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Northcorp
Software
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Sourcing involves identifying and engaging potential candidates for job openings through various channels and strategies.
Utilizing job boards like LinkedIn, Indeed, and Glassdoor to find candidates.
Leveraging social media platforms to connect with passive candidates.
Networking at industry events and conferences to build relationships.
Using Boolean search techniques to refine candidate searches.
Engaging with employee re...
Technical screening evaluates candidates' skills and knowledge relevant to a specific technical role during the hiring process.
Assesses candidates' technical skills through coding tests or technical questions.
Involves evaluating problem-solving abilities and understanding of relevant technologies.
Can include practical assessments, such as live coding sessions or take-home projects.
Helps identify candidates who not only...
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I appeared for an interview before Mar 2024.
I am proficient in various data analysis tools, including Excel, SQL, Python, and visualization software like Tableau.
Excel: Advanced functions, pivot tables, and data visualization.
SQL: Writing complex queries for data extraction and manipulation.
Python: Utilizing libraries like Pandas and NumPy for data analysis.
Tableau: Creating interactive dashboards for data visualization.
R: Statistical analysis and data visualiza...
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
Based on my CV, they assigned me a task related to data migration.
I appeared for an interview in May 2025, where I was asked the following questions.
Handling missing data involves identifying, assessing, and applying appropriate techniques to manage gaps in datasets.
Identify missing data: Use methods like 'isnull()' in Python to find missing values.
Assess the impact: Determine how missing data affects your analysis and results.
Imputation: Replace missing values with mean, median, or mode. For example, use the median for skewed distributions.
Remove missing data: If ...
Inner join returns matching records from both tables, while left join returns all records from the left table and matching from the right.
Inner Join: Combines rows from two tables where there is a match in both tables.
Left Join: Returns all rows from the left table and matched rows from the right table; unmatched rows from the right will show NULL.
Example of Inner Join: SELECT * FROM TableA INNER JOIN TableB ON TableA....
Choosing the right visualization depends on data type, audience, and insights needed.
Use bar charts for categorical comparisons (e.g., sales by region).
Line charts are ideal for trends over time (e.g., monthly revenue).
Pie charts can show proportions but are less effective for many categories.
Scatter plots help identify relationships between two variables (e.g., age vs. income).
Heatmaps visualize data density or correl...
I appeared for an interview before Mar 2024.
Faced a challenge with database performance, optimized queries, and implemented caching to enhance response times significantly.
Identified slow queries using profiling tools like EXPLAIN in SQL.
Refactored complex joins into simpler queries to reduce execution time.
Implemented Redis caching for frequently accessed data, reducing database load.
Monitored performance metrics post-implementation to ensure improvements.
Ensuring backend security and scalability involves implementing best practices in architecture, coding, and infrastructure management.
Implement authentication and authorization mechanisms (e.g., OAuth, JWT) to secure APIs.
Use HTTPS to encrypt data in transit and protect against man-in-the-middle attacks.
Regularly update dependencies and libraries to patch known vulnerabilities.
Employ rate limiting and throttling to pre...
I optimize databases by analyzing queries, indexing, and using caching strategies to enhance performance in large-scale applications.
Analyze slow queries using tools like EXPLAIN to identify bottlenecks.
Implement indexing on frequently queried columns to speed up data retrieval.
Use caching mechanisms (e.g., Redis, Memcached) to reduce database load.
Partition large tables to improve query performance and manageability.
O...
I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.
Developed various products including web applications, APIs, and data analysis tools.
Created a web application for tracking sales data using Django framework
Built RESTful APIs for mobile applications using Flask
Developed data analysis tools using pandas and numpy libraries
I applied via LinkedIn and was interviewed before Apr 2023. There were 2 interview rounds.
I led a team of developers, fostering collaboration and driving project success through effective communication and agile methodologies.
Managed a team of 5 developers, overseeing project timelines and deliverables.
Implemented Agile methodologies, resulting in a 30% increase in productivity.
Conducted regular code reviews to ensure quality and adherence to best practices.
Facilitated team meetings to encourage open commun...
I applied via Company Website and was interviewed in Apr 2023. There were 5 interview rounds.
posted on 2 May 2023
I appeared for an interview in Apr 2023.
Verbal ability
Number series
Coding questions
posted on 20 Mar 2024
I applied via Naukri.com and was interviewed before Mar 2023. There were 3 interview rounds.
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