Principles of Lean Software Development

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PRINCIPLES OF LEAN SOFTWARE DEVELOPMENT
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Eliminate Waste from Software Concept to
Completion

• The first principle in the list urges you to get
  rid of anything that doesnt help you achieve
  your goal. It means that waste should be
  eliminated at all stages of software development,
  from the concept stage to the completion stage.
• One way to eliminate waste is by detecting and
  fixing defects as soon as possible. Doing this
  will help reduce the number of flaws that make it
  to the testing stage.
• For example, there is a stage called the
  concept phase in software development. During
  this part of development, the project manager
  will describe what needs to be done for their
  client to achieve his desired result and how it
  will get completed.
• If you have a customer who wants something that
  you cant achieve with your current
  technology/tools or if theyre requesting to
  build something that is not within your scope,
  you should point out such defects as soon as
  possible.

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Amplify Learning by Avoiding Building the Wrong
Features

• Most software projects fail because of poor
  requirements gathering and planning. To avoid
  this problem, use an agile approach to create a
  working system quickly, which allows for feedback
  and learning.
• To achieve this, you need to ensure the features
  you build are the ones your customers want. You
  can get feedback from them as soon as possible.
  Its also essential to have a good understanding
  of who your customers are and what they want. It
  will help reduce the chances of building the
  wrong features.
• For example- A common problem in software
  development is when developers build features
  that the customer never asked. It is usually a
  result of poor requirements gathering and
  planning.
• To avoid this, you should always get feedback
  from your customers as soon as possible and
  ensure that you have a good understanding of who
  they are and what they want.

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Decide As Late as Possible to Remove Maximum
Uncertainty

• In this principle, you should aim at removing any
  remaining uncertainties about the outcome of a
  project. You can do this by delaying decisions
  until its needed and when there is no other
  choice but to decide because time has run out.
• It also includes delayed architectural design
  decisions to allow for feedback-driven design.
• For example, in software product development, you
  often have to decide before having all the
  information. It can lead to uncertainty about the
  projects outcome and could cause it to fail.
• You should delay making decisions when you can
  and make decisions as late as possible. It will
  allow for more feedback, which will help you
  reduce the chances of building something that
  doesnt meet your customers needs.

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Deliver As Fast As Possible

• This principle urges you to deliver working
  software as soon as possible. It means that you
  should avoid waiting until the project gets
  completed before releasing it to your customers.
• The idea behind this principle is that its
  better to release a product thats not perfect
  but can be improved over time than never to
  release it at all.
• For example, the traditional way of software
  development is to wait until the project is
  completed before releasing it to your customers.
  It often leads to products that are not perfect
  and need improvement over time.
• And the agile approach recommends that you
  release a product thats not perfect, but you can
  improve it over time. It allows for feedback from
  your customers and improves your product based on
  their feedback.

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Empower The Software Development Team

• You should always give your software development
  team the authority and freedom they need to be
  successful. It includes providing the resources
  they need and making decisions without
  interference from management.
• This principle aims for the developers to feel
  like they are in control of their work and make
  decisions that will help them succeed.
• For example- In traditional software development,
  the developers are often given a lot of
  restrictions by management. It can lead to
  frustration and a lack of control over their
  work.
• And in agile software development, the developers
  are given more authority over their work, and
  they can make decisions without interference from
  management.
• It allows for a better working environment where
  the developer controls their work. It leads to
  high morale among developers, which will help
  them produce better quality code and be more
  committed to the project.

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Build Quality Software Code

• Software developers should always build quality
  software code. It means that they should take the
  time to write clean, organized, and well-tested
  code.
• This principle aims to create a system that can
  last over time and other developers can improve
  in the future.
• For example, in traditional software development,
  the focus is often on meeting deadlines and not
  creating quality code. It often leads to software
  that is difficult to maintain and update. Try to
  avoid this, if possible.
• In contrast, in agile software development, the
  focus is on creating quality code from the
  beginning. It allows for a reliable and easy
  system to maintain over time.
• You can achieve this by using best practices such
  as code reviews, unit testing, and automated
  testing. These will help you produce code of high
  quality and easy to maintain.

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Optimize The Whole Software Development Process

• At its heart, lean software development is about
  optimizing the entire software development
  process. It includes optimizing your workflow,
  tools, communication methods, and anything else
  that can improve.
• To achieve this goal, you have to constantly
  analyze and improve your process. It would be
  best to experiment with new ideas and approaches
  to find the best work method.
• For example- One way to optimize your software
  development process is to improve your
  communication methods. It includes using tools
  like Slack or Hipchat to communicate with your
  team.
• Another way to optimize your process is to use
  better tools and workflows. You can try using a
  tool like Jira to help manage your projects.
• The key is to be trying new things and improving
  your process constantly. It will help you create
  better quality software more efficiently.

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THANK YOU
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