TCS Data Engineer interview questions and process

Updated · 14 sources

Hiring Pulse: where TCS candidates are right now

Dated status reports from public Reddit threads and anonymous PortLume reports, updated Oct 18. Not official TCS data.

  • 78 status reports in the last 7 days
  • Not enough data yet: median from final interview to a decision shows at 5+ people (1 so far)
  • Latest movement: 25 offers, 2 rejections, 1 final round reported since Oct 11

Latest TCS hiring reports

Candidates rate the TCS Data Engineer interview Medium: Reported TCS Data Engineer loops lean on SQL, PySpark, and Azure fundamentals rather than hard algorithmic rounds, though one candidate described a 19-minute ETL/SQL interview and another called the questioning random and disconnected from hiring. Reports describe 4 rounds, from HR Screening (phone call) to HR / Managerial Round, with about 2-4 weeks from first call to offer.

Debrief your TCS interview free

No signup needed. See what likely went wrong in about 2 minutes.

TCS Data Engineer interview rounds

  1. HR Screening (phone call): A phone screen covering experience, notice period, and role fit; one 2026 report shows this happening a day before the first technical round.
  2. Technical Round 1 (SQL / Azure / data fundamentals)
  3. Technical Round 2 (PySpark / ETL / scenario)
  4. HR / Managerial Round

Questions reported in TCS Data Engineer interviews

  1. Write a SQL query (TCS Senior Data Engineer round focused on step-by-step SQL query writing).
  2. PySpark question asked in TCS Data Engineer Round 2.
  3. Azure Data Engineer technical round - Azure data services questions.
  4. Most asked TCS SQL interview questions (aggregations, joins, query output).
  5. ETL/SQL questions in a short 19-minute TCS ETL Tester interview.
  6. Explain how you'd design an incremental ETL pipeline and handle late-arriving data.

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

TCS Data Engineer interview: quick answers

How many rounds are in the TCS Data Engineer interview?

Public reports describe 4 rounds for the TCS Data Engineer interview: (1) HR Screening, (2) Technical Round 1, (3) Technical Round 2, (4) HR / Managerial Round. Round 1: A phone screen covering experience, notice period, and role fit; one 2026 report shows this happening a day before the first technical round.

Is the TCS interview difficult?

Public reports put the TCS Data Engineer interview at Medium difficulty. Reported TCS Data Engineer loops lean on SQL, PySpark, and Azure fundamentals rather than hard algorithmic rounds, though one candidate described a 19-minute ETL/SQL interview and another called the questioning random and disconnected from hiring.

Does TCS ask DSA in Data Engineer interviews?

Not much, according to the reports. Practical and tool-focused - SQL query writing, PySpark, and Azure/ETL concepts rather than heavy DSA, though quality and depth vary by panel. Based on 14 public reports, last updated Oct 2026.

How long does TCS take to give results?

Time to a result for the TCS Data Engineer process, per public reports: 2-4 weeks. The process has 4 rounds, from HR Screening to HR / Managerial Round. Based on 14 public reports, last updated Oct 2026.

What is the TCS Data Engineer salary in India?

From public salary data and candidate posts: 6.7-7.4 Lakhs per year (India, Data Engineer). In US dollars: ~$82,625 average annual (Data Engineer, US-based TCS employees). This is not an official TCS figure, and pay varies by level, city and experience.

Sources

Based on 14 public reports: YouTube (8), AmbitionBox (3), Reddit (2), Glassdoor (1), last updated Oct 2026.

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

Already interviewed at TCS?

Debrief your TCS interview free

No signup needed. See what likely went wrong in about 2 minutes.

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

Other roles at TCS

Data Engineer interviews at similar companies

More: all company interview guides · why candidates get rejected after the interview · rejection email decoder.

Featured on FoundrList

PortLume AI

Loading…