Sigma Engineered Solutions Senior Engineer Interview Questions and Answers

Q1. Technical team will schedule a call and discuss about our role and responsibility.
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Q1. Based on your role
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Ai interview backend microservices core java

Q1. Microservice architecture spring boot
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Q2. Rest api implementation and communication
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Q1. What is spring boot
Ans. 
Spring Boot is a Java-based framework used for creating standalone, production-grade Spring-based applications.
• Spring Boot simplifies the process of creating Spring applications by providing a set of default configurations.

• It allows for easy setup of Spring projects with minimal configuration.

• Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy applications.

• It provides product...read more
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Q2. What is serialisation
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Serialisation is the process of converting an object into a stream of bytes to store or transmit data.
• Serialisation is used to save the state of an object and recreate it when needed.

• It allows objects to be converted into a format that can be easily stored or transmitted.

• Common examples include JSON, XML, and binary serialisation.

• Serialisation is important for data persistence and inter-process communication.
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Q1. Binary search using Java 8
Ans. 
Binary search is a fast search algorithm that finds the position of a target value within a sorted array.
• Ensure the array is sorted before performing binary search.

• Compare the target value with the middle element of the array.

• If the target value is less than the middle element, search the left half of the array. If greater, search the right half.

• Repeat the process until the target value is found or the subarray is empt
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Q2. Merge sort and it's implementation
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Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them, and then merges them back together.
• Divide the array into two halves recursively

• Sort each half separately

• Merge the sorted halves back together
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Q1. Tell me about your self?
Ans. 
Experienced Senior Engineer with a strong background in software development and project management.
• Over 10 years of experience in software engineering

• Proficient in multiple programming languages such as Java, Python, and C++

• Led successful projects from conception to completion, delivering high-quality solutions on time and within budget

• Strong problem-solving skills and ability to work well in a team environment
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Q2. Explain about your roles and responsibilities in your current project?
Ans. 
I am responsible for designing, implementing, and testing new features in the project.
• Designing new features based on requirements provided by stakeholders

• Implementing the designed features using appropriate technologies and best practices

• Testing the implemented features to ensure they meet quality standards

• Collaborating with team members to troubleshoot and resolve technical issues

• Participating in code reviews and pro
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Q1. What is your expected salary?
Ans. 
My expected salary is based on my experience, skills, and the market rate for Senior Engineers.
• Consider my years of experience in the field

• Take into account my specialized skills and certifications

• Research the current market rate for Senior Engineers in this location

• Open to negotiation based on benefits package offered
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Q2. How soon you can join?
Ans. 
I can join within 2 weeks of receiving an offer.
• I can start within 2 weeks of receiving an offer.

• My current notice period is 2 weeks.

• I am available to start immediately.
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Hackerrank coding & techinical interview test

Q1. What are the difficulties faced during the layout ?
Ans. 
Difficulties faced during layout include space constraints, equipment compatibility, and regulatory compliance.
• Space constraints can limit the placement of equipment and affect workflow.

• Ensuring equipment compatibility can be challenging when integrating new technologies with existing systems.

• Meeting regulatory compliance standards adds complexity to the layout design process.
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Q2. How to prevent the latch up in the actual layout?
Ans. 
Prevent latch up in layout by using guard rings, spacing between devices, and proper substrate connections.
• Use guard rings around sensitive nodes to prevent latch up.

• Ensure proper spacing between devices to avoid parasitic currents.

• Connect substrate properly to prevent latch up.

• Use well-taps to tie substrate to the most negative voltage in the circuit.

• Avoid high substrate resistances that can lead to latch up.
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