Virtusa Consulting Services Software Engineer Interview Questions, Process, and Tips

Q1. What performance metrics are used in Machine Learning?
Ans. 
Performance metrics in Machine Learning measure the effectiveness and efficiency of models.
• Accuracy: measures the proportion of correct predictions out of the total predictions made by the model.

• Precision: measures the proportion of true positive predictions out of all positive predictions made by the model.

• Recall: measures the proportion of true positive predictions out of all actual positive instances in the dataset.

• ...read more
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Q2. How will you improve a model once it is trained
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After training a model, I can improve it by fine-tuning hyperparameters, increasing the size of the training dataset, or implementing ensemble methods.
• Fine-tune hyperparameters such as learning rate, batch size, and regularization strength to optimize model performance.

• Increase the size of the training dataset by collecting more data or using data augmentation techniques to improve generalization.

• Implement ensemble met...read more
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1 hard and 1 easy coding question but u can get selected if u can pass even a few test cases

Q1. About yourself in 2 lines
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Q2. Where do you see yourself in 5 years and are u comfortable to work anywhere in the country
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Q1. Coding question: 1. remove sub string and sort alphabetically 2. reverse of a given string 3. bubble sort
Ans. 
Coding questions on string manipulation and sorting algorithms.
• For removing a substring and sorting alphabetically, use string manipulation and sorting functions.

• To reverse a string, use a loop to iterate through the string and append each character to a new string in reverse order.

• For bubble sort, use nested loops to compare adjacent elements and swap them if they are in the wrong order.
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Q2. Explain about projects and any paper publications
Ans. 
I have worked on several projects and have published papers on them.
• I have worked on a project to develop a mobile application for a healthcare startup.

• I have also worked on a project to develop a web application for a logistics company.

• I have published papers on both these projects in international conferences.

• The papers focused on the technical challenges faced and the solutions implemented.

• I have also contributed to
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It is of 3 hours , including coding.

Q1. Coding questions and c++ and java questions
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Q1. Discussions on the term and conditions of the company
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Basic aptitude test with english and maths

Q1. All from resume experience
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Q1. Again from resume on soft skills and passion and hobby part
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