京东后端研发工程师
社招全职5年以上软件开发岗地点：北京状态：招聘
任职要求
1.五年以上Java开发经验； 2.Java基础扎实、理解JVM原理、有多线程、高并发系统开发经验的优先考虑； 3.熟悉主流开源框架，如Spring、MyBatis,了解其原理和实现机制； 4.熟悉MySQL等关系型数据库，了解基本的sql优化，有sql调优经验者优先； 5.熟悉分布式、缓存、消息、异步等机制，有分布式系统、集群架构设计和使用经验优先； 6.善于学习和与人沟通，为人正直、诚信，有较强的事业心和逻辑思维能力。 符合京东价值观：客户为先、创新、拼搏、担当、感恩、诚信。
工作职责
1.主导和参与系统分析设计工作，承担核心架构的代码实现，负责系统改造和升级； 2.主导和参与系统性能优化，持续提升系统在高并发、高访问量下的性能和系统稳定性 。
包括英文材料
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.
JVM+
https://www.freecodecamp.org/news/jvm-tutorial-java-virtual-machine-architecture-explained-for-beginners/
https://www.youtube.com/watch?v=e2zmmkc5xI0
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!
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
Spring+
https://liaoxuefeng.com/books/java/spring/index.html
Spring是一个支持快速开发Java EE应用程序的框架。它提供了一系列底层容器和基础设施，并可以和大量常用的开源框架无缝集成，可以说是开发Java EE应用程序的必备。
https://spring.io/guides/gs/rest-service
https://spring.io/quickstart
Level up your Java code and explore what Spring can do for you.
MyBatis+
https://mybatis.org/mybatis-3/getting-started.html
https://www.baeldung.com/mybatis
MyBatis is an open source persistence framework which simplifies the implementation of database access in Java applications.
SQL+
https://liaoxuefeng.com/books/sql/introduction/index.html
什么是SQL？简单地说，SQL就是访问和处理关系数据库的计算机标准语言。
https://sqlbolt.com/
Learn SQL with simple, interactive exercises.
https://www.youtube.com/watch?v=p3qvj9hO_Bo
In this video we will cover everything you need to know about SQL in only 60 minutes.
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.
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
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
系统设计+
https://roadmap.sh/system-design
Everything you need to know about designing large scale systems.
https://www.youtube.com/watch?v=F2FmTdLtb_4
This complete system design tutorial covers scalability, reliability, data handling, and high-level architecture with clear explanations, real-world examples, and practical strategies.
相关职位
社招A200766A
1、参与超大规模数据中心网络平台产品及工具服务的建设； 2、持续改进资源管理/数据沉淀/监控报警/运营维护等流程、机制和策略； 3、持续优化相关平台体验和稳定性； 4、关注行业动态和趋势，配合研发团队，构建和完善内部平台。
更新于 2023-08-17
社招5年以上软件开发岗
1.从事公司业务系统的架构设计、研发工作； 2.深入了解和学习物流行业业务场景、流程、算法；根据业务需求，改进现有系统架构、功能； 3.解决日常应用中的系统各种技术性问题； 4.参与公司核心系统的需求分析、架构设计、核心模块编码等研发工作, 指导和培训研发工程师。
更新于 2025-07-08
社招5年以上软件开发岗
1.主导和参与系统分析设计工作，承担核心架构的代码实现，负责系统改造和升级； 2.主导和参与系统性能优化，持续提升系统在高并发、高访问量下的性能和系统稳定性 。
更新于 2025-08-03
社招5年以上软件开发岗
1.从事公司业务系统的架构设计、研发工作； 2.深入了解和学习物流行业业务场景、流程、算法；根据业务需求，改进现有系统架构、功能； 3.解决日常应用中的系统各种技术性问题； 4.参与公司核心系统的需求分析、架构设计、核心模块编码等研发工作, 指导和培训研发工程师。
更新于 2025-08-10