The time between the product is initially designed and finally released is called a software development life cycle (SDLC). Software development is a complicated process. Usually, it consists of a certain number of phases. Let’s see what each phase is responsible for, how it works, and what results it gives with a guide to step by step software development.

A crucial moment in delivering a successful software product is to conduct business analysis. Professional analysts can precisely define your needs and recommend a solution that will bring value to all the company stakeholders. Our business analysts use a set of tasks and techniques that allow developing a strategy to improve processes, incorporate significant changes, and create new policies. Based on their reports, customers get a detailed SRS document. It serves a basis for further collaboration, legal agreement, and coherent SDLC.

7 Core Phases of Software Development

Here are 7 main stages of software development life cycle that should be followed by your development team.

Phase 1 – Brainstorming

software development phases

Coming up with innovative ideas is often challenging because recent years have already brought us so many brand new IT products and technological innovations. Because of a bunch of out-of-the-box solutions, product and project managers together with developers have to think globally to offer something different.

A technique of brainstorming is effective in IT environment. It is as a creative method to find out the best solutions and ideas appropriate for implementing during the SDLC. All members of the brainstorming process contribute their ideas and offer them during the discussion. This allows everybody to feel useful and responsible for the outcomes.

This stage is also called planning as it generates the main requirements to the projects as well as creates a general roadmap. Planning is one of the most important phases of SDLC. It influences the whole development process and the ways everything will be done.

Phase 2 – Feasibility Analysis

Before investing heavily in the project, CEO and all team members have to carry out a feasibility analysis. The feasibility study can show how successful a project could be, evaluates all factors including economic and technical that affect the project development. Every member of the team, testers, developers, PMs, and others, must provide a clear estimate of time they need to complete their specific tasks, efforts and resources they need to involve. It will help calculate all expenses.

Step by Step Software Development Phases

Phase 3 – Design

Conceptualizing the product is made on design stage of SDLC. Design is developed according to the specifications written during the first two stages. Designers, like any other architects, build the whole structure of the project and provide the final prototype that will be used for the next stages of development process.

Phase 4 – Programming

Here is coding where developers are getting started. Every programmer has his own task for coding for which he is responsible. The process of programming is controlled by project managers. This phase is the most time-consuming operation.

Phase 5 – Integration

Integrating of all sources and environments is a must in software development as it helps to figure out on time how many issues, conflicts, and bugs are there. Most teams, especially agile ones, use continuous integration. Such teams execute unit tests, use automated compilation and tests.

Phase 6 – QA

QA engineers test the quality of the code written by developers. They use different frameworks and kinds of testing to discover if there are any bugs in the system. Testers write test cases and report the bugs to developers to fix them.

Phase 7 – Release

First software release will be followed by the releases of next versions of the product. It is the final stage of development that can be also followed by maintenance and support.

Each of the stages of SDLC life cycle depends on the model of software development a company chooses. Let’s figure out what are the main methodologies that could be used in development.

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Development Process

A team chooses a certain set of tools and methodologies for design, development, testing, and management processes. It depends on the goals that stand before the team and the objectives of a product to be built. Here are the most popular software development models the experienced teams use:

#1 – Waterfall model assumes that each stage is completed before the next one starts. For example, QA engineers start testing only after programming has been completely done.

#2 – V model is much similar to the waterfall with a slight difference – testing takes place simultaneously with the development process.

#3 – Incremental model is divided into builds. It means that the product is built with separate blocks/parts. In other words, the product is built like a puzzle.

#4 – Rapid Application Development is another model that IT companies use. Here, the project development is divided among small teams who work simultaneously.

#5 – Agile is a kind of incremental model where each release is focused on better software quality. This methodology is widely spread among teams and customers as it shows a continuous process and fast results. Time taken for each build can be measured here rather by weeks than by months.

No matter what methodology your team uses the entire software development process must include all main stages: determining specifications, design, validation, and maintenance.

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Depending on the project needs, our team offers the best-suited methodology so that you feel comfortable collaborating with our developers. Do you have any questions concerning the phases of software development or other project-related questions? Contact us to get the answers from our experts.