携程Java开发工程师（订单）(MJ025360)
社招全职3年以上住宿业务开发地点：上海状态：招聘
任职要求
1.全日制本科以上学历，计算机、软件工程及相关专业优先.2.3年以上Java及其相关的开发经验；精通Java开发及应用框架，基本功扎实，对高并发、多线程编程、异步编程有深刻理解。3.精通Java网站或应用程序开发平台和编程工具，对JVM和GC有深刻理解。4.熟悉 MySQL或SQL Server，数据库SQL性能优化有实际开发经验，对数据库建模与优化有一定的理解。5.具备面向对象的设计思路和经验，熟悉互联网应用和服务开发流程、体系结构，具备较好的文档能力及良好的编码风格。6.能够充分理解用户需求和功能描述，能够进行大型系统的架构设计。7.善于学习新的软件方法和技术，带领技术团队共同进步与分享，有团队合作意识。
工作职责
1.从事携程集团酒店业务在网站、 无线、 服务、及系统的技术开发工作。2.对相关的软件和模块进行日常支持， bug 修复， 发布维护等。3.参与软件架构和设计的讨论，解决开发过程中遇到的各类技术难题，保证软件开发正常进行。4.及时响应处理线上故障，参与互联网高并发服务的开发工作。
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.
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
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
GC+
[英文] Garbage Collection
https://craftinginterpreters.com/garbage-collection.html
The GC doesn’t throw away the memory, it reclaims it to be reused for new data.
https://learn.microsoft.com/en-us/dotnet/standard/garbage-collection/fundamentals
In the common language runtime (CLR), the garbage collector (GC) serves as an automatic memory manager.
https://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html
This tutorial covers the basics of how Garbage Collection works with the Hotspot JVM.
https://www.youtube.com/watch?v=c32zXYAK7CI
How does memory management work? In C you had to manage things yourself, but modern languages take care of a lot of it for you.
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.
SQL Server+
[英文] SQL Server Tutorial
https://www.sqlservertutorial.net/
If you are looking for an easy, fast, and efficient way to master SQL Server, you are in the right place.
https://www.youtube.com/watch?v=voTZUMw23pg
面向对象+
https://liaoxuefeng.com/books/java/oop/index.html
面向对象编程，英文是Object-Oriented Programming，简称OOP。
https://liaoxuefeng.com/books/python/oop/index.html
面向对象编程——Object Oriented Programming，简称OOP，是一种程序设计思想。
https://www.youtube.com/watch?v=SiBw7os-_zI
Learn the basics of object-oriented programming all in one video.
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3年以上订单作业组
1.负责家装核心系统的设计与研发、系统优化等工作，助力家装领域的数字化链条重塑。 2.深入分析和挖掘业务需求本质，参与技术方案研讨与评审工作，保障系统交付与良好质量。 3.探索创新，通过新技术，新方案，新思路不断打开局面，解决问题。
更新于 2025-05-22
社招5年以上技术类
1、负责得物App电商业务系统核心开发; 2、编写代码实现产品功能，完成项目开发，撰写相关文档，参与需求分析; 3、协助进行核心技术问题的攻关，技术方案的选型、系统优化，协助解决项目开发过程中的技术难题; 4、了解互联网的技术发展、评估外部技术与解决方案。
更新于 2023-12-26
社招1-3年住宿业务开发
1.负责订单、支付、结算等核心模块的设计、开发与优化； 2.参与订单交易链路开发，包括订单生成、状态流转、支付对接、对账结算等功能实现； 3.处理高并发场景下的数据一致性、幂等性、事务管理等技术问题； 4.协同财务、风控等团队，确保资金流转准确性和系统安全性； 5.分析并解决线上问题，优化系统性能，提升稳定性和可扩展性； 6.编写技术文档，参与代码评审，遵循团队开发规范。
更新于 2025-05-15
社招2-4年技术
职位描述 1.负责电商核心模块（订单、商品、库存等）的技术设计与开发工作 2.遵循研发流程，与团队成员高效协作，高质量、高效率交付业务和技术需求。 3.对负责项目有主动思考和建议，持续推动项目技术优化和改进，完成预期业务和技术目标。
更新于 2025-06-18