Lean Software Development: A Complete Guide

Lean Software Development: A
Complete Guide
Introduction
If you select the correct software development methodology, you are more likely to
develop products or services quickly that improve efficiency and customer satisfaction.
One of the most widely-used software development methodologies for this is known as
Lean development methodology.
Lean software development is an innovative approach that eliminates wasted time and
optimizes the development process for faster product delivery.
Since its inception, this innovative methodology has grown in popularity for its ability to
streamline operations, enhance customer satisfaction and deliver high-quality software
as quickly as possible.
This post will introduce you to the Lean software development methodology. You will
learn what it is, its seven principles and practices, the benefits and drawbacks of lean
development, and finally, how you can implement the Lean methodology for your
software development project.

Without wasting any time, let's jump right in.
What Is Lean Software
Development?
Lean software development is an
approach that aims to reduce
development time, effort, and cost to
create a user-centric sustainable
software product. It was introduced by
Mary and Tom Poppendieck in their
book published in 2003.
The Lean principles were first coined by
Toyota, the Japanese automotive
manufacturing giant, in the 1940s to
describe its manufacturing process.
These principles aim to build feature and
functionality-rich products in less time,
money, and resources.
In simpler terms, Lean software
development decreases cost, effort, and
waste by speeding up the development
process and allowing the product to
release in the market quickly.
What Are The Seven Lean
Software Development
Principles?

There are seven principles of Lean software development that can be used to develop
software products to maximize customer satisfaction and minimize any waste in the
development process.
Let's discuss each principle in more detail.
Principle 1: Eliminate Waste
The first principle focuses on determining and removing waste from the software
development process. Here waste refers to things that do not add value to customers or
improve the quality of your product.
Following software development activities that are considered to be waste and must be
resolved quickly:
● Unnecessary code or software functionality
● Starting more tasks than can be completed
● Delay in the software development process
● Unclear and changing requirements
● Bureaucracy
● Inadequate communication
● Incomplete or partially done work
● Task switching and poor planning
● Code errors and quality issues

● Data replication
Principle 2: Build Quality In
Quality plays a critical role in Lean software development. By adding quality from the
beginning, one can address all issues before they occur to avoid excessive testing later
on. This can be done by implementing various practices such as automated testing,
code reviews, and continuous integration that identify and address defects early in the
development process.
Other tools and techniques that can be used in lean development include:
● Refactor - For clean and structured code.
● Pair Programming - To use the expertise of two developers for effective
solutions.
● Test-Driven Development - To write quality, error-free code.
● Incremental Development And Constant Feedback - Continuous reviews to
ensure product quality.
● Minimize Wait States - To minimize excess time consumption in writing and
testing code.
Principle 3: Create Knowledge
The third principle of Lean software development highlights the importance of
continuous learning and knowledge sharing among team members to enhance team
spirit and togetherness.
A culture of open communication and collaboration can be created by applying the
following tools:
● Code reviews
● Pair programming
● Documentation
● Thoroughly commented code
● Knowledge sharing sessions
● Training
Principle 4: Defer Commitment
This principle is all about delaying commitment and making more responsible decisions
after gathering sufficient information. This is because the main goal is to experiment

and learn more instead of committing to irreversible decisions that lead to costly
mistakes.
In addition to this, here, deferring commitment doesn’t mean that the team members can
be irresponsible in their work commitments.
Principle 5: Deliver Fast
Lean development is renowned for faster product launches. It saves a lot of time from
being wasted in long preparation, interim evaluations, and building complex systems
with unnecessary features by performing several tasks together.
It allows developers to break down work into smaller and more manageable tasks for
quick customer feedback response and continuous software improvement.
Principle 6: Respect for People
This principle supports team empowerment and encouragement to make decisions as
per their skills and understanding. Such an approach helps create a productive and
collaborative environment that encourages proactive team communication and constant
feedback.
Principle 7: Optimize the Whole
Lastly, this methodology is flexible enough to optimize various software development
processes, from communication to project management and quality code development.
It focuses on optimizing the entire software development process to identify and
address issues systematically to develop more reliable and sustainable software
products.
Advantages Of Lean Software
Development
If you're considering using the Lean software development method for your next project,
here are the main advantages your team will most likely experience:
1. Higher Efficiency:

The lean approach removes waste and focuses on value-added activities to deliver
software fast, which ultimately increases the development process efficiency, reduces
excess time consumption, lowers extra costs, and speeds up product launches.
2. Better Product Quality:
Lean development methodology improves product quality by implementing effective
practices, such as code review, automated product testing, and continuous integration.
This practice ensures there are fewer defects in the product and higher customer
satisfaction.
3. High Customer Satisfaction:
This innovative approach prioritizes customer satisfaction; hence, focuses on offering
incremental updates more frequently and allows the team to respond effectively to
customer feedback and improve software accordingly for better user experience and
increased customer satisfaction.
4. Collaborative:
It boosts learning and knowledge sharing to encourage team collaboration to avoid
bottlenecks and improve the decision-making process.
5. Flexibility:
Products developed using the Lean software development method are highly flexible to
change, which allows developers to make necessary tweaks to the product according to
continuous customer feedback.
Challenges Of Lean Software
Development
Like every other software development method, the Lean development methodology has
its challenges and limitations. Here are the main ones to consider:
1. Trained Team:

To implement a lean approach, you must have a highly skilled and trained team that can
work and communicate together so that the software development efforts don’t suffer.
2. Missing Metrics:
The key challenge faced in Lean software development is improper or wrong software
metrics measurement. The team should be able to properly identify and measure waste.
3. No Boundaries:
The lean approach doesn’t set any boundaries for requirements and change. Hence,
continuous or too many changes and requirements can create high complexity and
create difficulty to launch quality software.
How To Implement Lean
Development Methodology?
Five steps to implement Lean software development methodology:
Step 1: Identify Value
Specify customer value and expectations from the end product.
Step 2: Map The Value Stream
The mapping process involves defining the current and future state of the project as well
as unnecessary waste to create tasks for addressing the problem.
Step 3: Create A Flow
To improve process efficiency, design the value stream flow outlining the further process
steps and removing unnecessary steps to avoid any stoppage.
Step 4: Establish Pull
This step involves prioritizing and assigning tasks to developers in the right order so that
the urgent tasks are finished first.

Step 5: Seek Perfection
Last but not least, strive towards perfection by constant improvement based on the
customer's needs.
Final Thoughts On Lean Software
Development
Lean software development is about reducing waste and launching products to market
quickly and cheaply while developing products that meet both users’ needs and business
goals.
Now that you know about the lean development methodology, its benefits, limitations,
principle, and steps to implement, it’s a good time to implement it for your project.
If you want to leverage this effective method for your software development project, you
can connect with Polyxer Systems.
Our team of expert developers has the necessary expertise and experience to deploy the
Lean approach. Being a leading software development company, we can help you
develop the best software product that caters to your business needs and enhances
customer satisfaction.
Ready to build an effective software product? → Let's talk.
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