6–10,2–4GB RAM)进行 Flutter + Android 应用的性能诊断与调优,解决卡顿、掉帧、内存泄漏等关键问题。 3. 深度性能优化:深入 Flutter Engine(Skia/Impeller)及 Android 图形管线(SurfaceFlinger/HWUI),结合 OpenGL ES 优化渲染路径,降低 GPU 负载与 Overdraw。 4. 客户端技术攻坚:通过 CPU/GPU/内存多维度 Profiling(Systrace/Perfetto 等),定制 Flutter Engine 或重构关键模块,提升极端场景下的性能表现。 5. 性能体系搭建:与团队协作建立性能基线监控系统,持续追踪线上指标,推动性能优化标准化流程。
包括英文材料
学历+
Android+
https://roadmap.sh/android
Step by step guide to becoming an Android developer .
https://www.youtube.com/playlist?list=PLQkwcJG4YTCSVDhww92llY3CAnc_vUhsm
Flutter+
https://flutter.dev/learn
With codelabs, YouTube videos, detailed docs, and more, find everything you need to get started with Flutter or continue your learning journey.
https://www.youtube.com/watch?v=VPvVD8t02U8
Learn how to use Flutter in this complete course for beginners.
高并发+
https://www.baeldung.com/concurrency-principles-patterns
In this tutorial, we’ll discuss some of the design principles and patterns that have been established over time to build highly concurrent applications.
https://www.baeldung.com/java-concurrency
Handling concurrency in an application can be a tricky process with many potential pitfalls. A solid grasp of the fundamentals will go a long way to help minimize these issues.
https://www.oreilly.com/library/view/concurrency-in-go/9781491941294/
You’ll understand how Go chooses to model concurrency, what issues arise from this model, and how you can compose primitives within this model to solve problems.
https://www.oreilly.com/library/view/modern-concurrency-in/9781098165406/
With this book, you'll explore the transformative world of Java 21's key feature: virtual threads.
https://www.youtube.com/watch?v=qyM8Pi1KiiM
https://www.youtube.com/watch?v=wEsPL50Uiyo
Dart+
[英文] Tutorials
https://dart.dev/tutorials
These tutorials teach you how to use the Dart language, tools, and APIs to build applications.
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-
ElasticSearch+
https://www.youtube.com/watch?v=a4HBKEda_F8
Learn about Elasticsearch with this comprehensive course designed for beginners, featuring both theoretical concepts and hands-on applications using Python (though applicable to any programming language). The course is structured in two parts: first covering essential Elasticsearch fundamentals including index management, document storage, text analysis, pipeline creation, search functionality, and advanced features like semantic search and embeddings; followed by a practical section where you'll build a real-world website using Elasticsearch as a search engine, working with the Astronomy Picture of the Day (APOD) dataset to implement features such as data cleaning pipelines, tokenization, pagination, and aggregations.
Shader+
https://clauswilke.com/art/post/shaders
To the uninitiated, shader programming can appear like magic.
https://learnopengl.com/Getting-started/Shaders
A great resource to learn modern OpenGL aimed at beginners.
[英文] Shader Learning
https://shader-learning.com/
Shader Learning is a platform that helps you learn and enhance your shading skills by solving interactive problems.
https://www.youtube.com/watch?v=3mfvZ-mdtZQ
Shaders are an incredibly useful programming tool to have under your belt, especially for creative coding and generative art.
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.
JNI+
https://www.baeldung.com/jni
JDK introduces a bridge between the bytecode running in our JVM and the native code (usually written in C or C++).
https://www.youtube.com/watch?v=pyXnX2SEaFc
Become an expert the Java Native Interface with this 28-hour course.
NDK+
https://developer.android.com/ndk/guides
The Native Development Kit (NDK) is a set of tools that allows you to use C and C++ code with Android.
https://www.youtube.com/watch?v=YvCRlJToCAg
While most Android apps are written in pure Java, Android's Native Development Kit (NDK) enables us to access code written in C/C++ via Java Native Interface (JNI).
iOS+
https://www.youtube.com/watch?v=UNH0bE4zPtY&list=PLSzsOkUDsvdu5Mm67aBYs2YPu2OM4mFzt
Web+
https://web.dev/learn
Explore our growing collection of courses on key web design and development subjects.
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