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🚀 Roblox 收藏系统设计面试真经：别让 1M QPS 把你秒了！- System design – VO 辅助 -optiver number logic test

10 May, 25

前两天小伙伴面了个系统设计，题目直接一上来就给你来个“百万级 QPS 收藏系统”，说白了就是设计 Roblox 这种收藏/点赞的后端。这种题大家别一看以为简单，就什么 Redis + MySQL 一顿操作猛如虎，上来直接凉凉！ 📚

“The candidate knew nothing, but we helped him pass the Amazon interview”: A real case of remote interview support (including question, strategy, and breakdown)

1 May, 25

"During the interview, my mind went completely blank. Luckily, you

“候选人啥也不会，但我们帮他过了 Amazon 面试”：一次真实远程辅助实录（含题目、策略与应对细节）

1 May, 25

“面试的时候我脑子一片空白，幸亏你们在那边及时打字，不然真的一句完整的话都说不出来。” 这是我们收到的一条真实反馈。说这话的，是一位准备 Amazon SDE（软件开发工程师）岗位面试的候选人。他本身背景不弱，但实战能力不足，特别是在算法与数据处理题目中容易卡壳。更要命的是，一到面试那种“盯着你打字、问你思路”的高压环境，他的大脑经常“断电”，连最基本的思路都讲不清楚。如果没有我们 CSOAHELP 的实时远程面试辅助，他很可能会在 Amazon 第一轮技术面试里直接出局。

Is Amazon’s interview process all about raw talent? With CSOAHELP, this candidate passed with a “repeat-after-me” strategy

30 Apr, 25

"Can you find the K largest elements in an array?"

How a Candidate Passed a Real Amazon Interview with CSOAHELP: A Seemingly Simple but Actually Tricky Recommendation System Challenge

29 Apr, 25

Recently, our CSOAHELP team helped a client successfully pass a

[google] OA 2025 start – 28 Apr (general)

28 Apr, 25

Question 1: Search Suggestions System Problem You are given a

“I Totally Blank Out During Interviews, But I Still Passed Google’s—Thanks to This Remote Shadow Team”

26 Apr, 25

This isn’t a feel-good story. It’s a real account of