Methodologies Of Software Development
Methodologies of Software Development

Methodologies of Software Development

Using Agile - Scrum - DevOps - Lean - Prototype methodologies in the process of pursuing projects, building complete software, Saigon Technology has achieved many successes during nearly 10 years in its IT industry. The success of Saigon Technology today - being honored in the list of top software outsourcing companies in Vietnam, is partly due to the dedication of the talented young staff.

methodologies-software-development

With the number of software engineers up to 300+ in two branches Ho Chi Minh City and Da Nang City, we vary our specialties with the ability to fluently use many programming languages, work models based on requirements of each client. In which, Agile - Scrum - DevOps - Lean - Prototype are the methodologies/frameworks that we still regularly apply throughout our working process.

And to better understand these Methodologies of Software Development, explore the following content items:

methodologies-agile
Agile
methodologies-scrum
Scrum
methodologies-devops
DevOps
methodologies-lean
Lean
methodologies-prototype
Prototype
Agile

AGILE

Flexible to adjust – Clients involved – Quick to operate

Agile methodology occupies a certain position in the software development process because it has the ability to turn the vision of business needs into effective software solutions and software products. As a term used to describe software development approaches, Agile methodology applies the spirit of curiosity, approach, flexible planning, team collaboration, evolutionary development, and analysis.

Saigon Technology uses Agile methodology for service-oriented projects, code products or design as a company standard method. We recognize the importance of customer communication and intervention throughout the project process so that we can flexibly change plans to suit the situation - especially when features are not available and the function is not complete yet, to make it easy to edit.

Some brief principles of Agile methodology are written as follows:

Individual and group interactions
Encourage self-organization and motivation, as well as interactions such as co-location and pair programming.
In Agile, we don't rely too much on documentation alone. We use software that acts as the best way to communicate with customers to capture their requirements.
Because demands cannot be fully obtained at the start of the project owing to a variety of circumstances, ongoing customer engagement is critical to obtaining accurate product requirements.
Agile Development focuses on rapid change reactions and ongoing development, not just focusing on documentation.
Scrum

SCRUM

Honoring priority – High collaboration ability – Repetition

Scrum is an agile development methodology that focuses specifically on managing team tasks in a development environment. Scrum is derived from the activity that occurs during a rugby match, focusing on solidarity and understanding among team members. Actually, Scrum is not a methodology, it's a framework created to solve complex problems quickly and efficiently, to promote production efficiency and ability to reach out software solutions. Creative soft.

Scrum is a framework for facilitating teamwork. Scrum encourages learning among team members; from working experiences, observable points, impossible points... In order to be able to see their successes or failures, to be able to draw valuable lessons, since then continuously use the experience of continuous improvement, like a brave rugby team.

Although the IT world has always known Scrum and used it very often, not only in IT, this framework can also be applied in many other industries, for any type of work… One of the reasons why Scrum is so popular, partly because the team that applies Scrum is forced to meet and exchange information with each other continuously, often based on a meeting schedule almost every day, which entails tools and responsibilities for doing the work. work together to help teams easily structure and manage their work.

With Scrum, an ideal team is usually small (about 7-10 members). The three prerequisite roles and responsibilities of Scrum are as follows:

Scrum Master
Encourage self-organization and motivation, as well as interactions such as co-location and pair programming.
In Agile, we don't rely too much on documentation alone. We use software that acts as the best way to communicate with customers to capture their requirements.
Because demands cannot be fully obtained at the start of the project owing to a variety of circumstances, ongoing customer engagement is critical to obtaining accurate product requirements.
Scrum

DEVOPS

Cooperation - Transparency - Automation

DevOps is a software development technique that combines software development (Dev) and information technology operations (Ops) to collaborate throughout the service lifecycle, from design to production support. A set of procedures that require employees to continuously support, collaborate, and develop together throughout a product's development lifecycle. It can be said that DevOps leverages Agile methodologies to achieve the ability to automate processes that previously had to be done manually, from frequently reflected challenging problems to increasing overall productivity.

Many processes and tools will also be applied simultaneously when using DevOps, some of which are:

Continuous Integration and Deployment (CI/CD)
is a set of methods that use automation to increase the efficiency, quality, and speed of software development. CI entails making frequent, small changes to the code base, which are then tested and integrated as quickly as possible.
Pipelines are tools used to conduct processes like CI/CD in the cloud. These tools are typically made up of cloud-hosted services and resources, allowing for cloud development and better support for remote teams.
A cloud-native design that enables increased scalability, availability, and flexibility. Microservices allow teams to create loosely coupled applications and pipelines that are easy to change and upgrade.
It is a technique for provisioning, setting up, and managing infrastructure through the use of software and encrypted specification files. Many infrastructure operations can be automated with this technique, and large deployments can be supported without requiring more staff on the team.
lean

LEAN

Value for clients - Compact - Highly focused on the project

Leaving aside the redundant – wasteful elements and focusing only on core values, the Lean approach is a technique of directing an organization's resources and energy to a single goal: to provide value to customers. The Lean methodology focuses on promoting two key concepts, namely constant improvement and respect for people. And while the definitions of Lean vary widely according to many sources, it is fundamentally focused on a single goal: ultimate value for customers.

The Lean model actually has its roots in manufacturing. However, it is now widely used in many different fields - which in the website you are reading is a website belonging to the IT industry. It's growing popularity is due to the advantages that its core values have brought about in general business success.

From this growing popularity, Lean techniques are being used in many different industries, some of which include manufacturing, software development, and healthcare. Outside of manufacturing, the first use of Lean techniques was in software development, known as the Agile methodology. Agile software development, in its most basic form, is a Lean development technique to shorten the software development cycle.

The following two principles form the heart of the Lean approach:

- Everyone is entitled to respect.

- Improvements are underway

People who provide services or produce products, follow the Lean approach, often have the best ideas. Thus, a Lean-based company takes into account the views of those closest to the customer or the end product.

The basic concepts of Lean methodology are as follows:

lean-concepts
Determining value
lean-concepts
Creating a value stream map
lean-concepts
Establishing a continuous workflow
lean-concepts
Creating a drag system
lean-concepts
Creating a drag system
prototype

PROTOTYPE

Continuous improvement - Innovation - Seamless work progress

Prototype is a systems development approach, with a prototype being produced, tested, and corrected if there are any glitches or incomplete issues. These actions will be repeated until an acceptable result is achieved, in order to bring the whole system to life. The process of “testing” – “error” and “correction” is conducted many times between software engineers and users.

Basically, Prototype has 6 SDLC steps as follows:

collect-and_analyze
Step 1:
Collect and analyze requirements

Requirements analysis is the first and most important step in a prototyping model. What do your customers want? Do they have any special requirements... System requirements are determined in depth at this stage.

create-quick-design
Step 2:
Create a quick design

A preliminary design will be created to give the user a quick overview of the system.

create-quick-design
Step 3:
Create a prototype

The information gained during the agile design process is then fed into the construction of a prototype – or small version of the required system.

initial-user-rating
Step 4:
Initial User Rating

Customers will receive a proposal system for preliminary review and evaluation. Getting user reviews will greatly assist in determining the strengths and weaknesses of the working model.

fine-tuning-the-prototype
Step 5:
Fine-tuning the Prototype

This phase will be continued until the desired results are achieved. If the prototype is not satisfactory to the users, the engineers must improve it based on the user feedback and comments. Finally, based on the final prototype, engineers will build a final system and will proceed with authorization if the user is satisfied with this developed prototype.

implement-and-product-maintenance
Step 6:
Implement and Product Maintenance

The final system will be fully tested and put into production when it is designed based on the final prototype. In order to save downtime and prevent problems, the team will conduct routine maintenance performed on the system.

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