携程后端开发工程师(MJ026620)
社招全职3年以上机票业务开发地点:北京状态:招聘
任职要求
: 1. 大学本科以上学历,硕士优先,计算机、软件工程及相关专业毕业; 2. 3年及以上开发经验,有大中型互联网后台服务设计经验; 3. 熟悉各种设计模式,对java面向对象编程有深刻的理解,具有优秀的程序设计能力; 4. 对各种分布式缓存、DB的底层实现和适用场景有了解,熟悉图计算、图数据库相关技术更佳; 5. 熟悉分布式系统(服务框架、消息、缓存、日志)的应用; 6. 熟悉主流的Java框架和工具(dubbo/spring/guava/elk等); 7. 掌握多线程及高性能应用的设计与编码,有高并发应用开发经验; 8. 通过AI Agent解决业务问题或者提效的经验是加分项;
工作职责
职位挑战: 1. 负责开发和优化机票的价格缓存系统,为上游众多的业务形态提供支撑;你需要对接众多的上游和高频的需求,所以你最好是一个10X工程师,或者具备10X工程师的潜质; 2. 你需要用最低的成本提供最多的覆盖和最高的准确率; 3. 你需要有很强的抽象能力,以发现现有系统存在的不足; 4. 你需要有很强的跨团队解决问题的能力,这样才能推动各团队解决技术层面存在的问题;
包括英文材料
学历+
设计模式+
https://liaoxuefeng.com/books/java/design-patterns/index.html
设计模式,即Design Patterns,是指在软件设计中,被反复使用的一种代码设计经验。使用设计模式的目的是为了可重用代码,提高代码的可扩展性和可维护性。
[英文] Design Patterns
https://refactoring.guru/design-patterns
Design patterns are typical solutions to common problems in software design. Each pattern is like a blueprint that you can customize to solve a particular design problem in your code.
https://www.youtube.com/watch?v=NU_1StN5Tkk
Design Patterns tutorial explained in simple words using real-world examples.
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.
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
Dubbo+
https://dubbo.apache.org/en/overview/mannual/java-sdk/tasks/
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.
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
AI agent+
https://www.ibm.com/think/ai-agents
Your one-stop resource for gaining in-depth knowledge and hands-on applications of AI agents.
相关职位
社招旅游业务开发
租车用户订单业务线产品需求分析与评审,提出有建设性的技术解决方案,帮助业务实现业绩目标; 负责订单、支付、结算、履约、状态流转、快照等域的业务开发和维护; 根据所负责的需求进行技术方案设计,文档输出,并进行代码的编写、优化及单元测试;
更新于 2025-03-14
社招3年以上后端开发
1. 负责小红书核心业务的创新玩法后端服务建设与维护; 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. 具备解决复杂系统问题的经验和能力,持续寻找和优化现有系统的不足,提升系统性能和稳定性。
社招5-10年软件开发岗
1. 负责营销活动及任务相关的后端开发工作,深入理解业务逻辑,实现高效、稳定、可扩展的系统架构,以支持业务快速发展; 2. 根据业务需求,进行系统设计、编码、测试以及文档编写,确保项目按时按质完成,满足业务目标; 3. 研究并应用业界先进的后端技术,推动技术革新,优化现有系统性能,提升系统安全性和稳定性; 4. 与团队成员紧密协作,通过技术指导和经验分享,提升团队整体技术能力和研发效率; 5. 跟踪项目进度,主动参与技术难题攻关,确保项目顺利推进,达成业务预期效果。
更新于 2025-04-16