Essential Criteria :
Robust .NET / C# development skills, particularly REST APIs / backend APIs .
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.
📌 Backend Engineer – Net Sydney
🏢 eTeam
📍 Sydney
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