J&M Group
Senior Data Developer
Skills
1 month ago
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Important information
Contract type:
Permanent
Location:
Mississauga, ON, Canada
Work mode:
Onsite
Published on:
10 September 2026
What they need
Database and ETL Development
Analyze business requirements and convert them into technical specifications, data mappings, ETL rules, and implementation tasks.
Design, develop, and maintain SQL Server database objects including tables, stored procedures, functions, views, indexes, and scripts.
Develop, enhance, and troubleshoot SSIS packages for data extraction, transformation, loading, validation, and reconciliation.
Analyze legacy DTS packages and support migration or remediation into modern SSIS-based workflows.
Optimize SQL queries, troubleshoot performance issues, and support database upgrade or compatibility validation activities.File Processing and Integration
Build and support file processing workflows involving inbound files, outbound files, parsing logic, transformation rules, and validation checks.
Work with CSV, XML, delimited, fixed-width, report files, PDF/AFP-related outputs, marker files, control files, and other enterprise file formats.
Perform end-to-end execution checks, output validation, reconciliation, and issue analysis across data and file-processing stages.
Coordinate with upstream and downstream teams to resolve file transmission, integration, data quality, and environment-related issues.Testing, Release, and Support
Perform unit testing, integration testing, regression support, baseline comparison, and defect remediation.
Support QA, client acceptance testing, production deployment, and post-deployment warranty support activities.
Prepare technical documentation, build guides, configuration notes, release notes, and handover documentation.
Investigate incidents, perform root cause analysis, recommend fixes, and document corrective actions.Offshore Coordination and Delivery Support
Coordinate daily with offshore development and QA teams to assign tasks, clarify requirements, track progress, and resolve blockers.
Review offshore deliverables for quality, completeness, standards alignment, and deployment readiness."
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