What is the role of a business analyst in an it project?

27 May 2025

In an IT project, the Business Analyst (BA) plays a key, even fundamental role in ensuring the project’s success. Their main objective is to understand, analyse and optimise an organisation’s business processes, while ensuring effective communication between the company’s functional needs and the IT solutions implemented.

Analysing business needs

The Business Analyst begins with an in-depth study of the company’s internal processes. They identify points of friction, areas for improvement and potential weaknesses with a view to continuous optimisation. This phase allows the requirements expressed by the client to be challenged in order to arrive at truly relevant solutions.

Translating requirements into functional specifications

Once the needs have been clarified, the BA formalises them using standard tools such as:

  • UML
  • BPMN
  • Process mapping
  • User stories

This structured documentation serves as a basis for communication between business and technical teams, facilitating product planning and development.

Acting as an intermediary between business and IT

The Business Analyst acts as an interface between functional teams and developers. They ensure that business requirements are understood, integrated and respected throughout the project.

Supporting change

When the IT solution is deployed, the BA supports change management by:

  • Participation in user acceptance testing (UAT)
  • Leading training sessions
  • Targeted communication to promote adoption of the solution

 

Ensuring continuous improvement

Even after the solution goes live, the BA continues to play an active role. They suggest continuous improvements to enhance product performance and optimise the client company’s profitability and productivity.

Conclusion

The IT Business Analyst is much more than a functional analyst. They connect the business to the technical side, ensure that requirements are understood, and manage digital transitions in a structured manner. Their involvement is crucial to ensuring that the IT solution developed is aligned with the organisation’s strategic objectives.

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