Senior BI (m/f/d)
Contract
Paris, France
27.04.2026
An international organisation is modernising a strategic reporting and monitoring platform used by several business teams.
The goal of the programme is to upgrade the data architecture, move toward a modern cloud‑based environment, and enhance business indicators, performance, and alerting capabilities.
The developer will join a small, expert team and take ownership of a critical application with high visibility.
Responsibilities:
Qualifications and Skills:
· Strong experience with .NET / C# development
· Solid expertise in BI and data platforms (data models, ETL, reporting)
· Advanced knowledge of SQL databases and performance optimisation
· Experience working with cloud‑based data services
· Familiarity with Agile methodologies and quality standards
· Autonomous, proactive, and comfortable interacting with business stakeholders
Halian Group
With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.
Our resourcing and smart services help you to realize tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together.
At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.
The goal of the programme is to upgrade the data architecture, move toward a modern cloud‑based environment, and enhance business indicators, performance, and alerting capabilities.
The developer will join a small, expert team and take ownership of a critical application with high visibility.
Responsibilities:
- Modernise an existing BI and data platform toward a scalable target architecture
- Migrate legacy analytical models to more efficient and maintainable data models
- Adapt and optimise data integration workflows and reporting solutions
- Develop new KPIs, metrics, and calculation rules based on business needs
- Implement automated alerting mechanisms based on business and data events
- Provide day-to-day technical support and ensure platform stability and performance
Qualifications and Skills:
· Strong experience with .NET / C# development
· Solid expertise in BI and data platforms (data models, ETL, reporting)
· Advanced knowledge of SQL databases and performance optimisation
· Experience working with cloud‑based data services
· Familiarity with Agile methodologies and quality standards
· Autonomous, proactive, and comfortable interacting with business stakeholders
Halian Group
With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.
Our resourcing and smart services help you to realize tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together.
At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.