心动服务器开发工程师
社招全职技术大类地点:上海状态:招聘
任职要求
1、Go 或 Java 熟练(其一),并发/网络编程与性能调优扎实;熟悉另一门更佳; 2、深入理解 SMTP/IMAP/POP3 状态机,IDLE/UID/FLAGS/MODSEQ、断点续传/分片; 3、熟悉投递链路与信誉:DNS(MX/SPF/DKIM/DMARC)、退信解析、节流与退避策略; 4、存储与索引:MySQL/PostgreSQL、Redis、对象存储(S3/OSS)、全文搜索(ES/OpenSearch); 5、可观测与压测:Prometheus/Grafana、结构化日志、OpenTelemetry;瓶颈定位经验; 6、Linux/网络:TCP/TLS、epoll/FD、拥塞控制、iptables;容器化与 Kubernetes 实战; 7、AI 辅助开发:熟练使用 Cursor(或同类如 Copilot/ChatGPT)进行重构、单测生成、文档与代码审查,能编写高质量 Prompt 与工作流以提升研发效率; 运维/DevOps 1、Docker 多阶段构建;Kubernetes 部署/滚更/HPA、ConfigMap/Secret 管理; 2、CI/CD(GitHub Actions/GitLab CI/Jenkins 其一),制品管理、质量门禁与一键回滚。 加分项 1、Rust(tokio/axum、异步 I/O、零拷贝)用于高性能 MTA/边车/代理; 2、= 大规模经验:分片/多活、CDC、归档与合规(GDPR/等保)、KMS 与审计。
工作职责
1、设计与实现邮件核心协议与服务:SMTP/Submission、IMAP/POP3、JMAP/REST 网关; 2、收发链路:入站/出站队列、重试与退信、投递代理、MX/Relay、优先级与节流; 3、可观测与稳定性:日志/指标/Tracing、限流熔断、灰度发布、故障应急与回滚; 4、性能与容量:索引/搜索、附件与大邮件传输、连接并发、存储与缓存命中率; 5、 安全与送达:SPF/DKIM/DMARC、TLS/MTA-STS、反垃圾/反钓鱼、隔离与申诉; 6、 邮箱域模型:多租户、配额、标签/文件夹、过滤规则、审计/归档/合规留存。
包括英文材料
Go+
https://www.youtube.com/watch?v=8uiZC0l4Ajw
学习Golang的完整教程!从开始到结束不到一个小时,包括如何在Go中构建API的完整演示。没有多余的内容,只有你需要知道的知识。
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.
网络编程+
https://www.youtube.com/watch?v=2HrYIl6GpYg
I will make a simple HTTP web server with the C Programming Language.
https://www.youtube.com/watch?v=8z6okCgdREo
This tutorial is for Gophers who have written a command line or an API application, but have little to no experience in lower-level concepts like reading and writing to sockets, working with channels, and managing multiple goroutines.
https://www.youtube.com/watch?v=bdIiTxtMaKA&list=PL9IEJIKnBJjH_zM5LnovnoaKlXML5qh17
https://www.youtube.com/watch?v=bzja9fQWzdA
Implement the ubiquitous TCP protocol that underlies much of the traffic on the internet!
[英文] 📺Network Programming with Python Course (build a port scanner, mailing client, chat room, DDOS)
https://www.youtube.com/watch?v=FGdiSJakIS4
Learn network programming in Python by building four projects. You will learn to build a mailing client, a DDOS script, a port scanner, and a TCP Chat Room.
https://www.youtube.com/watch?v=gntyAFoZp-E
https://www.youtube.com/watch?v=JiuouCJQzSQ
Explore the fundamentals of networking in Rust by building a simple TCP server.
https://www.youtube.com/watch?v=JRTLSxGf_6w
https://www.youtube.com/watch?v=sFizpxHkIlI
In this video we'll cover SOCKET PROGRAMMING in JAVA.
https://www.youtube.com/watch?v=sXW_sNGvqcU
性能调优+
https://goperf.dev/
The Go App Optimization Guide is a series of in-depth, technical articles for developers who want to get more performance out of their Go code without relying on guesswork or cargo cult patterns.
https://web.dev/learn/performance
This course is designed for those new to web performance, a vital aspect of the user experience.
https://www.ibm.com/think/insights/application-performance-optimization
Application performance is not just a simple concern for most organizations; it’s a critical factor in their business’s success.
https://www.oreilly.com/library/view/optimizing-java/9781492039259/
Performance tuning is an experimental science, but that doesn’t mean engineers should resort to guesswork and folklore to get the job done.
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.
PostgreSQL+
[英文] PostgreSQL Tutorial
https://neon.com/postgresql/tutorial
This PostgreSQL tutorial helps you quickly understand PostgreSQL.
[英文] PostgreSQL Tutorial
https://www.pgtutorial.com/
This PostgreSQL tutorial will teach you about PostgreSQL from beginner to advanced.
https://www.youtube.com/watch?v=qw--VYLpxG4
It is the most advanced open source database system widely used to build back-end systems.
https://www.youtube.com/watch?v=SpfIwlAYaKk
Learn PostgreSQL, one of the world's most advanced and robust open-source relational database systems.
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.
S3+
https://aws.amazon.com/s3/getting-started/
You can use Amazon S3 to store and retrieve any amount of data at any time, from anywhere.
https://www.youtube.com/watch?v=tfU0JEZjcsg
Amazon S3 is the oldest and one of the most popular services on AWS.
Prometheus+
https://grafana.com/docs/grafana/latest/getting-started/get-started-grafana-prometheus/
Prometheus is an open source monitoring system for which Grafana provides out-of-the-box support.
https://prometheus.io/docs/tutorials/getting_started/
Prometheus is a system monitoring and alerting system.
Grafana+
OpenTelemetry+
https://logz.io/learn/opentelemetry-guide/#overview
Every journey in Observability begins with instrumenting an application to emit telemetry data – primarily logs, metrics and traces – from each service as it executes.
[英文] Getting Started
https://opentelemetry.io/docs/languages/go/getting-started/
This page will show you how to get started with OpenTelemetry in Go.
https://www.youtube.com/watch?v=hLvwoow3XTk
OpenTelemetry can help, with its powerful capabilities for monitoring and analyzing hybrid applications, including collecting and analyzing telemetry data, metrics, and traces.
https://www.youtube.com/watch?v=Txe4ji4EDUA
In the observability space, the project making this possible is OpenTelemetry.
Linux+
https://ryanstutorials.net/linuxtutorial/
Ok, so you want to learn how to use the Bash command line interface (terminal) on Unix/Linux.
https://ubuntu.com/tutorials/command-line-for-beginners
The Linux command line is a text interface to your computer.
https://www.youtube.com/watch?v=6WatcfENsOU
In this Linux crash course, you will learn the fundamental skills and tools you need to become a proficient Linux system administrator.
https://www.youtube.com/watch?v=v392lEyM29A
Never fear the command line again, make it fear you.
https://www.youtube.com/watch?v=ZtqBQ68cfJc
Kubernetes+
https://kubernetes.io/docs/tutorials/kubernetes-basics/
This tutorial provides a walkthrough of the basics of the Kubernetes cluster orchestration system.
https://kubernetes.io/zh-cn/docs/tutorials/kubernetes-basics/
本教程介绍 Kubernetes 集群编排系统的基础知识。每个模块包含关于 Kubernetes 主要特性和概念的一些背景信息,还包括一个在线教程供你学习。
https://www.youtube.com/watch?v=s_o8dwzRlu4
Hands-On Kubernetes Tutorial | Learn Kubernetes in 1 Hour - Kubernetes Course for Beginners
https://www.youtube.com/watch?v=X48VuDVv0do
Full Kubernetes Tutorial | Kubernetes Course | Hands-on course with a lot of demos
Prompt+
https://cloud.google.com/vertex-ai/generative-ai/docs/learn/prompts/introduction-prompt-design
A prompt is a natural language request submitted to a language model to receive a response back.
https://learn.microsoft.com/en-us/azure/ai-foundry/openai/concepts/prompt-engineering
These techniques aren't recommended for reasoning models like gpt-5 and o-series models.
https://www.youtube.com/watch?v=LWiMwhDZ9as
Learn and master the fundamentals of Prompt Engineering and LLMs with this 5-HOUR Prompt Engineering Crash Course!
DevOps+
https://roadmap.sh/devops
Step by step guide for DevOps, SRE or any other Operations Role in 2025
https://zhuanlan.zhihu.com/p/562036793
DevOps中的Dev指的是Development(开发),Ops指的是Operations(运维),用一句话来说,DevOps就是打通开发运维的壁垒,实现开发运维一体化。
Docker+
https://www.youtube.com/watch?v=GFgJkfScVNU
Master Docker in one course; learn about images and containers on Docker Hub, running multiple containers with Docker Compose, automating workflows with Docker Compose Watch, and much more. 🐳
https://www.youtube.com/watch?v=kTp5xUtcalw
Learn how to use Docker and Kubernetes in this complete hand-on course for beginners.
CI+
https://www.ibm.com/cn-zh/think/topics/continuous-integration
持续集成 (CI) 是一种软件开发实践,开发人员在整个开发周期中会定期将新的代码和代码变更集成到中央代码存储库中。它是 DevOps 和敏捷方法的关键组成部分。
https://www.youtube.com/watch?v=42UP1fxi2SY
CD+
https://www.redhat.com/zh-cn/topics/devops/what-is-ci-cd
CI/CD 是持续集成和持续交付/部署的缩写,旨在简化并加快软件开发生命周期。
https://www.youtube.com/watch?v=R8_veQiYBjI&list=PLy7NrYWoggjzSIlwxeBbcgfAdYoxCIrM2
GitHub+
[英文] GitHub Learn
https://learn.github.com/
Discover a wide range of beginner-friendly tutorials, hands-on learning, and expert-led lessons.
GitLab+
https://docs.gitlab.com/tutorials/
Learn about GitLab fundamentals by following guided instructions.
Jenkins+
https://www.youtube.com/watch?v=f4idgaq2VqA
Rust+
https://www.youtube.com/watch?v=BpPEoZW5IiY
In this comprehensive Rust course for beginners, you will learn about the core concepts of the language and underlying mechanisms in theory.
https://www.youtube.com/watch?v=lzKeecy4OmQ
Full Rust 101 Crash Course for beginners.
https://www.youtube.com/watch?v=rQ_J9WH6CGk
Axum+
[英文] axum - Rust
https://docs.rs/axum/latest/axum/
axum is a web application framework that focuses on ergonomics and modularity.
https://www.shuttle.dev/blog/2023/12/06/using-axum-rust
With so many backend web frameworks in the Rust web ecosystem, it's difficult to know what to choose.
https://www.youtube.com/watch?v=7RlVM0D4CEA
Axum is a popular web framework for Rust developers.
https://www.youtube.com/watch?v=TTDdHZAyQN8
Meet Axum—a powerful, async-first framework that takes advantage of Rust’s Tokio runtime and Tower middleware to handle massive traffic effortlessly.
相关职位
社招5-7年研发类
1、负责vivo手机移动互联网游戏业务(游戏中心)相关服务端系统需求分析、架构设计、核心逻辑开发和线上维护工作; 2、技术功底扎实,从稳定性、扩展性、性能等方面负责系统设计、实现、优化程序产品和解决方案; 3、有较好的业务思维,善于分析和理解业务逻辑、系统,合理把控需求和进行设计实现; 4、有较好的数据驱动思维,有广告相关系统开发经验优先; 5、基于前沿技术,在业务增长创新、效率成本优化,微服务稳定性等方面进行技术预研和创新。
社招3年以上研发类
1. 负责公司海量分布式文件存储产品的设计、开发及疑难问题解决,支撑公司千亿级以上文件的访问,保证 业务的良好体验。 2、解决千亿级别以上文件索引的问题以及超大规模集群平滑扩容、在线升级的问题。 3、编写高质量、架构优雅、性能卓越、可读性强的代码;保证业务可持续性,良好的运维体验。 4、通过软件优化、引入高性能的新硬件,能够满足 机器学习、HCI等高性能场景下的文件高性能需求;同时满足超大集群的海量存储需求。
社招5年以上研发类
1、负责信贷风控系统的架构设计和编码实施,对系统的高可用性、可拓展性以及良性演进负责 2、与产品、测试等相关协作方保持紧密协作,保障产品的高质量交付 3、深入理解业务,能主动发现业务难题并通过技术创新解决业务面临的问题