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Oracle Senior Software Engineer 4 Interview Questions, Process, and Tips
Oracle Senior Software Engineer 4 Interview Experiences
1 interview found
I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.
(7 Questions)
- Q1. Reverse a linked list
- Ans.
Reverse a linked list by changing the next pointers of each node to point to the previous node.
Start with three pointers: current, previous, and next.
Iterate through the linked list, updating the next pointer of each node to point to the previous node.
Update the previous, current, and next pointers for each iteration.
- Q2. Distribute candies among students with ratings
- Ans.
Distribute candies among students based on their ratings, ensuring higher rated students get more candies.
Create an array to store the ratings of each student
Initialize another array to store the number of candies each student will receive
Start by giving each student 1 candy
Iterate over the ratings array from left to right, comparing each student's rating with the previous one and adjusting the candies accordingly
- Q3. How do we serialize data
- Ans.
Data serialization is the process of converting data structures or objects into a format that can be stored or transmitted.
Serialization involves converting data into a byte stream for storage or transmission.
Common serialization formats include JSON, XML, and Protocol Buffers.
Serialization allows data to be easily saved to a file or sent over a network.
Deserialization is the reverse process of converting serialized da
- Q4. What is data shuffling in spark
- Ans.
Data shuffling in Spark is the process of redistributing data across partitions to optimize parallel processing.
Data shuffling occurs when data needs to be moved across partitions, typically during operations like groupBy, join, or sortBy.
It involves transferring data between executors, which can be a costly operation in terms of performance.
Data shuffling can impact the performance of a Spark job, so it's important to...
- Q5. Explain the functioning of map-reduce
- Ans.
Map-reduce is a programming model used for processing and generating large data sets in parallel.
Map function processes input data and generates key-value pairs
Reduce function takes the output of the map function and combines the values with the same key
Example: Word count in a document - map function counts occurrences of each word, reduce function sums up the counts
- Q6. Micro service architecture: Handling service down-time
- Ans.
Handling service downtime in microservice architecture is crucial for maintaining system reliability.
Implement circuit breakers to prevent cascading failures
Use service discovery to automatically route traffic to healthy instances
Implement retry mechanisms with exponential backoff to handle transient failures
Monitor service health and performance metrics to proactively detect issues
Implement graceful degradation to pro
- Q7. Micro service architecture: Handling too many requests
- Ans.
Implement rate limiting, load balancing, and circuit breaking to handle too many requests in micro service architecture.
Implement rate limiting to control the number of requests a service can handle within a specific time frame.
Use load balancing to distribute incoming requests evenly across multiple instances of a service.
Implement circuit breaking to prevent cascading failures and overload in case of high traffic.
Con...
Skills evaluated in this interview
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Softwaretest Engineer Interview Questions & Answers
Automatic Data Processing (ADP)
Anonymous
posted on 25 Jan 2025
I was interviewed in Dec 2024.
A standardized assessment that measures a person's skills, cognitive abilities, and potential to perform in a specific role.
(4 Questions)
- Q1. Technical interview questions at Automatic Data Processing (ADP) may cover topics such as programming, databases, and software development.
- Q2. They may also ask about problem-solving and how you approach challenging tasks.
- Q3. Emphasize a structured method that involves clearly defining the issue, gathering relevant information, brainstorming potential solutions, evaluating options carefully, implementing the chosen solution, an...
- Q4. Data structures, algorithms, SQL querying, object-oriented programming principles, software development lifecycle, database concepts (relational vs. NoSQL), coding challenges in relevant languages (like Py...
(2 Questions)
- Q1. May ask about your background, skills, and how you handle challenges
- Q2. Background questions Tell me about yourself, What are your career goals, What are your strengths and weaknesses, What do you know about ADP, and Why do you want to work at ADP.
Interview Preparation Tips
Associate Software Engineer Interview Questions & Answers
Bosch Global Software Technologies
Anonymous
posted on 15 Jan 2025
Selected
I applied via Referral and was interviewed in Dec 2024. There were 3 interview rounds.
Topics on electronics and C programming
(4 Questions)
- Q1. Questions on simple python programs and electronics basics
- Q2. Question on simple linked list
- Q3. Program for fibonacci seq
- Ans.
Program to generate Fibonacci sequence
Start with two initial numbers, 0 and 1
Add the previous two numbers to get the next number in the sequence
Repeat this process to generate the Fibonacci sequence
Example: 0, 1, 1, 2, 3, 5, 8, 13, ...
- Q4. Questions on mosfets
(1 Question)
- Q1. Why you would like to join the company, and other questions
Interview Preparation Tips
I was interviewed in Dec 2024.
(7 Questions)
- Q1. Started with introduction
- Q2. Asked about projects
- Q3. Asked Architecture related questions and design pattern related questions
- Q4. If you have 1 million requests how will you manage that
- Ans.
I would use load balancing, caching, and scaling techniques to manage the 1 million requests.
Implement load balancing to distribute requests evenly across multiple servers.
Utilize caching to store frequently accessed data and reduce response times.
Scale horizontally by adding more servers to handle the increased load.
Optimize code and database queries to improve performance.
Monitor system performance and make adjustmen
- Q5. React vs SAP UI5
- Ans.
React is a popular JavaScript library for building user interfaces, while SAP UI5 is a framework for developing enterprise-ready web applications.
React is more flexible and widely used in the industry.
SAP UI5 is specifically designed for SAP applications and has built-in support for SAP technologies.
React has a larger community and ecosystem with more resources and libraries available.
SAP UI5 provides a consistent user...
- Q6. Node VS JAVA
- Ans.
Node.js is a runtime environment for executing JavaScript code outside of a browser, while Java is a general-purpose programming language often used for building enterprise applications.
Node.js is single-threaded and event-driven, making it ideal for handling asynchronous operations like I/O operations.
Java is a statically typed language with a strong emphasis on object-oriented programming, making it suitable for larg...
- Q7. Multitenancy in sap btp
- Ans.
Multitenancy in SAP BTP allows multiple customers to share the same application instance while keeping their data isolated.
Multitenancy allows multiple customers (tenants) to use the same application instance.
Each tenant's data is isolated and secure from other tenants.
Tenants can customize their own settings, branding, and configurations within the shared application.
SAP BTP provides tools and features to manage multi...
Arrays and strings - 90 mins
Create Modules, railway reservation system - 60 mins
(5 Questions)
- Q1. Difference between hashmap and hasptable
- Q2. Why typescript over javascript
- Q3. Find the percentage of increace in the quantity of item after making it price 20% extra
- Q4. What is normalization
- Q5. Date and time api available
Parth Akre
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 3 interview rounds.
It was an amazing interview.
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(5 Questions)
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Selected
I applied via Campus Placement
1 coding question and MCQ on CS fundamentals were asked.
(3 Questions)
- Q1. Questions were on my project. It was a full stack project on MERN. I was asked about non blocking IO, promises, alternatives to react.
- Q2. I was asked a DSA question to find the set of element that occurs twice in the array. I was expected to run the code.
- Q3. I was asked basics about cloud and if I have any related experience as the role would be devops.
(1 Question)
- Q1. I was asked basics questions about myself. It was a very short 15 minute interview.
Software Developer Interview Questions & Answers
OpenText Technologies
Anonymous
posted on 11 Dec 2024
I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.
Basic DSA from the hacker rank website
(1 Question)
- Q1. Basic to medium questions on javascript, nodejs, MySQL joints, html5 tags
(1 Question)
- Q1. Real life problems, Use cases
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Microsoft Corporation
Anonymous
posted on 12 Dec 2024
I was interviewed in Nov 2024.
It was codility test with 2 questions
(1 Question)
- Q1. One codility question
(1 Question)
- Q1. Design system like uber eats
(1 Question)
- Q1. Design system like youtube
Selected
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
It included aptitude, technical and coding questions
(2 Questions)
- Q1. Questions on SQL(Joins)
- Q2. Questions on arrays, substrings
(2 Questions)
- Q1. Location preferred
- Ans.
Remote work preferred, open to occasional travel
Remote work preferred
Open to occasional travel
Flexible with location
- Q2. Family background
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