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京东秋招正式批前端面试.md

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JD Autumn Recruitment Official Front-end Interview

I submitted my resume around 10:00AM on 2022.08.09, and then I had a written test at 19:00 on 2022.08.27. I am grateful to JD for giving me the opportunity for an interview.

First Round

This was the second interview today, and I received an email notification for the interview around 10:40 on 2022.09.06. I was able to choose the time, and I chose to interview at 17:00 on 2022.09.08. The interview lasted approximately 35 minutes. The interviewer seemed quite experienced, and the questions asked during the first round were quite challenging.

  • What problem does Promise solve?
  • Why was Promise named Promise?
  • Understanding of low-code development.
  • Give a few examples of how low-code development can provide value in a professional setting.
  • Understanding of micro frontends.
  • The main problems solved by micro frontends and how they are achieved.
  • Different approaches for isolating Js and CSS.
  • Understanding of Docker and the problems it solves.
  • Understanding of Kubernetes and its specific purposes.
  • Basic principles of git and comparison with svn.
  • Detailed explanation of the encryption process in HTTPS transmission.
  • Why is git branch management efficient, pointers/copying.
  • The biggest difference between Vue and React.
  • Differences related to Svelte.

The interviewer seemed very experienced, and the questions asked left me a bit puzzled. During the follow-up questions, I inquired about the department's business. This time, the interview was related to JD Cloud, which perfectly aligns with my current internship at ByteDance Cloud. Additionally, there were some virtualization, public cloud, and hybrid cloud-related job responsibilities. Overall, it went quite well.

Second Round

I scheduled the second interview around 10:24 on 2022.09.09, and the interview time was set for 14:00 on 2022.09.13. This time it was a phone interview, and it had been quite a while since I experienced this form of interview. The only other phone interview I had was back in March with Ant Group. Nevertheless, it worked out well as there was no need to worry about a sudden network failure. The interview lasted approximately 35 minutes.

  • Why did I choose front-end development?
  • Short-term and long-term career planning.
  • Study habits and open-source project involvement.
  • Brief introduction to low-code development implementation.
  • Projects supported.
  • Challenges faced in rich-text editors.
  • Approaches to collaborative writing by multiple authors.
  • Challenges faced in implementing a rich-text editor.
  • Main responsibilities during the Tencent internship.
  • Brief explanation of the live broadcast feature implementation.
  • Brief overview of cloud-related work.
  • How to develop WeChat Mini Programs and the framework used.
  • Brief comparison of uniapp and taro.
  • Participation in the WeChat Mini Program competition.
  • Deployment of mini-programs and the choice of cloud server.
  • R&D processes at Tencent.
  • Communication and collaboration with product and backend teams.
  • Development process at ByteDance.
  • Reasons for choosing to apply to JD and views on JD.

The interviewer seemed very knowledgeable. If I could pinpoint the specific details, the interviewer was willing to explain some of his insights, such as the architectural aspects of taro, static compilation, dynamic runtime, proxy, and using business as a common language for communication with colleagues from various fields. The interviewer was quite articulate. During the follow-up questions, I continued to inquire about cloud-related business, and we had an engaging discussion. Although my internship at ByteDance is in the front-end division, we are responsible for front-end, back-end, product, business, testing, and more, so I have honed my soft skills. Overall, it went very well, especially when delving into specific topics, the interviewer was very talkative.

Follow-Up

On the afternoon of 2022-09-27, I checked the official website and found out that I had been recommended, which means I did not pass. I was quite confident in myself, and after the second round, I received feedback quite quickly. Everything was going smoothly, and I was expecting to pass, but in the end, I didn't. Well, getting used to being rejected is part of the process.