OEConnection Technical Lead Interview Questions and Answers

Golang questions on threads

Q1. Design Uber App using AWS infra ?
Ans. 
Uber App can be designed using AWS infra by leveraging services like EC2, S3, Lambda, API Gateway, RDS, and DynamoDB.
• Use EC2 instances to host the backend services and databases.

• Store user data and media files in S3 buckets.

• Utilize Lambda functions for serverless computing and event-driven architecture.

• Expose APIs through API Gateway for communication between different components.

• Use RDS for relational database managem
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Q2. How you handled the difficult situation with customer ?
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Q1. Have you faced any situation where you stuck in the project and how did you manage it?
Ans. 
Yes, I faced a situation where I was stuck in a project and managed it effectively.
• I encountered a complex technical issue that was impacting the project timeline.

• I sought help from team members and conducted thorough research to find a solution.

• I communicated effectively with stakeholders about the issue and proposed a revised plan to address it.

• I prioritized tasks and delegated responsibilities to ensure smooth progr...read more
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Q2. What was the complex project you have worked on?
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Q1. Design patterns SQL questions Java questions
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Q1. OOAD questions SQL questions
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Q1. Behavioral and Values questions
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Q1. Coding questions- pseudocode
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Q2. Which languages have you used inWorkex?
Ans. 
I have used Java, Python, SQL, and JavaScript in my work experience.
• Java

• Python

• SQL

• JavaScript
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Q3. Any scripting language
Ans. 
Scripting languages are used to automate tasks and manipulate data in various software environments.
• Scripting languages are high-level programming languages designed for automating tasks.

• They are often used for tasks like system administration, web development, and data analysis.

• Examples of scripting languages include Python, JavaScript, and Bash.
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Q1. Verilog coding of various flip flops and fsm
Ans. 
Verilog coding of flip flops and FSM involves designing sequential circuits using Verilog HDL.
• Understand the functionality of different flip flops like D flip flop, JK flip flop, etc.

• Implement flip flops using Verilog syntax, specifying input and output ports.

• Design Finite State Machines (FSM) using Verilog, defining states, transitions, and outputs.

• Use Verilog constructs like always blocks, case statements, and state
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Q2. Basic electronics questions
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Q1. Why do you want to join Siemens?
Ans. 
I want to join Siemens because of its reputation for innovation and commitment to sustainability.
• Siemens is a global leader in technology and innovation

• I am impressed by Siemens' focus on sustainability and corporate social responsibility

• I believe working at Siemens will provide me with opportunities for professional growth and development
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Q1. PL/SQL and SQL advance level questions. Focus was on understanding of migration process.
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Q1. Discussion regarding how I handle team and migration process.
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Golang questions on threads

Q1. Design Uber App using AWS infra ?
Ans. 
Uber App can be designed using AWS infra by leveraging services like EC2, S3, Lambda, API Gateway, RDS, and DynamoDB.
• Use EC2 instances to host the backend services and databases.

• Store user data and media files in S3 buckets.

• Utilize Lambda functions for serverless computing and event-driven architecture.

• Expose APIs through API Gateway for communication between different components.

• Use RDS for relational database managem
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Q2. How you handled the difficult situation with customer ?
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Q1. Prepare for Javascript in details
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Q2. Prepare for NodeJs and architecture in depth
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