• Solid .
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.
• Robust 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.
• Robust 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
🏢 BULLIT MANAGEMENT SERVICES
📍 Sydney