Infosys Data Scientist Interview Questions

4200+ verified questions, indexed by team and level. Real questions submitted by candidates who completed Infosys loops in the last 24 months.

About the Infosys Data Scientist hiring loop

Infosys hires through three tracks — Infosys SP (System Engineer, ₹3.6 LPA), DSE (Digital Specialist Engineer, ₹6.5 LPA), and Power Programmer (₹9 LPA). HackerRank-style coding (Java / Python / C++) plus 90-min Aptitude (Quant + Logical + Verbal + Pseudocode).

Data Science rounds score on statistical rigour, metric definition quality, SQL fluency, framework clarity for case studies, and communication of uncertainty. Companies weight experimental design vs ML modelling differently.

Topics covered in Infosys Data Scientist interviews

  • 01Probability + statistics (hypothesis tests, A/B testing, p-values)
  • 02SQL fluency under time pressure
  • 03Machine learning fundamentals (bias-variance, regularisation, evaluation metrics)
  • 04Experimental design (sample size, power, interference)
  • 05Analytical case studies with metric definition
  • 06Stakeholder communication of statistical results

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