Kellton 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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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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Q1. Good interview with skilled questions and discussions
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Q2. How much you expect
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