1p3a Experience · Sep 2025

Oracle OCI SMTS Technical Phone Screen Workflow Team Interview Experience

SWE Phone Screen Hard

Interview Experience

Candidate Profile *

Current Role: SSE at Walmart *

Experience: 6.3 Years *

Interview: Oracle Cloud Infrastructure (OCI), Workflow Team *

Round: Screening (conducted by SMTS) **Beha

Full Details

Candidate Profile *

Current Role: SSE at Walmart *

Experience: 6.3 Years *

Interview: Oracle Cloud Infrastructure (OCI), Workflow Team *

Round: Screening (conducted by SMTS)

Behavioral Section (First 20 Minutes) The session began with introductions followed by a detailed discussion regarding the most challenging project executed to date.

Technical Problem Statement (40 Minutes) The task was to design a video buffer data structure capable of storing a limited number of items without using the Java Collections Framework.

Required Operations: 1. add: Add a new item to the buffer;

return True upon success. 2. delete: Remove the oldest element;

return True upon success. 3. getFirst: Retrieve the oldest item currently in the data structure. 4. getEnd: Retrieve the newest item currently in the data structure.

Constraints: * Fixed capacity (limited number of items). * No usage of built-in Java Collections (e.g., ArrayList, LinkedList, Deque).

Status Screening cleared; loop rounds to be scheduled.

About This Question

This is a candidate experience report from a oracle interview for a swe role during the phone screen round reported in 2025.

It covers the following topics: Arrays, Linked List, System Design, Queue, Behavioral, Stack .

Difficulty rating: Hard