小红书Java后端开发实习生
实习兼职基础安全地点:上海状态:招聘
任职要求
5. 学历背景: 2026/2027届毕业生,本科及以上学历,计算机、软件工程等相关专业,基础扎实。 6. Java基础: 精通Java编程,深刻理解集合、多线程并发、IO/NIO、JVM原理,代码风格良好。 7. 技术栈: 熟悉Spring Boot/Spring Cloud生态,了解Dubbo/gRPC等RPC框架;熟悉MySQL,并至少掌握一种NoSQL(Redis/HBase/MongoDB等)。 8. 中间件认知: 对消息队列(Kafka/RocketMQ)有一定了解,理解分布式系统的一致性、高可用设计原则。 9. 综合素质: 具备良好的逻辑思维能力和强烈的责任心…
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工作职责
1. 核心系统研发: 参与风控核心决策引擎、规则管理平台、变量计算中心等基础服务的开发与迭代。 2. 高性能挑战: 协助解决高并发场景下的分布式系统问题,参与系统的性能分析与优化(JVM调优、链路优化等),保障系统在海量流量下的稳定性。 3. 数据流处理: 参与实时计算链路的建设(基于Flink/Kafka),处理海量用户行为数据。 4. 技术探索: 调研前沿技术(如图计算、规则引擎优化),并推动技术在风控场景的落地。
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
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.
Spring Cloud+
[英文] Spring Cloud Series
https://www.baeldung.com/spring-cloud-series
Learn Spring Cloud including concepts, additional libraries and examples for distributed systems.
Dubbo+
https://dubbo.apache.org/en/overview/mannual/java-sdk/tasks/
RPC+
https://javaguide.cn/distributed-system/rpc/rpc-intro.html
为什么要 RPC ? 因为,两个不同的服务器上的服务提供的方法不在一个内存空间,所以,需要通过网络编程才能传递方法调用所需要的参数。并且,方法调用的结果也需要通过网络编程来接收。
https://www.youtube.com/watch?v=S2osKiqQG9s
This video is part of an 8-lecture series on distributed systems, given as part of the undergraduate computer science course at the University of Cambridge.
gRPC+
[英文] Introduction to gRPC
https://grpc.io/docs/what-is-grpc/introduction/
An introduction to gRPC and protocol buffers.
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.
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.
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.
HBase+
[英文] HBase Tutorial
https://www.tutorialspoint.com/hbase/index.htm
HBase is a data model that is similar to Google's big table designed to provide quick random access to huge amounts of structured data. This tutorial provides an introduction to HBase, the procedures to set up HBase on Hadoop File Systems, and ways to interact with HBase shell.
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相关职位
实习后端开发
1、负责小红书笔记发布后端系统、编辑工具的设计与研发; 2、深入发掘和分析业务需求, 进行系统设计和编码; 3、对系统性能和稳定性保持敏感,追求高质量、可维护的代码,能应对业务不断增长带来的高流量和复杂业务场景。
更新于 2025-08-25北京|上海
实习后端开发
1. 参与业务交付,负责业务运营平台、数据平台及系统应用的功能迭代; 2. Java后端开发与维护,确保代码质量和系统的稳定运行; 3. 参与业务知识库建设,参与数据库设计,优化SQL性能,确保数据的安全性和高效性; 4. 协助开发团队解决技术问题,优化代码质量; 5. 编写和维护技术文档,确保代码的可读性和可维护性; 6. 学习并掌握公司使用的技术栈和开发工具。
北京