What is Agile Software Development?​

What is Agile Software Development?​

Agile Software Development is an iterative and flexible approach to software development that prioritizes collaboration, adaptability, and customer feedback. It stands in contrast to traditional, linear methods of development and is particularly well-suited for projects where requirements may change or evolve over time.

Agile is a software development methodology to build a software incrementally using short iterations of 1 to 4 weeks so that the development is aligned with the changing business needs.


In February 2001, at the Snowbird Resort in Utah, 17 software developers met to discuss lightweight development methods. The outcome of their meeting was the following Agile Manifesto for software development −

We are uncovering better ways of developing software by doing it and helping others do it. Through this work, we have come to value −

  • Individuals and interactions over Processes and tools
  • Working software over Comprehensive documentation
  • Customer collaboration over Contract negotiation
  • Responding to change over Following a plan

That is, while there is value in the items on the right, we value the items on the left more.

Who is involved?

In agile development, the following members are involved;

Scrum Master

  • The Scrum Master plays a pivotal role in Agile development, serving as a facilitator and coach for the Agile delivery team. Their primary responsibility is to ensure that the team follows the Agile processes and principles.
  • The Scrum Master helps remove obstacles and impediments that may hinder the team’s progress, enabling them to work more effectively and efficiently. They act as a shield against external distractions and disruptions.
  • Additionally, the Scrum Master promotes a culture of continuous improvement, guiding the team to enhance their processes and productivity. They organize and lead Scrum events, such as daily stand-up meetings, sprint planning, and retrospectives.

Product Owner

  • The Product Owner represents the voice of the customer and is responsible for defining and prioritizing the items in the product backlog. They have a deep understanding of customer needs and business goals.
  • The Product Owner plays a crucial role in ensuring that the Agile team delivers value to the customer. They make decisions regarding what features or user stories should be developed in each iteration.
  • Collaboration with stakeholders and end-users is a key aspect of the Product Owner’s role. They work closely with the development team to provide clear and detailed requirements, answer questions, and validate completed work.

Agile Team

  • The Agile Team, also known as the Agile delivery team, comprises the developers, testers, designers, and any other specialists needed to deliver the product. This team is responsible for executing the work defined in the user stories or product backlog items.
  • Agile Team members work collaboratively to design, build, test, and deliver functional increments of the product during each iteration. They may also assess technical feasibilities and dependencies, helping to ensure that the work is both achievable and aligned with the Agile goals.
  • Self-organization and cross-functional capabilities are highly valued within the Agile Team. Team members often have a high degree of autonomy in determining how to complete their work.


  • Stakeholders in Agile software development encompass a wide range of individuals, including customers, program managers, subject matter experts, and other roles with an interest in the project’s outcome.
  • While not part of the Agile Team, stakeholders play a vital role as advisers and decision-makers, particularly during release planning and in setting the overall project direction.
  • Stakeholders provide valuable input, offer insights, and offer feedback on the product’s development, helping ensure it aligns with business objectives and user needs. Effective communication with stakeholders is crucial for the success of Agile projects.

These roles and individuals work collaboratively within the Agile framework to deliver high-quality software that meets customer needs and adapts to changing requirements. Effective communication and collaboration among all involved parties are fundamental to the success of Agile software development projects.

Core Principles of Agile

The following are the core principles of agile software development

Customer Satisfaction

  • Definition: Agile prioritizes delivering value to customers through frequent and incremental releases of working software.
  • Example: Regular updates to a mobile app address user requests and preferences, enhancing customer satisfaction.

Welcome Change

  • Definition: Agile embraces evolving requirements throughout the project to better meet customer needs.
  • Example: Adjusting a website’s design and layout based on emerging user preferences and feedback.

Deliver a Working Software

  • Definition: Agile emphasizes producing functional, shippable software increments in short time frames.
  • Example: Releasing a functional prototype of a video game for user testing within two weeks.


  • Definition: Agile encourages open communication and close collaboration among project stakeholders.
  • Example: Daily meetings involving product owners, developers, and end-users prioritize features and address issues.


  • Definition: Agile thrives when motivated team members have autonomy and a supportive work environment.
  • Example: Empowering development teams to make decisions about how to implement specific features.

Face-to-face Conversation

  • Definition: Agile values direct, in-person communication to reduce misunderstandings and promote faster decision-making.
  • Example: In-person discussions during sprint planning meetings ensure alignment between development teams and stakeholders.

Measure the Progress as per the Working Software

  • Definition: Agile measures progress primarily by creating functional software.
  • Example: A project’s advancement is tracked based on completed features and functionality delivered to customers.

Maintain Constant Pace

  • Definition: Agile seeks to balance workloads to prevent burnout and maintain long-term productivity.
  • Example: Avoiding excessive overtime ensures a consistent, sustainable work pace for the team.


  • Definition: Agile promotes continuous monitoring of progress, quality, and adherence to practices.
  • Example: Regularly reviewing code quality and process adherence to maintain high software standards.


  • Definition: Agile encourages simple design and development, focusing on valuable features.
  • Example: Prioritizing key functionalities in a web application to avoid unnecessary complexity.

Self-organized Teams

  • Definition: Agile emphasizes that teams should have the autonomy to make decisions and organize their work.
  • Example: Development teams plan their tasks and collaborate to determine the best approach for implementing features.

Review the Work Regularly

  • Definition: Agile calls for frequent reviews to identify areas for improvement and make necessary adjustments.
  • Example: Conducting regular retrospectives to assess the team’s performance and refine development processes.

Key benefits of the agile process model

The Agile process model offers several key benefits that make it a popular choice for software development:

Adaptability to Change

Agile allows teams to easily accommodate changing requirements, even late in the development process. This flexibility enables projects to stay aligned with evolving customer needs and market dynamics.

Customer-Centric Approach

Agile places a strong focus on delivering value to customers through frequent, incremental releases. It involves customers in the development process, ensuring their feedback and needs are prioritized.

Frequent Deliveries of Working Software

Agile emphasizes delivering functional increments of software at regular intervals. This results in early and continuous value delivery, allowing stakeholders to see and use the product as it evolves.

Improved Collaboration

Agile promotes close collaboration between development teams, product owners, stakeholders, and end-users. Frequent communication and transparency are encouraged, fostering a better understanding of project goals.

Empowered and Motivated Teams

Agile principles empower self-organized teams to make decisions and take ownership of their work. This autonomy and support create a motivated and innovative work environment.

Simplified Processes

Agile encourages a focus on essential features and practices, avoiding unnecessary complexity. This simplification speeds up development and reduces waste.

Faster Time to Market

Agile’s iterative approach often results in quicker development cycles and earlier product releases. This can give organizations a competitive edge by bringing products to market faster.

Enhanced Quality

Agile’s emphasis on continuous improvement, testing, and frequent reviews contributes to higher software quality. Quality assurance is integrated throughout the development process.

Early Issue Identification

Agile practices, such as daily stand-up meetings and regular retrospectives, help identify and address issues early in the development cycle, reducing the cost and impact of potential problems.

Transparent Progress Tracking

Agile relies on visible, working software as the primary measure of progress. This transparency enables teams and stakeholders to track project advancement and make informed decisions.

Increased Stakeholder Involvement

Agile encourages the active participation of stakeholders, such as customers and end-users, in shaping the product’s development. This leads to a better understanding of their needs and expectations.

Better Risk Management

Agile’s iterative approach allows for the continuous identification and mitigation of project risks. Early and frequent testing helps uncover issues sooner.

These benefits collectively contribute to Agile’s effectiveness in delivering high-quality software that meets customer expectations, adapts to changes, and maintains a strong focus on value and collaboration.

Self Assessment

  • What is agile software development?
  • Who is involved in agile software development?
  • What are the key principles of agile software development?
  • List down the benefits of agile software development.

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