INTERVIEW PREP · INDIA AND US
Oracle software engineer interview
The rounds at each level, what interviewers score, and the questions candidates report, linked to problems you can solve here with the editor, walkthrough video and solutions in four languages.
Levels
| AlgoRung level | Oracle title | Experience | Interviews after screening | Design rounds |
|---|---|---|---|---|
| SDE 1 | IC1–IC2 Software Developer / MTS | New grad to about 2 years | about 4 | Yes |
| SDE 2 | IC2–IC3 MTS / Senior MTS | About 2 to 5 years | about 6 | Yes |
| SDE 3 | IC3–IC4 Senior / Principal MTS | Senior, about 5 to 10 years | about 6 | Yes |
| SDE 4 | IC5 Consulting MTS, IC6 Architect | Staff, principal and above | about 5 | Yes |
The rounds, in order
Pick your level above to see only your rounds. Each step links to a guide on how that round is scored.
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Phone / recruiter screen · 45 min
A recruiter call on your work history and why Oracle, sometimes with light technical questions.
All levels
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Online assessment · 90 min
An online or live screen with one or two DSA problems that must pass every test; sometimes a design-pattern task.
All levels
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Coding (DSA) × 2 · 60 min
Rounds that mix DSA with grilling on past projects and Java or REST deep dives.
All levels
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Low-level design / machine coding · 30 min
Usually half a round: schema or class design.
SDE 1, SDE 2, SDE 3
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System design (HLD) · 60 min
From IC3 up, an architecture round on your current system plus a standard design prompt.
SDE 2, SDE 3, SDE 4
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Hiring manager · 60 min
Project architecture, behavioral questions and sometimes a design prompt.
All levels
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Bar raiser · 60 min
Cloud infrastructure (OCI) loops often include a bar-raiser round by a senior engineer from another team.
SDE 2, SDE 3, SDE 4
ScreeningCodingDesignBehavioralDecision
What interviewers look for
- A correct, fully passing solution, then the better complexity
- Clear explanation of your current project's architecture
- Java depth: collections, exceptions, concurrency
- Cloud and distributed-systems basics for OCI teams
- STAR stories with numbers, especially about failures
Topics to focus on
Weighted by what candidates say comes up and by the reported questions below.
Coding questions candidates report
Each links to the AlgoRung problem: write-up, animated walkthrough, solutions in Java, Python, C++ and JavaScript, and an editor with hidden tests. Shared questions show the other companies that ask them.
- Group Anagrams Medium Arrays & Hashing also Amazon, Meta
- Next Greater Element I Easy Monotonic Stack also Adobe, Walmart Global Tech
- Search a 2D Matrix II (Young Tableau) Medium Binary Search
- Shortest Path in Binary Matrix Medium Graphs
- Merge Intervals Medium Intervals also Netflix, LinkedIn, Atlassian
- Missing Number Easy Bit Manipulation
- LRU Cache Medium Design Data Structures also Amazon, Microsoft, Apple +4
- Serialize and Deserialize Binary Tree Hard Trees & BST also Amazon, Meta, LinkedIn
- Minimum Window Substring Hard Arrays & Hashing also Google, Meta, LinkedIn
- Course Schedule Medium Graphs also Google, Amazon, Netflix +1
- 01 Matrix Medium Graphs
- Linked List Cycle Easy Linked List
- Product of Array Except Self Medium Arrays & Hashing also Meta
- Continuous Subarray Sum Medium Arrays & Hashing also Adobe
No questions match.
Oracle coding questions by topic · Oracle SDE 1 interview · Oracle SDE 2 interview · Oracle senior interview · Oracle staff interview
Also reported, not on AlgoRung yet (2)
Reorganize String · Number of Matching Subsequences
Design questions
IC2 loops usually stop at LLD or schema design. From IC3 up, expect at least one HLD round plus an architecture walkthrough of your current project; at IC4, architecture matters more than puzzles.
- Reported: Movie ticket booking Movie booking · walkthrough
- Reported: URL shortener URL shortener · walkthrough Practise on the board
- Reported: Fix bottlenecks in an add-to-cart flow E-commerce (Amazon) · walkthrough
- Reported: Job scheduler Job scheduler · walkthrough
- Reported: Search typeahead Search autocomplete · walkthrough
Also reported: Distributed key-value store
Oracle system design questions in detail · How to answer any design question: the LADDER method
Worth knowing
- Cloud infrastructure (OCI) teams run a tougher loop with a bar raiser; other orgs often run two or three rounds.
- Titles map to IC1–IC6 bands and may appear as 'Software Developer N' or MTS / SMTS / PMTS.
- Expect project grilling in nearly every round.
Interviewing at Oracle?
Add the date and your level. AlgoRung builds a plan back from the interview day, schedules revisions before it, and counts problems you have already solved for every company that asks them.
Sources
Written in our own words from these public pages and candidate reports, checked November 2026. Company names are trademarks of their owners.