Persistent Systems Data Engineer interview questions and process

Updated · 14 sources

Hiring Pulse: where Persistent Systems candidates are right now

No candidate reports for Persistent Systems in the last 30 days. Last checked Oct 18. Public Reddit threads are read daily. Not official Persistent Systems data.

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Candidates rate the Persistent Systems Data Engineer interview Medium: Glassdoor and AmbitionBox reports describe 2-3 technical rounds plus HR for experienced Data Engineer hires, with SQL-heavy screening but inconsistent scheduling and interviewer no-shows rather than unusually hard problems. Reports describe 5 rounds, from Resume Shortlist to HR Discussion, with about Under 2 weeks for 67% of candidates; 2-4 weeks for 21% (AmbitionBox) from first call to offer.

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Persistent Systems Data Engineer interview rounds

  1. Resume Shortlist: AmbitionBox reports resume shortlist as a common first gate for experienced candidates, followed by 2-3 rounds total.
  2. Technical Round 1 (SQL / Data Modeling)
  3. Technical Round 2 (Data Engineering concepts, Python/ETL)
  4. Client Interview (sometimes)
  5. HR Discussion

Questions reported in Persistent Systems Data Engineer interviews

  1. SQL: given a ROUTES table with ORIGIN and DESTINATION columns, write a query to find the unique combination of records (reported Persistent Systems SQL question).
  2. SQL: solve a problem using LEAST(), GREATEST() and ROW_NUMBER() window functions (reported Persistent Systems SQL question).
  3. For a Data Science / ML / GenAI role at Persistent Systems: explain your approach to a generative AI or ML pipeline problem (from reported Persistent Systems DS/GenAI interview coverage).
  4. Walk through how you would design an incremental-load ETL pipeline and handle late-arriving data.
  5. How would you optimize a slow Spark or SQL job processing a large fact table?

Practise any of these with timed AI feedback and a full Persistent Systems mock: free account.

Persistent Systems Data Engineer interview: quick answers

How many rounds are in the Persistent Systems Data Engineer interview?

Public reports describe 5 rounds for the Persistent Systems Data Engineer interview: (1) Resume Shortlist, (2) Technical Round 1, (3) Technical Round 2, (4) Client Interview, (5) HR Discussion. Round 1: AmbitionBox reports resume shortlist as a common first gate for experienced candidates, followed by 2-3 rounds total.

Is the Persistent Systems interview difficult?

Public reports put the Persistent Systems Data Engineer interview at Medium difficulty. Glassdoor and AmbitionBox reports describe 2-3 technical rounds plus HR for experienced Data Engineer hires, with SQL-heavy screening but inconsistent scheduling and interviewer no-shows rather than unusually hard problems.

How long does Persistent Systems take to give results?

Time to a result for the Persistent Systems Data Engineer process, per public reports: Under 2 weeks for 67% of candidates; 2-4 weeks for 21% (AmbitionBox). The process has 5 rounds, from Resume Shortlist to HR Discussion. Based on 14 public reports, last updated Oct 2026.

What is the Persistent Systems Data Engineer salary in India?

From public salary data and candidate posts: 7.82LPA fixed at 1 year exp; 19.25LPA fixed at 10 years exp (Data Engineer, AmbitionBox). This is not an official Persistent Systems figure, and pay varies by level, city and experience. Based on 14 public reports, last updated Oct 2026.

Sources

Based on 14 public reports: YouTube (7), AmbitionBox (3), Glassdoor (2), Levels.fyi (1), Weekday (1), last updated Oct 2026.

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

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Last round at Persistent Systems is usually HR: Persistent Systems HR interview questions and answers.

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