哈啰资深/专家Java工程师（账务&清结算方向）-上海
社招全职5年以上技术地点：上海状态：招聘
任职要求
1) 统招本科或以上学历，计算机或数学相关专业优先；有账务&清结算系统建设成功经验优先； 2) 有5年以上java开发经验，扎实的java编程基础， 熟悉Spring Cloud、orm、grpc等框架； 3) 熟悉主流中间件及数据库产品（ Nginx，Tomcat，HAProxy，Redis，MySQL， ElasticSearch、RocketMQ、Kafka 等）的高可用架构及其原理，能够调优； 4) 理解面向对象编程，设计模式，微服务架构，分布式架构。具有高可用、高性能、高并发、可扩展系统的设计经验； 5) 很强的主动性和责任心，能够自我驱动，不断学习。善于前后端协作推进产品架构演进、升级、落地； 6) 良好的学习和表达能力、逻辑思维能力； 7) 良好的沟通能力和团队协作精神。
工作职责
1)负责【数科】账务&清结算系统功能模块的架构方案设计、需求迭代、开发和维护的工作； 2)深入理解信贷业务和清结算流程的基础上，承接业务需求，有自己的思考，独立完成高可扩展性的高性能的分布式架构设计与开发； 3)参与各类核心系统和平台的研发，参与架构设计、性能优化、稳定性建设等；
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.
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.
gRPC+
[英文] Introduction to gRPC
https://grpc.io/docs/what-is-grpc/introduction/
An introduction to gRPC and protocol buffers.
中间件+
https://www.youtube.com/watch?v=1oWPUpMheGk
Nginx+
[英文] Beginner’s Guide
https://nginx.org/en/docs/beginners_guide.html
This guide gives a basic introduction to nginx and describes some simple tasks that can be done with it.
https://www.youtube.com/watch?v=9t9Mp0BGnyI
NGINX is open-source web server software used for reverse proxy, load balancing, and caching. It's important to understand, especially if you are a backend developer.
Tomcat+
https://pdai.tech/md/framework/tomcat/tomcat-x-design-web-container.html
我们通过学习如何设计一个最基本的web容器来看它需要考虑什么；进而在真正学习Tomcat时，多把重点放在它的顶层设计上，而不是某一块代码上, 思路永远比具体实现重要的多。
https://www.youtube.com/watch?v=rElJIPRw5iM
This content is about Tomcat, a popular web server used by Java programmers and system administrators.
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.
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.
ElasticSearch+
https://www.youtube.com/watch?v=a4HBKEda_F8
Learn about Elasticsearch with this comprehensive course designed for beginners, featuring both theoretical concepts and hands-on applications using Python (though applicable to any programming language). The course is structured in two parts: first covering essential Elasticsearch fundamentals including index management, document storage, text analysis, pipeline creation, search functionality, and advanced features like semantic search and embeddings; followed by a practical section where you'll build a real-world website using Elasticsearch as a search engine, working with the Astronomy Picture of the Day (APOD) dataset to implement features such as data cleaning pipelines, tokenization, pagination, and aggregations.
RocketMQ+
https://www.baeldung.com/apache-rocketmq-spring-boot
In this tutorial, we’ll create a message producer and consumer using Spring Boot and Apache RocketMQ, an open-source distributed messaging and streaming data platform.
Kafka+
https://developer.confluent.io/what-is-apache-kafka/
https://www.youtube.com/watch?v=CU44hKLMg7k
https://www.youtube.com/watch?v=j4bqyAMMb7o&list=PLa7VYi0yPIH0KbnJQcMv5N9iW8HkZHztH
In this Apache Kafka fundamentals course, we introduce you to the basic Apache Kafka elements and APIs, as well as the broader Kafka ecosystem.
高可用+
https://redis.io/blog/high-availability-architecture/
A high available architecture is when there are a number of different components, modules, or services that work together to maintain optimal performance, irrespective of peak-time loads.
https://www.ibm.com/think/topics/high-availability
High availability (HA) is a term that refers to a system’s ability to be accessible and reliable close to 100% of the time.
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.
微服务+
https://learn.microsoft.com/en-us/training/modules/dotnet-microservices/
Microservice applications are composed of small, independently versioned, and scalable customer-focused services that communicate with each other by using standard protocols and well-defined interfaces.
https://microservices.io/
Microservices - also known as the microservice architecture - is an architectural style that structures an application as a collection of two or more services.
https://spring.io/microservices
Building small, self-contained, ready to run applications can bring great flexibility and added resilience to your code.
https://www.ibm.com/think/topics/microservices
Microservices, or microservices architecture, is a cloud-native architectural approach in which a single application is composed of many loosely coupled and independently deployable smaller components or services.
https://www.youtube.com/watch?v=CqCDOosvZIk
https://www.youtube.com/watch?v=hmkF77F9TLw
Learn about software system design and microservices.
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
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