Why is the Software Development Life Cycle Critical for Outsourcing Success?

Kamil Sobiszewski

30 May 2023, 7 min read

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What's inside

  1. What is the Software Development Life Cycle (SDLC)?
  2. Why SDLC matters in outsourcing?
  3. How to implement SDLC in outsourcing?
  4. Examples of SDLC models for outsourcing
  5. Conclusion
  6. Contact us
  7. TL;DR

Outsourcing software development have become a common practice today. However, managing an outsourced software development project can be challenging, and one of the critical aspects to consider is the Software Development Life Cycle (SDLC). This blog post will discuss SDLC and why it matters in outsourcing.

What is the Software Development Life Cycle (SDLC)?

The Software Development Life Cycle (SDLC) refers to the process of building software that ensures the high quality of the final product. It is a structured approach to ensure quality, efficiency, and consistency in the software development process.

SDLC includes a detailed plan followed by software development teams to design, develop, test, and deploy software products.

The stages of the SDLC typically include

  • Planning: This stage involves gathering requirements from stakeholders, defining project scope, creating project plans, and setting up a project team.

  • Analysis: During this stage, the project team conducts a detailed analysis of the requirements and creates a functional specification document that outlines the software's functionality.

  • Design: In this stage, the team designs the software architecture, database design, user interface, and other components.

  • Implementation: This stage involves writing the code and creating the software.

  • Testing: During this stage, the software is tested for functionality, performance, security, and usability.

  • Deployment: After successful testing, the software is deployed to production.

  • Maintenance: This stage involves providing ongoing support, bug fixes, and updates to the software to ensure that it continues to meet the changing needs of the stakeholders.

Each SDLC stage has unique tasks, deliverables, and objectives. A structured SDLC approach is essential for software development teams to guarantee the delivery of high-quality software systems that satisfy the stakeholders' needs.

Why SDLC matters in outsourcing?

In outsourcing, SDLC is critical to the success of software development projects. It provides a structured approach to software development, essential for delivering high-quality software systems that meet the stakeholders' requirements.

The consistency provided by SDLC ensures that each project stage is executed consistently, reducing the risks of miscommunication, delays, and quality issues. By providing clear milestones, timelines, and deliverables for each stage of the software development process, SDLC helps outsourcing teams to estimate project timelines and costs and manage them effectively and accurately.

Moreover, it facilitates effective communication among outsourcing teams, stakeholders, and vendors by providing a common language and understanding of the software development process.

By following a structured approach to software development, outsourcing teams can ensure that software systems are of high quality, meet the needs of the stakeholders, and are delivered on time and within budget.

SDLC is essential in outsourcing because it provides a structured and standardized approach to software development, which helps manage risks, timelines, costs, and quality and facilitates effective communication among all parties involved.

How to implement SDLC in outsourcing?

Implementing SDLC in outsourcing involves a systematic approach to software development that requires several steps.

First, it is crucial to clearly understand the project requirements to ensure that the outsourcing partner has a precise idea of what is expected from the project.

Secondly, selecting the right outsourcing partner is essential for the successful execution of the project.

Thirdly, effective communication protocols should be established to ensure regular updates and collaboration between all parties involved in the project.

Fourthly, selecting the appropriate SDLC methodology determines how the project will be planned, designed, and developed. The software development process includes developing the software according to design specifications and testing it to ensure it meets the required functional and performance requirements.

After successful testing, the software is deployed to the production environment, and ongoing support and maintenance are provided.

Finally, it is essential to monitor the project's progress and evaluate the results to identify areas for improvement and ensure that the project meets the desired outcomes.

By following this systematic approach, outsourcing teams can successfully implement SDLC and deliver high-quality software systems that meet the stakeholders' requirements.

Examples of SDLC models for outsourcing

Outsourcing teams can use several SDLC models when developing software systems. Here are some examples:

  • Waterfall Model: This is a linear and sequential SDLC model that involves completing each stage of the development process before moving on to the next one. This model is used for projects with well-defined requirements and a fixed budget and timeline.

  • Agile Model: This SDLC model involves iterative and incremental development, where the project is broken down into small, manageable chunks. This model is helpful for projects with changing requirements, where the development team needs to adapt to the changing needs of the stakeholders.

Read more: Agile vs. waterfall - what’s better for my business?

  • DevOps Model: This SDLC model focuses on the collaboration between the development and operations teams, focusing on continuous integration, delivery, and deployment. This model is useful for projects needing frequent updates and releases.

  • Spiral Model: This risk-driven SDLC model involves iterating through a series of development phases, with each iteration building upon the previous one. This model is beneficial for projects with high-risk factors and evolving requirements.

  • Rapid Application Development (RAD) Model: This SDLC model involves rapid prototyping and development, focusing on early and continuous feedback from stakeholders. This model is practical for projects needing quick and frequent updates.

Choosing the right SDLC model for outsourcing depends on various factors, including the project requirements, stakeholders' needs, budget, and timeline.


Your project timeline will depend on the development methodology.

  • Large, complex software requires development life cycles that ensure a careful and accurate approach to building solutions, with a focus on the planning and documentation process.

  • Small and low-risk software can be quickly built using even ad hoc programming methods where hands-on code writing brings the final result.

Methodologies like the agile software development model minimize the risk of finding bugs during the later stages of development, which decreases development costs. The waterfall approach doesn't offer such opportunities for early application testing.

The development process needs to meet the budget, timeframe, and resources available - and certain trade-offs made in the process may affect the software security. Some software development life cycle models place more importance on security during the planning and implementation phases to mitigate this.

Consider the requirements of your project and your long-term business needs when choosing the best working model for your company.

In conclusion, outsourcing software development can be a great way to save costs and access specialized expertise. However, to ensure the success of an outsourced project, it's essential to adopt a structured approach such as the Software Development Life Cycle (SDLC).

By choosing the right SDLC model, communicating effectively with the outsourcing team, and monitoring the project regularly, businesses can improve project quality, minimize errors, and ensure the timely delivery of the project.

Contact us

At Sunscrapers, we specialize in providing high-quality outsourcing services to businesses of all sizes. Our team comprises skilled professionals with expertise in various fields, such as software development, web development, data science, customer support, and more.

We help companies from different industries meet their technology needs with careful planning and choosing the most appropriate working models. Contact us.


  1. Reasons why SDLC matters in outsourcing:
  • Ensures consistency
  • Reduces risks
  • Helps manage project timelines and costs
  • Facilitates effective communication
  • Increases quality
  1. Here ate the steps on how to implement SDLC in outsourcing:
  • Clearly define the project requirements
  • Select an outsourcing partner
  • Establish communication protocols
  • Determine the SDLC methodology
  • Plan and design the project
  • Develop and test the software
  • Deploy and maintain the software
  • Monitor and evaluate the project
  1. Examples of SDLC models for outsourcing:
  • Waterfall Model
  • Agile Model
  • DevOps Model
  • Spiral Model
  • Rapid Application Development (RAD) Model




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