Baker Hughes Senior Software Engineer Interview Questions, Process, and Tips

Hackerrank coding test

Q1. Questions related to Nodejs and reactjs and system design
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Q1. This is more related to behaviour round with hiring manager.
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Q1. Related to salary expectation
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Interviewer asked to create a case study on the current project and mention all the technologies involved

Q1. Implement Immutable class
Ans. 
Immutable class is a class whose state cannot be modified after creation.
• Use final keyword to make class immutable

• Make all fields private and final

• Do not provide setter methods

• If mutable objects are used, return a copy instead of original object
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Q2. Solid principles, questions followed by each principle with good and bad examples
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Q1. What is SAP? What is use of MM in SAP
Ans. 
SAP is a software company that provides enterprise resource planning (ERP) software to manage business operations.
• SAP stands for Systems, Applications, and Products in Data Processing

• SAP's ERP software helps businesses manage their operations, including finance, logistics, and human resources

• MM (Materials Management) is a module in SAP that helps manage procurement and inventory functions

• MM helps businesses streamline ...read more
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Q2. P2P process for procurement
Ans. 
P2P process for procurement involves direct transactions between buyers and suppliers without intermediaries.
• P2P stands for 'Procure-to-Pay'

• It is a streamlined process that eliminates the need for intermediaries

• Buyers and suppliers can directly communicate and negotiate terms

• Examples include online marketplaces like Amazon Business and Alibaba
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Q3. Define MM-FI integration.
Ans. 
MM-FI integration is the integration between Materials Management and Financial Accounting modules in SAP ERP system.
• MM-FI integration ensures that all financial transactions related to materials management are properly recorded in the financial accounting module.

• It involves the transfer of data from MM to FI, such as purchase orders, goods receipts, and invoice verification.

• The integration also allows for the automati...read more
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Q4. How to configure Enterprise structure
Ans. 
Enterprise structure can be configured by defining organizational units, assigning responsibilities, and setting up reporting structures.
• Define organizational units based on business requirements

• Assign responsibilities to each unit

• Set up reporting structures to ensure effective communication and decision-making

• Ensure proper authorization and access control

• Regularly review and update the enterprise structure to adapt to
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Q5. PO release strategy?
Ans. 
PO release strategy refers to the process of releasing purchase orders for procurement.
• PO release can be based on approval hierarchy

• PO release can be based on budget availability

• PO release can be based on vendor performance

• PO release can be automated using workflow tools
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Q1. What are deecorators in Python
Ans. 
Decorators in Python are functions that modify the behavior of other functions or methods.
• Decorators are denoted by the @ symbol followed by the decorator function name.

• They are commonly used for logging, authentication, and memoization.

• Example: @staticmethod, @classmethod, @property
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Q2. If the object is defined with "const" keyword, then in future can it be modified?
Ans. 
No, if an object is defined with 'const' keyword, it cannot be modified in the future.
• Objects defined with 'const' keyword are read-only and cannot be reassigned.

• Properties of a 'const' object can still be modified, but the object itself cannot be reassigned.

• Example: const obj = { key: 'value' }; obj.key = 'new value'; // Valid, but obj = { newKey: 'newValue' }; // Invalid
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30 technical questions

Q1. Technical process
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Q2. What are oops concept
Ans. 
Object-oriented programming concepts that focus on objects and classes.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
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Q1. Oops questions Database SQL Logic building along with case study
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Analysis , graph , dp , recursion

Array, string, graph

SQL query and Dynamic Programming problem.
Math games

Q1. Introduction and project details
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