Mastek Lead Engineer Interview Questions and Answers

Basic of Oracle/SQL : Joins, left join , trigger

Q1. Tell me about yourself
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Q2. What are pros and cons
Ans. 
Pros and cons of a Lead Engineer role
• Pros: opportunity to lead and mentor a team, chance to make high-level technical decisions, potential for career growth and advancement

• Cons: increased responsibility and pressure, potential for conflicts with team members or stakeholders, need to balance technical and managerial tasks
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Q1. Tell me about your previous experience
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I have over 5 years of experience as a lead business analyst in various industries.
• Led a team of analysts in developing and implementing business strategies

• Performed data analysis to identify trends and make recommendations for improvement

• Collaborated with stakeholders to gather requirements and ensure project success
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Q2. Explain the challenge With API Clients
Ans. 
API clients can pose challenges due to varying levels of technical expertise and understanding of the API.
• Different API clients may have different levels of technical expertise, leading to misunderstandings or misinterpretations of the API documentation.

• API clients may not fully understand the capabilities and limitations of the API, resulting in inefficient or incorrect usage.

• Managing multiple API clients can be compl...read more
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Q1. Most challenging project you worked on.
Ans. 
Leading a team to implement a new CRM system for a multinational company.
• Coordinating with multiple stakeholders to gather requirements

• Managing a diverse team of analysts and developers

• Navigating complex technical challenges and integrations

• Ensuring successful user adoption and training

• Delivering the project on time and within budget
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Q2. Tools used by the Business Analyst
Ans. 
Business analysts use various tools to analyze data and communicate with stakeholders.
• Microsoft Excel for data analysis and reporting

• Jira for project management and tracking

• Lucidchart for creating process flow diagrams

• Tableau for data visualization

• Confluence for documentation and collaboration
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Q1. What is gradient descent?
Ans. 
Gradient descent is an optimization algorithm used to minimize a function by iteratively moving in the direction of steepest descent.
• Gradient descent is used to find the minimum of a function by iteratively updating the parameters in the opposite direction of the gradient.

• It involves calculating the gradient of the loss function with respect to the parameters and updating the parameters accordingly.

• The learning rate de...read more
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Q1. Remove duplicates from the list
Ans. 
Remove duplicates from an array of strings
• Create a new set to store unique values

• Iterate through the array and add each element to the set

• Convert the set back to an array to remove duplicates
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Q2. Inheritance related theoretical
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Design a Distributed Cache

Q1. What is the difference between ductile and malleable material
Ans. 
Ductile materials can be drawn into wires, while malleable materials can be hammered or rolled into thin sheets.
• Ductile materials can be drawn into wires without breaking.

• Malleable materials can be hammered or rolled into thin sheets without breaking.

• Ductile materials include metals like copper and aluminum.

• Malleable materials include metals like gold and lead.
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Q2. State laws of thermodynamics, basic g d and t questions
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Q1. What are oops concept
Ans. 
Object-oriented programming concepts that focus on data encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability for objects of different classes to respond to the same message

• Abstraction: hiding the complex implementation det
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