美团闪购-高级Java开发工程师(商品方向)
社招全职4年以上核心本地商业-业务研发平台地点:成都状态:招聘
任职要求
1. 大学本科以上学历,计算机或相关专业,4年以上java实际项目开发经验 2. 有扎实的Java基础,Java多线程、并发以及网络通信有深厚的经验 3. 熟悉设计模式、OOA/OOD。 熟悉主流开源应用框架,如Spring、MyBatis、XML、JSON、Maven等开发技术 4. 熟悉关系型数据库MySQL 等,SQL优化 。熟悉Memcached、MongoDB、Redis、HBase等 5. 熟悉分布式系统的设计和应用,熟悉分布式、缓存、消息、负载均衡等机制和实现 6. 热爱技术,对技术有不懈的追求,喜欢研究开源代码 7. 良好的学习能力、团队协作能力和沟通能力;能主动承担压力,态度端正积极,善于思考,能独立分析和解决问题 具备以下条件优先 1.有大型互联网或电商企业工作经验优先考虑 2.参与过电商商品系统、供应链商品系统开发经历者优先 3.具有toB类复杂业务系统实践开发经验
工作职责
1.完成零售SaaS系统核心的商品模块建设,保证系统符合质量性能要求 2.进行需求分析以及主要业务功能的开发,对现有业务模块进行优化 3.将业务逻辑拆解清晰,攻克技术难点,支撑业务快速发展 4.系统技术优化,提升系统的稳定性、性能和可维护性
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!
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.
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.
XML+
https://developer.mozilla.org/zh-CN/docs/Web/XML/Guides/XML_introduction
XML(Extensible Markup Language)是一种类似于 HTML,但是没有使用预定义标记的语言。
JSON+
https://developer.mozilla.org/zh-CN/docs/Learn_web_development/Core/Scripting/JSON
用于将结构化数据表示为 JavaScript 对象的标准格式,通常用于在网站上表示和传输数据(例如从服务器向客户端发送一些数据,因此可以将其显示在网页上)。
Maven+
https://liaoxuefeng.com/books/java/maven/index.html
Maven是一个Java项目管理和构建工具,它可以定义项目结构、项目依赖,并使用统一的方式进行自动化构建,是Java项目不可缺少的工具。
https://www.youtube.com/watch?v=Xatr8AZLOsE
You'll learn how to use Maven like a professional: installations, using the mvn wrapper, using Maven together with IDEs, and of course the Maven basics.
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.
Memcached+
https://www.youtube.com/watch?v=VhM2ByShhzE
Memcached is a high-performance, distributed memory caching system designed to speed up dynamic web applications by alleviating database load.
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.
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.
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
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
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