Xactly Corp Senior Software Engineer Interview Questions and Answers

Data Structure related questions

Q1. Java related interview questions
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Q1. About company values
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Q1. UML class diagram
Ans. 
UML class diagram is a visual representation of classes, attributes, methods, and relationships in a system.
• Classes are represented as boxes with three compartments for class name, attributes, and methods.

• Attributes are listed in the second compartment with their data types.

• Methods are listed in the third compartment with their parameters and return types.

• Relationships between classes are shown using lines with arrows ...read more
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Competency based questions

Questions on string and some java concepts were asked

Q1. Craft round is regarding the project given to you , derailed design discussion over the project done by you
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Q1. Map based basically have to apply the sorting for map values
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Html, js and css concepts

Binary search related questions

Q1. Projects handled at the current organisation
Ans. 
Developed and maintained multiple web applications for internal use
• Led a team in redesigning the company's main website to improve user experience

• Implemented new features and functionalities based on user feedback

• Optimized existing codebase to improve performance and scalability

• Integrated third-party APIs to enhance application capabilities
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Q2. How to figure errors before customers report it
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Implement automated monitoring and logging to proactively detect errors before customers report them.
• Set up automated monitoring tools to track system performance and detect anomalies

• Implement logging mechanisms to capture errors and exceptions in real-time

• Utilize error tracking software to aggregate and analyze error data

• Establish alerts and notifications for critical errors to prompt immediate action

• Regularly review ...read more
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Problem solving questions

Check whether linked list is palindrome or not

Q1. Implement rate limiter
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Q2. Implementation of LRU cache
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LRU cache is a data structure that stores the most recently used items, discarding the least recently used items when full.
• Use a doubly linked list to keep track of the order of items based on their usage.

• Use a hash map to quickly access items in the cache.

• When a new item is accessed, move it to the front of the linked list. If the cache is full, remove the item at the end of the list.
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Q1. How to build low latency systems
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To build low latency systems, focus on optimizing code, reducing network latency, using efficient data structures, and leveraging caching.
• Optimize code by reducing unnecessary computations and improving algorithms

• Reduce network latency by minimizing round trips and using efficient protocols like UDP

• Use efficient data structures like arrays and hash maps for quick access to data

• Leverage caching to store frequently acces
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Q2. How to measure and ensure to not breach SLA
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To measure and ensure not breaching SLA, track performance metrics, set alerts, prioritize tasks, and regularly review and adjust processes.
• Track performance metrics such as response time, uptime, and error rates

• Set up alerts for when performance metrics approach SLA thresholds

• Prioritize tasks based on their impact on SLA compliance

• Regularly review and adjust processes to optimize performance and prevent breaches
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