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ArrowDevelopment Methodology

Managing complex software development projects is about efficient utilization of resources, risk management, accurate estimation of budgets and timelines, experienced selection of appropriate technologies, and scheduling feature development to meet time-to-market requirements. Risk is a reality in every project; HJ Software's iterative methodology for software development is designed specifically to mitigate risk.

A software project development lifecycle is comprised of four facets:

1. Requirements
2. Design
3. Coding
4. Testing and Delivery

These four facets are managed by a project plan that determines when the software product will offer the required features.

Waterfall lifecycle Model

In a traditional Waterfall lifecycle model, the project plan organizes the four phases in a strict serial order. A lot of time is spent up front to define and analyze requirements and to complete the design of the target system before a line of code is written. This model does not handle changes in requirements or design well. In addition, it creates an artificial separation between business analysts, architects, designers, and programmers, leading to the risk of miscommunication and divergence between the business objectives and vision of a software product and its implementation.

Iterative lifecycle model

Using an Iterative lifecycle model, the four facets of a software product are integrated so that business objectives drive the entire process, and the requirements and design are continuously refined while the code evolves. The project plan arranges the development into small releases, and mandates continuing integration of all coded components, incremental builds, and periodic validation of refined requirements and design. By doing so, it encourages a shared ownership of the product among business analysts, software architects, designer, programmers and QA team this shared ownership reduces the risk of miscommunication and divergence. It also enables continuing refinement and integration to avoid any unpleasant surprises just before the delivery date.

The Benefits of Iterative Methodology followed by HJ Software are:

  • Quick feedback loop from business to engineering back to business.
  • Rapid software product conceptualization and materialization through prototyping.
  • Ability to refine requirements and design, and handle changes in both in the early phases of a product lifecycle.
  • Focus on getting the highest priority features and the highest risk features implemented as fast as possible.
  • Ability to validate pieces of design incrementally, providing continuous analysis and mitigating the risks.

AGILE Development Model

In case of Agile software development model, which is a conceptual framework for software development and is variant of Iterative Lifecycle Model. It promotes development iterations throughout the life-cycle of the project where iterations are relatively shorter in time duration.

There are many agile development methods; most minimize risk by developing software in short amounts of time. Software developed during one unit of time is referred to as an iteration, which typically lasts from one to four weeks. Each iteration passes through a full software development cycle: including planning, requirements analysis, design, coding, testing, and documentation. An iteration may not add enough functionality to warrant releasing the product to market but the goal is to have an available release (without bugs) at the end of each iteration. The team re-evaluates project priorities, at the end of each of iteration.

Agile methods emphasize face-to-face communication over written documents. Most agile teams are located in a single open office sometimes referred to as a scrum. At a minimum, this includes programmers and their "customers" (customers define the project; they may be project managers, a business analyst, or the clients). The office may include software testers, interaction designers, technical writers, and managers.

Agile methods also emphasize working software as the primary measure of progress. Combined with the preference for face-to-face communication, agile methods produce very little written documentation relative to other methods.