3 write-ups · 28 questions

Oracle Backend Engineer interview experience

Every Oracle Backend Engineer interview written up on the site: the rounds, the questions asked, how candidates prepared and whether they got the offer.

Oracle Backend Engineer interviews at a glance

Worked out from the 3 Oracle Backend Engineer write-ups on this site.

interview write-ups
3
latest write-up
Aug 2026

What the rounds test

  • Data Structures & Algorithms9 · 32%
  • System Design9 · 32%
  • Behavioral8 · 29%
  • Other2 · 7%

Question difficulty

  • Medium5 · 100%

Roles covered

Oracle Backend Engineer interview experiences1–3 of 3

Questions asked in Oracle Backend Engineer interviews

  1. 01

    Top K URLs overall and in last 24 hours

    Data Structures & Algorithms · Medium

  2. 02

    Top 100 active users in the last hour

    Data Structures & Algorithms · Medium

  3. 03

    Maximum sum subarray with length constraint

    Data Structures & Algorithms · Medium

  4. 04

    Design log ingestion system for top K error microservices

    System Design

  5. 05

    Top K Frequent Elements with Tie-breaking

    Data Structures & Algorithms

  6. 06

    Split String into Three Palindromic Substrings

    Data Structures & Algorithms

  7. 07

    Best Time to Buy and Sell Stock

    Data Structures & Algorithms

  8. 08

    Add One to Number Represented as Digit Array without ArrayList

    Data Structures & Algorithms

  9. 09

    Healthcare Data Ingestion Pipeline Design

    System Design

  10. 10

    Rate Limiter Design

    System Design

  11. 11

    Describe a Time When You Could Not Meet a Tight Deadline

    Behavioral

  12. 12

    Tell Me About a Conflict Within Your Team and How You Handled It

    Behavioral

All Oracle interview questions

Oracle Backend Engineer interview FAQ

What does the Oracle Backend Engineer interview focus on?

Across 3 Oracle Backend Engineer interview experiences shared on Interview Experiences, the questions asked were mostly data structures & algorithms (32% of reported questions), system design (32% of reported questions), behavioral (29% of reported questions).

How hard is the Oracle Backend Engineer interview?

Candidates rated most Oracle Backend Engineer questions as medium (100% of rated questions). Medium: 100%.

Interviewed for Oracle Backend Engineer?

Your write-up is what the next Backend Engineer candidate is searching for.

Share your experience