Must-have stack: .NET/C# | REST APIs | SQL Server | SQL | SFTP | File Processing
Experience with Microsoft SQL Server development and backend engineering experience.
Experience developing data migration scripts, utilities and migration services.
Solid SQL skills for extraction, transformation, validation and data reconciliation.
Experience with file-based data migration, including structured file formats.
Hands-on experience with SFTP-based file transfer and ingestion.
Experience integrating source systems with target platforms through APIs, batch processing and ETL.
Ability to build migration engines/services for high-volume backend data movement.
Solid focus on migration validation, data integrity, reconciliation and error handling.

Key Responsibilities :




Develop backend components for a large-scale system migration programme.
Build SQL Server and .NET-based migration utilities/services.
Develop migration scripts and APIs to extract, transform and load data.
Process data received through SFTP/files and load it into target systems.
Build and support ETL/batch interfaces between source and target platforms.
Implement data validation and reconciliation across migration stages.
Troubleshoot migration failures, data-quality issues and interface errors.
Support migration testing, rehearsal and production cutover activities.
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📌 Dotnet Developer Sydney (Australia)
🏢 Ad Astra Consultants
📍 Australia