小红书【2026校招】后端开发工程师-企业效率
校招全职后端开发地点：上海 | 北京 | 杭州状态：招聘
任职要求
1、本科及以上学历，计算机、软件工程等相关专业优先； 2、熟练使用 Java 语言特性（多线程、集合框架、JVM原理等），技术文档编写标准且规范； 3、深入理解分布式系统架构，熟练使用Spring Boot全家桶进行应用开发； 4、熟练使用MySQL等关系型数据库，熟悉MongoDB等NoSQL数据库，具备基本的数据库性能调优经验； 5、熟练使用Redis等分布式缓存，熟悉Kafka/RabbitMQ等消息中间件，具有ElasticSearch等搜索技术实战经验; 6、GitHub有高质量项目贡献者优先，全栈工程师优先，ACM获奖者优先； 7、为人善良，正能量，责任心强，抗压能力强，具备一定协同能力，对世界充满热爱，对技术充满热爱。
工作职责
1、负责面向公司内部的AI研发应用平台的设计与开发，持续创新，参与落地软、硬工作流解决方案，帮助小红书研发提升开发效率； 2、负责财务、人事、采购、行政等内部核心系统的架构设计及AI相关功能开发，帮助小红书员工进入下一个高效办公时代，提升工作幸福感； 3、负责持续优化系统性能，提升服务稳定性，保障系统安全性和可维护性。
包括英文材料
学历+
Java+
https://www.youtube.com/watch?v=eIrMbAQSU34
Master Java – a must-have language for software development, Android apps, and more! ☕️ This beginner-friendly course takes you from basics to real coding skills.
多线程+
https://liaoxuefeng.com/books/java/threading/basic/index.html
和单线程相比，多线程编程的特点在于：多线程经常需要读写共享数据，并且需要同步。
https://www.youtube.com/watch?v=_uQgGS_VIXM&list=PLsc-VaxfZl4do3Etp_xQ0aQBoC-x5BIgJ
https://www.youtube.com/watch?v=IEEhzQoKtQU
https://www.youtube.com/watch?v=mTGdtC9f4EU&list=PLL8woMHwr36EDxjUoCzboZjedsnhLP1j4
https://www.youtube.com/watch?v=TPVH_coGAQs&list=PLk6CEY9XxSIAeK-EAh3hB4fgNvYkYmghp
https://www.youtube.com/watch?v=xPqnoB2hjjA
This video is an introduction to multithreading in modern C++.
https://www.youtube.com/watch?v=YKBwKy5PrpQ
Rust threading is easy to implement and improves the efficiency of your applications on multi-core systems!
JVM+
https://www.freecodecamp.org/news/jvm-tutorial-java-virtual-machine-architecture-explained-for-beginners/
https://www.youtube.com/watch?v=e2zmmkc5xI0
分布式系统+
https://www.distributedsystemscourse.com/
The home page of a free online class in distributed systems.
https://www.youtube.com/watch?v=7VbL89mKK3M&list=PLOE1GTZ5ouRPbpTnrZ3Wqjamfwn_Q5Y9A
Spring Boot+
https://spring.io/guides/gs/spring-boot
his guide provides a sampling of how Spring Boot helps you accelerate application development.
https://www.youtube.com/watch?v=Nv2DERaMx-4&list=PLzUMQwCOrQTksiYqoumAQxuhPNa3HqasL
The author teaches you how to use Spring Boot from a complete beginner, to building a REST API with a real database, Dockerising it and deploying it to the cloud.
MySQL+
https://juejin.cn/post/7190306988939542585
这是一篇 MySQL 通关一篇过硬核经验学习路线，包括数据库相关知识，SQL语句的使用，数据库约束，设计等。
[英文] MySQL Tutorial
https://www.mysqltutorial.org/
your go-to resource for mastering MySQL in a fast, easy, and enjoyable way.
https://www.youtube.com/watch?v=5OdVJbNCSso
MySQL SQL tutorial for beginners
https://www.youtube.com/watch?v=7S_tz1z_5bA
This beginner-friendly course teaches you SQL from scratch.
MongoDB+
https://learnxinyminutes.com/mongodb/
MongoDB is a NoSQL document database for high volume data storage.
https://studio3t.com/academy/#courses
The fastest way to learn MongoDB
https://www.youtube.com/watch?v=c2M-rlkkT5o
This video will give you and introduction to MongoDB in 1 Hour. Afterwards I recommend exploring aggregation, replication, and sharding.
https://www.youtube.com/watch?v=ExcRbA7fy_A&list=PL4cUxeGkcC9h77dJ-QJlwGlZlTd4ecZOA
You'll learn how to use MongoDB (a NoSQL database) from scratch. You'll also learn how to integrate it into a simple Node.js API.
NoSQL+
https://nosql-database.org/
Everything about NoSQL Systems – Types, Benefits, and Real-World Uses
https://piaosanlang.gitbooks.io/mongodb/content/section1.1.html
NoSQL(NoSQL = Not Only SQL )，即"不仅仅是SQL"，指的是非关系型的数据库。是对不同于传统的关系型数据库管理系统的统称。
https://www.youtube.com/watch?v=0buKQHokLK8
NoSQL databases can operate in multiple modes: as key-value store, document store or wide column store.
性能调优+
https://goperf.dev/
The Go App Optimization Guide is a series of in-depth, technical articles for developers who want to get more performance out of their Go code without relying on guesswork or cargo cult patterns.
https://web.dev/learn/performance
This course is designed for those new to web performance, a vital aspect of the user experience.
https://www.ibm.com/think/insights/application-performance-optimization
Application performance is not just a simple concern for most organizations; it’s a critical factor in their business’s success.
https://www.oreilly.com/library/view/optimizing-java/9781492039259/
Performance tuning is an experimental science, but that doesn’t mean engineers should resort to guesswork and folklore to get the job done.
Redis+
[英文] Developer Hub
https://redis.io/dev/
Get all the tutorials, learning paths, and more you need to start building—fast.
https://www.runoob.com/redis/redis-tutorial.html
REmote DIctionary Server(Redis) 是一个由 Salvatore Sanfilippo 写的 key-value 存储系统，是跨平台的非关系型数据库。
https://www.youtube.com/watch?v=jgpVdJB2sKQ
In this video I will be covering Redis in depth from how to install it, what commands you can use, all the way to how to use it in a real world project.
缓存+
https://hackernoon.com/the-system-design-cheat-sheet-cache
The cache is a layer that stores a subset of data, typically the most frequently accessed or essential information, in a location quicker to access than its primary storage location.
https://www.youtube.com/watch?v=bP4BeUjNkXc
Caching strategies, Distributed Caching, Eviction Policies, Write-Through Cache and Least Recently Used (LRU) cache are all important terms when it comes to designing an efficient system with a caching layer.
https://www.youtube.com/watch?v=dGAgxozNWFE
Kafka+
https://developer.confluent.io/what-is-apache-kafka/
https://www.youtube.com/watch?v=CU44hKLMg7k
https://www.youtube.com/watch?v=j4bqyAMMb7o&list=PLa7VYi0yPIH0KbnJQcMv5N9iW8HkZHztH
In this Apache Kafka fundamentals course, we introduce you to the basic Apache Kafka elements and APIs, as well as the broader Kafka ecosystem.
RabbitMQ+
[英文] RabbitMQ Tutorials
https://www.rabbitmq.com/tutorials
These tutorials cover the basics of creating messaging applications using RabbitMQ.
https://www.youtube.com/watch?v=bfVddTJNiAw
RabbitMQ is a powerful message broker that can help you create resilient and scalable applications.
中间件+
https://www.youtube.com/watch?v=1oWPUpMheGk
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.
GitHub+
[英文] GitHub Learn
https://learn.github.com/
Discover a wide range of beginner-friendly tutorials, hands-on learning, and expert-led lessons.
相关职位
校招后端开发
1、负责小红书内容发布侧后端开发，方向包括但不限于：核心发布链路、创作工具、创作者服务等； 2、基于对业务的理解，进行系统选型、设计、编码，为系统长期的稳定性及可维护性负责； 3、设计合理的架构，保障数据一致性、稳定性、研发效率； 4、参与开发人员codereview工作，并能从语言和框架层面提供性能优化、安全性建议。
更新于 2025-09-18
校招后端开发
1、参与公司电商广告业务的后端研发，包括不限于电商、广告、本地生活等业务场景； 2、通过代码复用、工程/架构升级等方式持续性提升个人以及团队的研发效率； 3、关注线上产品的体验和质量，优化产品性能和交互，为用户提供顺畅购买体验的产品链路。
更新于 2025-09-06
校招后端开发
1、负责小红书AI创新应用的后端技术研发和产品迭代； 2、针对用户需求，结合AI模型的能力，打造市场上优秀的用户体验； 3、与客户端、前端、产品、设计、测试等团队紧密合作，完成项目推进和功能交付； 4、负责和多个大模型服务的调度模块，不断优化模型的调用链路。
更新于 2025-10-11
校招后端开发
1、负责小红书社区本地业务、IM业务后端技术架构设计与研发，负责亿级流量系统架构升级和稳定性保障； 2、从高可用、高性能、高并发、安全性等方面出发，参与服务端核心模块的技术选型和方案设计，并保障系统的稳定性； 3、与客户端、产品、设计、测试等团队紧密合作，完成项目推进和功能交付。
更新于 2025-08-13