Senior Power BI & Data Specialist

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Our high-performing, dynamic, and collaborative environment fosters professional growth at every stage.

• Design, develop, and maintain Power BI dashboards, reports, and analytical solutions.
• Develop and optimise data models using Power BI and Power Query.
• Create data processing and automation solutions using Python.
• Write, optimise, and maintain SQL queries supporting reporting and analytical activities.
• Leverage Databricks and modern analytics platforms to support scalable reporting and data-driven decision-making.
• Gather, analyse, document, and validate business requirements.
• Translate business needs into technical and analytical solutions.
• Support the development of intuitive and user-friendly analytical interfaces.
• Explain technical concepts, opportunities, and constraints to non-technical stakeholders.
• Facilitate discussions and workshops with business and technical teams.
• Support the evolution and continuous improvement of data products and analytics services.
• Collaborate with stakeholders in an international and multicultural environment.
• Promote analytics best practices, data quality, and continuous improvement initiatives.
• Other tasks as assigned by supervisor
• Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy

• Bachelor's degree in Computer Science, Engineering, Data Science, Information Systems, Mathematics, or a related field.
• At least six (6) years of experience, after having completed university studies, in data management and software development. Proficiency in two or more of the following areas: business intelligence tools, data visualisation, controlled terminologies, business glossaries and ontologies, data architectures, data integration pipelines, data validation processes and pipelines, and master data management.
• Strong hands‑on experience with Power BI, including:
  Data modelling, Power Query, Dashboard and report development, Semantic models
• Strong experience with Python for data analysis, automation, and reporting solutions.
• Experience working with Databricks, SQL, Python, cloud‑based analytics environments, and containerized platforms ( e.g. Kubernetes) for scalable data and reporting solutions.
• Experience with data integration and analytics platforms, gathering and documenting business requirements from technical and non‑technical stakeholders, and translating business needs into technical deliverables and analytical solutions.
• Good knowledge of Microsoft Azure cloud services, tools, and technologies, with hands‑on experience in Azure environments.
• Experience developing or supporting analytical and user‑facing reporting interfaces.
• Ability to explain technical concepts to business audiences.
• Familiarity with modern BI and data engineering practices.
• Ability to confidently facilitate discussions and workshops with both business and technical stakeholders in English, fluency in English at C1 level or higher according to the CEFR (Common European Framework of Reference for Languages).

• Experience working in international,…