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I applied via Referral and was interviewed before Oct 2023. There was 1 interview round.
A datawarehouse is a centralized repository that stores integrated and structured data from multiple sources for analysis and reporting.
Datawarehouse stores historical data for analysis
It is used for decision-making and business intelligence
Data is extracted, transformed, and loaded (ETL) into the datawarehouse
Examples: Amazon Redshift, Snowflake, Google BigQuery
To open multiple sessions in PostgreSQL, you can use multiple connections from different clients.
Use different client applications to connect to the PostgreSQL database with different credentials
Each client connection will create a separate session in PostgreSQL
You can also use connection pooling to manage multiple sessions efficiently
Flattening JSON involves converting nested JSON structures into a flat key-value format.
Use a programming language with built-in functions for flattening JSON, such as Python's json_normalize() function.
Recursively iterate through the JSON structure to extract all nested key-value pairs.
Map each nested key to a flat key by joining the parent keys with a separator, such as a dot.
Handle arrays by creating separate keys f
Use the xmltodict library in Python to flatten XML data structures.
Install the xmltodict library using pip install xmltodict
Use xmltodict.parse() to convert XML data to a Python dictionary
Use json.dumps() to convert the dictionary to a JSON string for a flattened structure
Self join is used to join a table with itself to compare rows within the same table.
Use the same table name for both instances in the query
Specify aliases for each instance of the table to differentiate them
Use a join condition to specify how the rows should be matched
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I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Walk-in and was interviewed before Jul 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Jan 2021. There were 2 interview rounds.
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I was interviewed in Sep 2016.
Developed a web-based project management tool for a software development company.
Used Agile methodology for development
Implemented features like task assignment, progress tracking, and team collaboration
Integrated with third-party tools like GitHub and Slack
Designed a user-friendly interface with responsive design
Deployed on AWS using EC2 and RDS
My CV showcases my experience in software development, including projects in Java, Python, and web development.
Experience in Java, Python, and web development
Worked on projects involving database management systems
Familiar with Agile development practices
I was interviewed in May 2017.
Developed a web-based project management system for tracking tasks and deadlines.
Used HTML, CSS, JavaScript for front-end development
Implemented backend using Node.js and MongoDB for database management
Incorporated user authentication and authorization features
Utilized Agile methodology for project management
I was interviewed before Jun 2016.
An induction motor can be started by providing a rotating magnetic field.
Use a three-phase power supply to create a rotating magnetic field
The magnetic field induces a current in the rotor, causing it to rotate
The motor may require a starting capacitor or a starting winding to provide the initial torque
Once the motor reaches its rated speed, the starting mechanism can be switched off
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
Experienced in full stack web development
Proficient in languages like JavaScript, Python, and Java
Familiar with frameworks like React, Node.js, and Spring Boot
Strong problem-solving and analytical skills
Excellent team player with good communication skills
I was interviewed in Mar 2017.
I was interviewed in Dec 2016.
I was interviewed before May 2016.
Passion for problem-solving and creating innovative solutions drives my interest in software industry.
Passion for problem-solving and creating innovative solutions
Interest in technology and its impact on society
Opportunity for continuous learning and growth
Desire to work on cutting-edge projects and contribute to advancements in the field
Infosys is a global leader in technology services and consulting, known for its innovative solutions and strong company culture.
Infosys has a strong reputation for delivering high-quality technology solutions to clients worldwide.
The company offers a wide range of opportunities for career growth and development.
Infosys has a collaborative and inclusive work culture that values diversity and innovation.
Developed a web-based project management system for tracking tasks and deadlines
Used HTML, CSS, JavaScript for front-end development
Implemented backend using Node.js and MongoDB for database management
Incorporated user authentication and authorization features
Tested the system for performance and security vulnerabilities
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