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How to Choose the Right Software Development Model?

While choosing outsourcing software development company it is important to remember that successful product implementation begins with the choice of suitable type of contract and project development model. The right decision helps to avoid the vast majority of issues that may appear during the development process.

A lot of things have to be considered starting from the project size, requirements or preferable payment model and desirable level of involvement. In this whitepaper, we compare the most popular engagement models (fixed bid, time and material, dedicated team) and project management approaches (such as Waterfall, Agile, Scrum, and Kanban) to help you to make the right choice.

One of the important steps in the realization of successful and efficient product is to choose suitable engagement and development models. Wrong decision may cause additional costs, loss of time and even nerves. The majority of problems can be avoided long before the first line of code is written, if the right engagement model, project management methodology and contractor chosen at the initial stage. In this whitepaper, we compare the most popular engagement models (fixed bid, time and material, dedicated team) and time and material, dedicated team) and project management approaches (such as Waterfall, Agile, Scrum, and Kanban) that are widely known across the market, and most commonly offered by the contractors, to help you understand, which one will better suit you, your company and developed product. Also, this whitepaper can be used as a step-by-step guide on how to choose the right software development model when outsourcing your product development.

As any kind of complex process, software development contains various approaches aimed to fulfill the same need – deliver necessary product with less time and money expenses, and with higher efficiency and quality. The solution on this task lays in the sphere of project requirements evaluation. A lot of things have to be considered: from the project size (including budget, development team size, estimated implementation time) to the technical requirements (platforms, integration, functionality, etc.). Outsourcing software development team may cover key needs and significantly reduce costs while accelerating the development time but only if a customer selects the most rational approach for him and his initiative.

Why is it important to choose the appropriate engagement model?

An engagement model is required for managing the development process as it covers such significant points as payments, flexibility, level of client involvement, and others. There are three main engagement models: fixed bid, time & material, and a dedicated team, – each has its pros and cons and can effectively work for some particular projects. Detailed comparison is presented below as well as some tips on which one to choose.

Fixed Bid

This type of contract is ideal for small-size or urgent projects. Fixed bid perfectly works when the project specifications are clearly defined and unlikely to change. Such engagement model implies that a client has a clear understanding of how the final result should look like and the work is clearly stated in the SRS (Software Requirements Specification).

  • Efficient for projects with clear, stable, and settled requirements
  • The final cost to develop a solution is fixed unless there are no additional changes
  • Minimal client in
  • Minimal client involvement and communication

Time and Materials Contract (T&M)

The main idea of Time & Material contract is in its name, it is more flexible and transparent for a client. In a T&M contract, the customer usually gets an estimate on the number of hours needed for project implementation and an hourly rate to calculate the total software development cost. Any additional work can be easily evaluated based on the preliminary discussed hourly rate.

  • Ideal for projects that don’t have clear requirements or expected to change
  • Flexible price and estimated development time
  • Suitable for large and long-term projects

Dedicated Team (ODT)

Dedicated Team or ODT’s meaning is a bit wider. It is not all about developing a complete product it is more about leveraging additional resources. This kind of software development model is a perfect solution for any business willing to augment the development productivity, extend current team and/or reduce additional expenses on hiring extra staff or investing into other resources. The dedicated team model is a perfect choice for large and long-term projects and businesses planning to expand in the foreseeable future. This approach implies customer’s full control and involvement, which simplifies the implementation of all emerging business needs which simplifies the implementation of all emerging business needs.

  • Full development team control and complete customer involvement
  • No hiring efforts, lower TCO, ability to quickly scale up in-house team
  • Monthly fee only; predictable and weighted costs for the long-term project

Download a full version of Software Development Models Comparison.

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Author Bio

Victoria Puzhevich Lead Business Development Specialist
Victoria has over 15 years of experience in IT, keeping track of the current and future trends in the sphere, sharing expert advice and relevant industry experience.

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