Align Technology Associate Software Developer Interview Questions, Process, and Tips

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Q1. What is static keyword with example
Ans. 
The static keyword in programming is used to declare variables, methods, or classes that belong to the class itself rather than instances of the class.
• Static variables are shared among all instances of a class

• Static methods can be called without creating an instance of the class

• Static classes cannot be instantiated and are used for grouping related methods together
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Q2. What is inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access public and protected members of the base class

• Example: Class Car can inherit from class Vehicle to reuse co
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Q3. What is method overloading and method overriding
Ans. 
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is redefining a method in a subclass with the same name and parameters as in the superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding occurs in a subclass when a method has the same name and parameters as in its supe...read more
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Q1. Tell me about yourself,
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Q2. What are the projects have done
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Q1. Tell me your self
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Basic aptitude test with 10 questions of maths and 10 questions of English and 10 questions of reasoning.

Q1. Explain mvvm architecture
Ans. 
MVVM is an architectural pattern used in software development that separates the user interface from the business logic.
• Model represents the data and business logic

• View displays the data and interacts with the user

• ViewModel acts as a mediator between the Model and View, handling user input and updating the Model
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Q2. Discuss about design patterns
Ans. 
Design patterns are reusable solutions to common problems in software design.
• Design patterns help in creating flexible, maintainable, and scalable software.

• Examples of design patterns include Singleton, Factory, Observer, and Strategy.

• Design patterns are categorized into three groups: creational, structural, and behavioral patterns.
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Q1. Benefits of swift programming
Ans. 
Swift programming offers fast performance, safety, and interoperability with Objective-C.
• Fast performance due to being compiled language

• Safety features like optionals and type interference

• Interoperability with Objective-C for using existing code and libraries
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Q2. How to post data to server using url session
Ans. 
Use URLSession to post data to a server
• Create a URL request with the server URL

• Set the request method to POST

• Add the data to the request body using Data or JSONSerialization

• Create a URLSessionDataTask with the request and resume it
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Q1. Relayed to salary negociation
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Q1. What is Apex?
Ans. 
Apex is a strongly typed, object-oriented programming language used for Salesforce development.
• Apex is similar to Java, with a syntax that is easy to understand for Java developers.

• It is used to write custom business logic and automate processes in Salesforce applications.

• Apex runs on the Salesforce servers, ensuring efficient execution and scalability.

• Developers can create triggers, classes, and web services using Ape...read more
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Q2. What are the main functionalities of artificial intelligence (AI)?
Ans. 
AI enables machines to perform tasks that typically require human intelligence, enhancing efficiency and decision-making.
• Machine Learning: Algorithms that improve through experience, like recommendation systems on Netflix.

• Natural Language Processing: Understanding and generating human language, as seen in chatbots like Siri or Alexa.

• Computer Vision: Analyzing and interpreting visual data, used in facial recognition sys...read more
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Q3. What is Guardrails?
Ans. 
Guardrails are safety measures or guidelines that help ensure systems operate within defined parameters.
• Guardrails provide boundaries for acceptable behavior in software development.

• They help prevent errors by enforcing coding standards and best practices.

• For example, in CI/CD pipelines, guardrails can prevent deployments to production without passing tests.

• In API development, guardrails can limit the types of requests
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Q1. Basic ios Questions No DS questions
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Q2. Basic swift quesions
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Q3. In App Purchase
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Q4. Hardware Device connectivity
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Q1. Communication and behavioral skills
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Q2. Introduction, Skill set, Relevant experience
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Q1. AWS - EC2, Lambda, VPC, Route53, Cognito, Cloudwatch, Kinesis, API Gateway
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Q2. ITIL - problem management, recently handled outages. SLA vs SLO. KPIs
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Q1. DevOps - SDLC explanation, Apache Tomcat, Linux Administration, Docker and Shell scripting
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Q2. Git, Python, Monitoring tools
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Q1. Salary expectations and other benefits discussion
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Q1. Salary Negotiation and salary structure explanation
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