Lead data quality remediation, design logical/physical data models, and execute migrations from SQL Server to PostgreSQL and DynamoDB within a large-scale AWS transformation program using CQRS and Event Sourcing.
Senior Data Architect | AWS | CQRS | SQL to DynamoDB Sydney | Contract to July 2027 | $1,150 per day + GST
Opus are partnering with a respected Australian organisation undertaking a major technology transformation and are seeking an AWS Senior Data Architect to play a critical role in a large-scale data modernisation program. The Opportunity Work alongside enterprise architects, project teams, SMEs and technology partners to deliver critical data outcomes across a complex transformation program. Key Responsibilities
Lead data quality remediation initiatives across legacy data environments.
Design and document logical and physical data models.
Define and execute data migration strategies from SQL Server to PostgreSQL environments.
Establish data lineage and mapping from source through to target systems.
Validate event-sourcing and CQRS data models.
Support DynamoDB read-model and access-pattern design.
Act as a key liaison between vendors, technical teams and business stakeholders.
Skills & Experience
8+ years experience in Data Architecture.
Strong SQL Server and T-SQL expertise.
PostgreSQL and JSONB modelling experience.
AWS platform experience.
Data migration and transformation delivery experience.