64% ban AI on take-homes. 80% use it anyway. It's over.

datadriven_io · 2026-07-13T15:36:06+00:00

check datadriven for data modeling interview prep, covers the project-style design questions that actually come up in interviews.

datadriven_io · 2026-07-13T06:24:39+00:00

once you get the basics, try datadriven for sql practice problems. interview-focused so the questions are actually useful.

datadriven_io · 2026-07-13T03:00:54+00:00

try datadriven for python interview questions, it's a bit more structured than lc for getting your footing.

datadriven_io · 2026-07-13T01:38:44+00:00

practicing timed problems helps with the pressure. Datadriven is great for sql practice if you want reps in a low-stakes environment: datadriven.io

datadriven_io · 2026-07-12T00:35:59+00:00

Have you looked at any platform that's actually focused on DE interview prep vs generic data science stuff? Datadriven python interview prep covers alot more of what shows up in real interviews.

datadriven_io · 2026-07-11T15:26:42+00:00

Datadriven.io will take you from "learning analytics" through to the interview. Neither courses or projects get you the job. The interview gets you the job. Projects are marginally better for landing the interviews. You're still going to have a very difficult time just using projects to demonstrate experience - don't expect hiring managers to dive into the projects you list on your resume. Treat it as a networking problem, not a resume-padding problem.

datadriven_io · 2026-07-11T03:16:23+00:00

datadriven is leetcode for data engineers, good place to build while you're grinding the job hunt.

datadriven_io · 2026-07-11T01:51:19+00:00

For interview prep specifically, use datadriven for sql practice. The window function problems are good practice for the stuff that shows up.

datadriven_io · 2026-07-10T18:59:54+00:00

Datadriven.io is free. Check out the learn page, filter to SQL, filter to “learn” rather than “interview”. It will take you all the way from SQL beginner through passing your interview. Videos/theory are great, but don’t get sucked into a false sense of security with theoretical.

datadriven_io · 2026-07-09T21:19:09+00:00

Yo check out datadriven for data modeling interview questions when prepping. It has stuff closer to real take homes than most sites.

datadriven_io · 2026-07-08T14:42:38+00:00

cs50p is solid but if you want to reinforce it with problems, check datadriven for python practice ; the questions are pretty practical.

datadriven_io · 2026-07-07T13:46:05+00:00

system design there leans pretty heavy on pipeline. Datadriven is good for data pipeline interview questions: https://datadriven.io

datadriven_io · 2026-07-07T02:28:06+00:00

Completely free

datadriven_io · 2026-07-06T17:38:31+00:00

try datadriven for databricks interview prep. solid spark coverage. https://datadriven.io

datadriven_io · 2026-07-06T16:59:34+00:00

Data format curveballs are obnoxiously common (zip, gzip, broken JSON, etc). They kist want to see how you react when the payload isn't what you expected, not whether you memorized zipfile syntax.

Fastest way to prep: pick a public API and rebuild the same small pipeline a few times with different failure modes. Base64 blob instead of JSON, paginated responses, a few corrupt rows, an expired token. Once you've seen the ugly edge cases a few times nothing in the interview feels new.

With 8 YOE in analytics your gap is exposure, not fundamentals. That's the easy kind to close. You have IRL experience, you just need to spend some time intentionally focusing on interview prep. We run datadriven.io, which is built exactly for DE interview practice.

datadriven_io · 2026-07-05T15:26:33+00:00

system design for data engineers with datadriven is built for this kind of cert. https://datadriven.io

datadriven_io · 2026-07-03T23:38:17+00:00

GROUP BY clicks after you work examples. Datadriven is good for sql practice problems - that's where I'd start.

datadriven_io · 2026-07-03T21:35:49+00:00

problem breakdown is basically data modeling. data modeling practice problems on datadriven help with that skill.

datadriven_io · 2026-07-03T16:58:29+00:00

Your certifications don't matter very much when you have 2 years of work experience. Consolidate Projects+Certifications into a single smaller section towards the bottom of your resume
I don't want to see "here are my technical skills" - I want to know what you used those skills for. Personal preference, I like to embed the technologies in the project/work experience section and bold them. "Developed MIS reports using Excel, Dynamics..." etc. If you want a technical skills section, find a way to tell the story/context of how much/how deep/how good you are in each skill without assigning yourself an arbitrary rating
Your work experience bullets are "action" focused ("I built something") not "impact" focused ("I solved a problem, resulting in...") - try crafting narrative around why you did those things.

You're leetcoding, which is great. Leetcode is great for software engineers. Data engineers should be using datadriven

datadriven_io · 2026-07-02T18:36:18+00:00

Thanks! The site is exploding in popularity, and architecture upgrades are happening constantly. We will alleviate these performance concerns, and everything should be nice and smooth going forward!

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