
哈啰两轮c端资深后端开发-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. 背景与经验:
计算机相关专业本科及以上学历。
5年+ Java后端开发经验。
3年+ 互联网公司核心C端产品开发经验!(必须拥有直面海量用户的系统实战经验)
2. C端高并发核心能力:
精通Java并发编程:深刻理解JUC、线程池、锁优化、并发容器、CompletableFuture等。
精通高并发架构模式:缓存(Redis高阶应用)、消息队列(Kafka/RocketMQ)、分库分表(ShardingSphere)、异步化、弹性扩缩容的实战经验。
精通性能诊断与调优:JVM调优(G1/ZGC)、MySQL深度优化(执行计划、锁、事务隔离)、网络IO模型。
3. 技术栈:
精通Spring Boot/Spring Cloud Alibaba (Nacos, Sentinel, Seata)/Dubbo 等微服务生态。
精通MySQL数据库设计与优化,熟悉主流NoSQL (Redis/MongoDB/ES)。
4. 分布式系统:
深入理解分布式原理(CAP、一致性算法、分布式事务解决方案如TCC/Saga)。
5.…登录查看完整任职要求
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工作职责
核心职责:
1. 负责核心C端业务系统架构设计与开发:
深入理解用户场景与需求,设计并开发高性能、高可用、可扩展的Java后端服务,直接支撑亿级用户产品功能。
聚焦用户体验:优化接口响应速度、系统稳定性,减少错误率,提升用户满意度与留存。
2. 高并发C端系统攻坚与优化:
设计并落地应对 千万级日活 (DAU) / 百万级QPS 的高并发、低延迟技术方案。
深度性能调优:解决线上高并发场景下的JVM GC、线程阻塞、慢SQL、缓存穿透/雪崩、网络瓶颈等核心问题。
设计实现C端核心链路保障机制:分布式锁、幂等控制、精准限流(用户/接口维度)、熔断降级、热点探测、柔性可用。
3. C端业务快速迭代与稳定性保障:
支撑快速产品迭代与AB测试,设计灵活可扩展的架构,平衡开发效率与系统稳定。
建立并完善C端系统监控、告警、应急响应机制,快速定位并恢复线上故障,保障用户体验。
4. 分布式架构实践:
基于微服务(Spring Cloud/Dubbo)构建高可靠分布式系统,解决服务治理、分布式事务、数据一致性难题。
5. 技术驱动业务:
通过技术创新(如引入新中间件、优化架构)提升系统容量、降低延迟、节约成本,直接赋能业务增长。
6. 技术规范与传承:
制定代码规范、设计规范,主导Code Review,培养初中级工程师C端高并发意识与能力。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.
后端开发+
https://www.youtube.com/watch?v=tN6oJu2DqCM&list=PLWKjhJtqVAbn21gs5UnLhCQ82f923WCgM
Learn what technologies you should learn first to become a back end web developer.
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
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
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.
消息队列+
https://www.youtube.com/watch?v=xErwDaOc-Gs
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.
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.
JVM+
https://www.freecodecamp.org/news/jvm-tutorial-java-virtual-machine-architecture-explained-for-beginners/
https://www.youtube.com/watch?v=e2zmmkc5xI0
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.
Spring Boot+
https://spring.io/guides/gs/spring-boot
his guide provides a sampling of how Spring Boot helps you accelerate application development.
https://www.youtube.com/watch?v=Nv2DERaMx-4&list=PLzUMQwCOrQTksiYqoumAQxuhPNa3HqasL
The author teaches you how to use Spring Boot from a complete beginner, to building a REST API with a real database, Dockerising it and deploying it to the cloud.
Spring Cloud+
[英文] Spring Cloud Series
https://www.baeldung.com/spring-cloud-series
Learn Spring Cloud including concepts, additional libraries and examples for distributed systems.
Nacos+
https://nacos.io/docs/latest/overview/
Nacos 是 Dynamic Naming and Configuration Service 的首字母简称,一个易于构建 AI Agent 应用的动态服务发现、配置管理和AI智能体管理平台。
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