Senior Data Modeller

Responsibilities

• Design and implement conceptual, logical, and physical data models for transactional and analytical systems.
• Work closely with stakeholders to understand business requirements and translate them into robust data models.
• Collaborate with Data Architects, ETL Developers, and BI Analysts to ensure alignment of models with data pipelines and reporting needs.
• Optimise data models for performance, scalability, and reliability.
• Review and improve existing data models to meet evolving business needs.
• Ensure data modelling best practices and standards are followed.
  

Requirements

• Bachelor's or Master's degree in Computer Science, Information Systems, or a related field.
• 5+ years of hands-on experience in data modelling (OLTP and OLAP environments).
• With expertise in Data Vault, such as Hubs, Links, and Satellites.
• Flow: source staging vault business vault star schema.
• Sources: OLTP, files, logs, events.
• Strong knowledge of relational and dimensional modelling techniques (Star, Snowflake schemas).
• Proficiency in SQL and working with relational databases like Oracle, SQL Server, PostgreSQL, or MySQL.
• Familiarity with data lake architectures, NoSQL databases, and big data platforms is a plus.
• Excellent analytical, problem-solving, and communication skills.