We believe only a disciplined approach results in quality software. And, at Rapidsoft Systems - we are committed to create software that is reliable and bug free. We are not just run-of-the mill coders but software designers and architects. At Rapidsoft Systems, Software engineering means applying processes to their fullest because that is the only way to get fault free software. Any thing else is nothing, but managed chaos. And, it is expensive when you are managing chaos. So if you want software developed following the best of recommended software engineering processes - we are the people to deal with.
Quality software is often the result of talented system designers, programmers, suitable processes and knowledgeable program management. The basic software development process is iterative. Each successive version is intended to be closer to its target than its predecessor. Therefore, all software development activities can be seen as re-iterative cycles that produce different base line of code for a given system.
The classic software life cycle models usually include some version or subset of the following activities:
Rapidsoft systems does not impose its models on customers. Our teams will adapt to any model that customer uses. Each software engineering model has its own pros and cons. We will discuss and use a model that depends to a particular project. Some process are natural candidate for Waterfall model, while others may be a good candidate for Agile Software development Model. Some of these models are described below (source Wikipedia).
Iterative development prescribes the construction of initially small but ever larger portions of a software project to help all those involved to uncover important issues early before problems or faulty assumptions can lead to disaster. Iterative processes are preferred by commercial developers because it allows a potential of reaching the design goals of a customer who does not know how to define what they want.
Agile software development processes are built on the foundation of iterative development. To that foundation they add a lighter, more people-centric viewpoint than traditional approaches. Agile processes use feedback, rather than planning, as their primary control mechanism. The feedback is driven by regular tests and releases of the evolving software.
Extreme Programming (XP) is the best-known iterative process. In XP, the phases are carried out in extremely small (or "continuous") steps compared to the older, "batch" processes. The (intentionally incomplete) first pass through the steps might take a day or a week, rather than the months or years of each complete step in the Waterfall model. First, one writes automated tests, to provide concrete goals for development. Next is coding (by a pair of programmers), which is complete when all the tests pass, and the programmers can't think of any more tests that are needed. Design and architecture emerge out of refactoring, and come after coding. Design is done by the same people who do the coding. (Only the last feature — merging design and code — is common to all the other agile processes.) The incomplete but functional system is deployed or demonstrated for (some subset of) the users (at least one of which is on the development team). At this point, the practitioners start again on writing tests for the next most important part of the system.
The waterfall model shows a process, where developers are to follow these steps in order:
The Capability Maturity Model Integration (CMMI) is one of the leading models and based on best practice. Independent assessments grade organizations on how well they follow their defined processes, not on the quality of those processes or the software produced. CMMI has replaced CMM.
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