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Unify Technologies
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I applied via Naukri.com and was interviewed before May 2023. There were 2 interview rounds.
Explain the project in details
Some data structure and resume based question
What people are saying about Unify Technologies
I appeared for an interview in Mar 2021.
My current project involves analyzing customer behavior on our e-commerce platform.
Collecting and cleaning data from various sources
Creating visualizations to identify patterns and trends
Using statistical models to make predictions and recommendations
Collaborating with cross-functional teams to implement changes
Tracking and measuring the impact of changes on customer behavior
posted on 29 Jul 2024
posted on 10 Aug 2024
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
Union combines and removes duplicates, Union All combines without removing duplicates
Union combines result sets and removes duplicates
Union All combines result sets without removing duplicates
Union is slower than Union All as it involves removing duplicates
Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;
Example: SELECT column1 FROM table1 UNION ALL SELECT column1 FROM table2;
Coalesce function in SQL is used to return the first non-null value in a list of expressions.
Coalesce function takes multiple parameters and returns the first non-null value.
It is commonly used to handle null values in SQL queries.
Example: SELECT COALESCE(column_name, 'N/A') FROM table_name;
posted on 25 Oct 2023
posted on 13 Jun 2022
I applied via Recruitment Consulltant and was interviewed in May 2022. There were 3 interview rounds.
posted on 2 Nov 2022
I applied via Campus Placement and was interviewed in Oct 2022. There were 4 interview rounds.
Apti questions leval medium it was easy to go for round 2
I applied via Recruitment Consultant and was interviewed in Jul 2021. There were 3 interview rounds.
Developed a machine learning model to predict customer churn for a telecom company.
Used logistic regression and decision tree algorithms for classification.
Performed feature engineering to extract relevant features from customer data.
Achieved an accuracy of 85% on the test set.
Provided actionable insights to the company to reduce customer churn.
Different performance metrics are used to measure the effectiveness of a model or system.
Accuracy
Precision
Recall
F1 Score
ROC Curve
AUC
Mean Squared Error
Root Mean Squared Error
R-squared
Bagging and boosting are ensemble learning techniques. XgBoost is a gradient boosting algorithm.
Bagging involves training multiple models on different subsets of the data and combining their predictions.
Boosting involves training models sequentially, with each model trying to correct the errors of the previous model.
XgBoost is an optimized implementation of gradient boosting that uses a combination of tree-based models...
I applied via Campus Placement
Easy to moderate level aptitude test
data interpretation, analytics, python, etc were asked
The impact of social media on society
Social media has revolutionized communication and connectivity
It has transformed the way people interact and share information
Social media has both positive and negative effects on society
Examples include the spread of fake news, cyberbullying, and online activism
It has also facilitated business growth and marketing strategies
based on 1 interview
Interview experience
based on 1 review
Rating in categories
Senior Software Development Engineer
58
salaries
| ₹10 L/yr - ₹30.2 L/yr |
Software Development Engineer
54
salaries
| ₹5.8 L/yr - ₹20 L/yr |
Senior Software Engineer
45
salaries
| ₹11.5 L/yr - ₹31 L/yr |
Senior Software Test Engineer
41
salaries
| ₹6.5 L/yr - ₹21 L/yr |
Executive Resourcing
33
salaries
| ₹2.4 L/yr - ₹4.5 L/yr |
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