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CSE

Modified on

06 Mar 2023 07:45 pm

Top 10 Software Developer Interview Questions and Answers

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Skill-Lync

Software development is the most sought-after and highly rewarded skill. According to the BLS report, the jobs for software developers are growing at a rate of 25%, which is faster than the average.

The most frequently asked software development life cycle interview questions will be covered in this post.

software developer interview questions
 

  • What is SDLC or Software Development life cycle? 

A well-defined process for creating high-quality, inexpensive software as quickly as feasible is the Software Development Life Cycle (SDLC). The goal of the SDLC is to develop great software that surpasses all expectations and specifications from potential clients. The SDLC creates and specifies a comprehensive plan with stages or cycles, each with its procedure and outputs. It covers every step in creating a software product, including the planning, creation, testing, and distribution phases. 

  • Name the benefits of the SDLC process. 

A formal review is developed after each stage to provide the highest level of management control. Using the SDLC, thorough system documentation may be created. This ensures that system requirements can be connected to specific corporate objectives. It produces a lot of intermediate goods, many of which can be tested to see if they meet user needs and industry standards. These can be further enhanced if required, ensuring the business gets its needs precisely.

Most Common Software Development Interview Questions for both Experienced & Fresher Candidates

The most frequently asked manager round interview questions for software developers are in this section. 

  • Software Configuration Management: What is it? 

The practice of monitoring and regulating changes during the software development lifecycle is known as software configuration management. Any modification made when developing software must be tracked using a precise and organised approach.

Through a clearly defined process, configuration management makes sure that any modifications made during software development are under control. 

  • What is the main difference between a computer program and computer software? 

A computer programme is a collection of instructions automatically carried out on a computer or other computing device. In fact, computer software facilitates the automatic execution of tasks involving various computations, such as logical or arithmetic operations.

Software is a collection of instructions designed to be understood by a machine and carry out various functions on a computer device (e. g. Dashlane for passwords, Factomos for invoicing, Wetransfer for file transfer, etc.). Software is consequently a tool that helps users complete tasks they want to complete on their computers.  

  • What is modularization? 

The idea of modularization is utilised to lessen a system's complexity. This system is broken down into more or less autonomous pieces (or "modules"), such as business processes, organisational structures, and IT applications. The system as a whole can only operate as an integrated framework, but the modules should be able to exist separately from one another.

Software Developer Interview 

  • What is verification and validation in software testing? 

Verification in software testing is the process of examining documentation, designs, programmes, and codes to determine whether or not the software has been developed in accordance with the requirements. Assuring the quality of software applications, designs, architecture, etc. is the primary objective of the verification process. Reviewing, walking through, and inspecting are some of the tasks included in the verification process.

In software engineering, validation is a dynamic technique for determining whether or not the software product genuinely satisfies the customer's particular requirements. The procedure aids in making sure that the software serves the intended purpose in the proper setting. Unit testing, integration testing, system testing, and user acceptability testing are all part of the validation process. 

  • What are function points in software engineering? 

A function point (FP) is a part of software development that aids in estimating the price of development at an early stage. In order to determine the size and scope of a piece of software once it is finished, it is a method that identifies the necessary functions and their complexity.

It aids in figuring out a software application's commercial functioning as well. A function point offers a variety of advantages, including increased productivity and a decreased chance of code inflation. Before the actual lines of code can be established, function points can be estimated from a software's needs during the early stages of development. 

  • Clarify the concepts of black box and white box testing. 

Testing an application "black box" is done without knowing how its code or internal organisation is put together. In "black box" testing, testers focus on the software's functionality, disregarding data flow and back-end code execution.

White box testing involves testing an application while being aware of the internal organisation and implementation of the code. The developer who wrote the code typically does this testing in unit tests. 

  • What distinguishes quality assurance from quality control? 

Quality assurance aims to eliminate possible errors in the design in the provided software. Quality control is the procedure used to guarantee that a product meets all the functionality requirements.

The testing team of the project does quality assurance, whereas quality control is typically performed by a dedicated support team, which is in charge of maintaining the product's quality even when it is in the maintenance stage of software engineering. 

  • What advantages does the incremental model offer? 

The incremental model offers the following advantages: 

  • It can deliver iterations more quickly, even in the initial iteration.
  • Development occurs concurrently with one another.
  • By employing this strategy, we can lower the initial delivery price.
  • At each step, the user or customer can offer feedback, helping to prevent unanticipated changes in the need.
  • The management of risks can be done on a module-by-module basis. 
  • What are POC and software prototyping? 

Organisations utilise the POC (Proof of Concept) method to assess the viability of ideas and concepts. The stage exists before the software development process gets underway. A micro project is constructed based on technical capacity and business strategy to determine whether a notion can be implemented. 

A software prototype is a model with minimal features. The prototype is an additional effort that needs to be considered in the calculation because it may or may not contain the exact logic utilised in the finished software program. 

Prototyping allows users to examine and test developer recommendations before they are implemented. Additionally, it aids in understanding user-specific characteristics that the product developer may have overlooked. 

  • What are the spiral model's shortcomings? 

With a focus on risk analysis, the spiral model combines the iterative development process and the waterfall paradigm. The development process in the SDLC Spiral model starts with a small set of requirements and moves through each development phase.

The limitations of the spiral model are

  • It's a lot more difficult to understand than other SDLC models. The process is difficult.
  • For modest projects, it is not advised due to its high cost.
  • Risk analysis requires a high level of competence and is excessively dependent.
  • Time estimate is difficult.

Conclusion

We discussed software developer interview questions and answers that can help you succeed. The pertinent software developer interview questions above can only serve as a general outline.

To learn more about software development, enroll and get access to our course materials. Through our PG program for computer science engineers, we hone your technical skills and provide placement training to help you ace your next technical interview.


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Anup KumarH S


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