Context and assignment
Migration from Tableau & Power BI Report Server to Power BI Online.
Two work packages: connection to local files, OneDrive and SharePoint, and direct connection to databases. Roadmap setup, process industrialisation, 'User Tracking' report, change-management strategy, financial report for the executive committee.
The challenge
What was at stake
For BNP Paribas, the assignment covered: “Migration from Tableau & Power BI Report Server to Power BI Online”. This kind of programme involves business departments, IT and data teams at the same time: it has to deliver quickly without weakening existing systems, and leave behind practices that hold once the assignment ends.
The relationship
Visian since 2023
BNP Paribas is Visian's largest client by volume. The work covers the banking IT system end to end, from production run to regulatory data science. Visian has worked there since 2023, with 100 assignments across 17 group entities.
Expertise involved: BI and self-service BI (Power BI, Tableau, Dataiku), data science, Java/React/Python development, DevOps and Cloud Ops, PMO, business analysis, cybersecurity.
Deliverables
- Self-service BI offering (Power BI, Tableau, Dataiku)
- Migration of group reporting to Power BI
- Operational risk dashboards rolled out group-wide
- Redesign of the payment fraud journey (project management and PMO)
- Datalytics on Cognos, Tableau and Dataiku
- DevOps observability for AI platforms
Team and duration
Duration, team and scope
- Duration: since 2023.
- Team: a multidisciplinary Visian team, sized to each phase, covering bI and self-service BI (Power BI, Tableau, Dataiku), data science, Java/React/Python development, DevOps and Cloud Ops, PMO, business analysis, cybersecurity.
- Scope: Self-service BI offering (Power BI, Tableau, Dataiku); Migration of group reporting to Power BI; Operational risk dashboards rolled out group-wide; Redesign of the payment fraud journey (project management and PMO); Datalytics on Cognos, Tableau and Dataiku; DevOps observability for AI platforms.
Approach
How Visian worked
- Scope: workshops with the departments involved, assessment of the existing set-up, prioritisation and deliverables approved in steering committee.
- Build: delivery in short iterations, shared milestones and project governance with the client teams.
- Handover: adoption support, documentation, skills transfer to in-house teams and move to run.
Results
Measured results
Scope
Methods and technologies
Expertise involved