Saint-Gobain Python Software Developer Interview Questions and Answers

Q1. Why we use CAN in automotive?
Ans. 
CAN is used in automotive for reliable and real-time communication between electronic control units.
• CAN allows for communication between various electronic control units in a vehicle

• It is reliable and can handle real-time data transmission

• CAN is widely used in automotive for applications such as engine control, transmission control, and more
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Q2. What does a CAN frame look like ?
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A CAN frame is a data structure used in Controller Area Network (CAN) communication, consisting of an identifier, data, and control bits.
• A CAN frame typically consists of an 11-bit or 29-bit identifier, which helps prioritize messages on the bus.

• It also includes a data field, which can range from 0 to 8 bytes depending on the protocol version.

• Control bits like the start of frame, arbitration field, control field, data ...read more
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Q1. What is your current location? Are you able to commute to the office location?
Ans. 
I am currently located in downtown Seattle and I am able to commute to the office location.
• Located in downtown Seattle

• Able to commute to office location

• Have reliable transportation
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Q2. What is your expected salary?
Ans. 
My expected salary is based on my experience, skills, and the market rate for software developers.
• Consider my years of experience in software development.

• Take into account my specialized skills and certifications.

• Research the current market rate for software developers in this location.

• Be open to negotiation based on the overall compensation package offered.
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Q1. Basic algorithms concepts
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Q2. 4 oop concepts in detail
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4 key OOP concepts are 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 to be treated as instances of their parent class or their own class

• Abstraction: hiding the complex implementation details and showing ...read more
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Again just know coding concepts that’s what they care about

Verbal reasoning
Logical reasoning
Analytical thinking

Common titles like culture , agricuture

Q1. Just basics in java
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Q2. Advance oops concepts
Ans. 
Advanced OOP concepts include polymorphism, encapsulation, inheritance, and abstraction, enhancing code reusability and maintainability.
• Polymorphism: Allows methods to do different things based on the object it is acting upon. Example: Method overriding in subclasses.

• Encapsulation: Bundles data and methods that operate on the data within one unit (class), restricting access to some components. Example: Private variable...read more
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Q1. What do u know about our company
Ans. 
Company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products
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Q2. Strengths and waekness
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Q1. What is sparksession
Ans. 
SparkSession is the entry point for programming Spark with the Dataset and DataFrame API.
• It replaces the older SQLContext and HiveContext in Spark 2.0 and later.

• Allows users to create DataFrames and execute SQL queries.

• Example: `val spark = SparkSession.builder.appName("MyApp").getOrCreate()`.

• Supports reading data from various sources like JSON, Parquet, and JDBC.

• Example: `val df = spark.read.json("path/to/file.json")`...read more
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Q2. What spark architechture
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Apache Spark is a unified analytics engine for big data processing, with built-in modules for streaming, SQL, machine learning, and graph processing.
• Spark operates on a cluster computing model, allowing distributed data processing.

• It uses Resilient Distributed Datasets (RDDs) for fault tolerance and parallel processing.

• Spark provides high-level APIs in Java, Scala, Python, and R, making it accessible to various develop...read more
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Q1. About java and collections of java
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Q2. Related to Data structure and coding
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Q1. Autosar questions
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2 String matching on given string

Q1. What is optimizer s
Ans. 
An optimizer is a software tool or algorithm used to improve the performance of a system by minimizing errors or maximizing efficiency.
• Optimizers are commonly used in programming languages to improve code execution speed and reduce memory usage.

• Examples of optimizers include compiler optimizers, database query optimizers, and machine learning model optimizers.

• Optimizers work by analyzing code or data to identify ineffi...read more
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Q2. What is LsTM s
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LSTM stands for Long Short-Term Memory, a type of recurrent neural network (RNN) architecture.
• LSTM networks are designed to overcome the vanishing gradient problem in traditional RNNs.

• They are capable of learning long-term dependencies in data sequences.

• LSTM networks have gates (input, output, forget) that regulate the flow of information within the network.

• They are commonly used in tasks such as speech recognition, la...read more
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