Technical Lead Engineer Interview Questions and Answers

As a Technical Lead Engineer, I lead the data analytics team and work on key metrics such as user engagement and revenue growth.

• Lead the data analytics team to develop and implement data-driven strategies

• Analyze user behavior and engagement to optimize product features

• Track revenue growth and identify opportunities for monetization

• Collaborate with cross-functional teams to drive business decisions based on data insights

The bse permission given for IAM role is the ability to perform actions related to the Basic Support Engineer role.

• The bse permission allows the IAM role to access and manage basic support functions.

• It grants permissions to perform actions such as creating and managing support cases, accessing basic support resources, and viewing basic support information.

• Examples of actions that can be performed with the bse permission include creating a new support case, updating case detai...read more

Singleton design pattern was used in the project.

• Singleton design pattern ensures that only one instance of a class is created and provides a global point of access to it.

• It is useful when there is a need for a single instance of a class that can be accessed globally.

• Example: In our project, we used the Singleton pattern to create a Logger class that maintains a single instance throughout the application.

AOP stands for Aspect Oriented Programming. Transient dependency is a dependency that exists only for a short period of time.

• AOP is a programming paradigm that aims to increase modularity by allowing the separation of cross-cutting concerns.

• It allows the developer to define aspects that can be applied to multiple parts of the codebase.

• Transient dependency is a dependency that is only needed for a short period of time, such as during initialization or setup.

• These dependencies ...read more

Tableau has various types of filters to refine data, including dimension, measure, context, and extract filters.

• Dimension filters allow users to filter data based on specific dimensions, such as date or region.

• Measure filters allow users to filter data based on specific measures, such as sales or profit.

• Context filters create a temporary table that filters data before other filters are applied.

• Extract filters allow users to filter data before it is extracted from the data sou...read more

Microservice design patterns are architectural patterns that help in designing and implementing microservices.

• Microservices are small, independent, and loosely coupled services that work together to form a larger application.

• Common microservice design patterns include the API Gateway pattern, the Service Registry pattern, and the Circuit Breaker pattern.

• The API Gateway pattern acts as a single entry point for clients to access multiple microservices.

• The Service Registry patte...read more