LinkedIn Data Engineer interview questions and process

Updated 15 Oct 2026 · 13 sources

Hiring Pulse: where LinkedIn candidates are right now

Dated status reports from public Reddit threads and anonymous PortLume reports, updated Oct 17. Not official LinkedIn data.

1 status reports in the last 7 days
Not enough data yet: median from final interview to a decision shows at 5+ people
Latest movement: 4 final rounds, 2 interviews reported since Sep 18

Latest LinkedIn hiring reports

Oct 16: Final round Oct 16 (r/recruitinghell)
Oct 9: Final round Oct 9 (r/developersIndia)
Oct 8: Interview Oct 9 (r/cscareerquestionsIN)
Oct 8: Interview Oct 9 (r/Btechtards)
Sep 30: Final round Sep 30 (r/leetcode)

Candidates rate the LinkedIn Data Engineer interview Medium-Hard: Reports describe a Hackerrank OA with LeetCode medium/hard plus SQL medium questions, followed by a screen and a multi-round onsite where optimal solutions and follow-ups are expected. Reports describe 5 rounds, from Online Assessment (Hackerrank) to Onsite Loop (remaining rounds).

Difficulty: Medium-Hard
Skills asked about: Advanced SQL (window functions, ranking), Data structures and algorithms, Python / PySpark

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LinkedIn Data Engineer interview rounds

Online Assessment (Hackerrank): About 2 hours on Hackerrank. Reported as two LeetCode-style DSA questions (one report says medium plus hard) and two medium SQL questions leaning on rank and row_number patterns.
Telephonic Screening
SQL Round
DSA Round
Onsite Loop (remaining rounds)

Questions reported in LinkedIn Data Engineer interviews

Find the kth largest element in a tree.
Solve an enhanced version of the merge intervals problem and discuss multiple approaches.
Solve the Valid Triangle problem.
Find the top k elements with an optimal approach.
Write a SQL query using window/rank functions, then handle follow-up variations on it. (typical for this role, not from a single report)

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LinkedIn Data Engineer interview: quick answers

How many rounds are in the LinkedIn Data Engineer interview?

Public reports describe 5 rounds for the LinkedIn Data Engineer interview: (1) Online Assessment, (2) Telephonic Screening, (3) SQL Round, (4) DSA Round, (5) Onsite Loop. Round 1: About 2 hours on Hackerrank. Reported as two LeetCode-style DSA questions (one report says medium plus hard) and two medium SQL questions leaning on rank and row_number patterns.

Is the LinkedIn interview difficult?

Public reports put the LinkedIn Data Engineer interview at Medium-Hard difficulty. Reports describe a Hackerrank OA with LeetCode medium/hard plus SQL medium questions, followed by a screen and a multi-round onsite where optimal solutions and follow-ups are expected. The process has 5 rounds, from Online Assessment to Onsite Loop.

Does LinkedIn ask DSA in Data Engineer interviews?

Yes. Rounds that involve coding: DSA Round. Reported coding questions include "Solve an enhanced version of the merge intervals problem and discuss multiple approaches". Heavy on LeetCode-style DSA and medium SQL with follow-ups, where interviewers push for the optimal solution.

Sources

Based on 13 public reports: LeetCode Discuss (9), 6figr (1), Glassdoor (1), Reddit (1), YouTube (1), last updated Oct 2026.

Compiled by Adarsh Sharma from public candidate reports. Unofficial guide: PortLume AI is not affiliated with LinkedIn.

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