Senior Data Developer - ETL
Acestack
- Job Title: Senior Data Developer - ETL
- Location: Mississauga, ON
- Work Model: Onsite
- Job Type: Full Time (FTE) Job Description
- Analyze business requirements and translate them into technical specifications, data mappings, ETL rules, and implementation tasks.
- Design, develop, and maintain SQL Server 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 to modern SSIS-based workflows.
- Optimize SQL queries and troubleshoot database performance issues.
- Support database upgrades and compatibility validation activities.
- Build and support inbound and outbound file-processing workflows, including parsing, transformation, and validation.
- Work with CSV, XML, delimited, fixed-width, report, PDF/AFP, marker, and control files .
- Perform end-to-end execution checks, output validation, reconciliation, and data-quality analysis.
- Coordinate with upstream and downstream teams to resolve transmission, integration, data-quality, and environment issues.
- Perform unit, integration, and regression testing, including baseline comparisons and defect remediation.
- Support QA, client acceptance testing, production deployments, and post-deployment warranty activities.
- Investigate incidents, perform root-cause analysis, recommend solutions, and document corrective actions.
- Prepare technical documentation, build guides, configuration notes, release notes, and handover documents.
- Coordinate with offshore development and QA teams to assign tasks, clarify requirements, track progress, and resolve blockers.
- Review offshore deliverables for quality, completeness, standards compliance, and deployment readiness.
- Support effective communication between onsite stakeholders and offshore teams to ensure timely delivery.
- Strong hands-on experience with SQL Server and SSIS .
- Expertise in database development, SQL query optimization, and performance troubleshooting.
- Strong understanding of ETL processes , data mapping, transformation, validation, and reconciliation.
- Experience with legacy DTS packages and migration to SSIS.
- Experience with enterprise file processing and multiple file formats.
- Strong testing, production support, troubleshooting, and root-cause analysis skills.
- Experience working with distributed/offshore development and QA teams.
- Strong communication, documentation, and problem-solving skills.
We are seeking an experienced Senior Data Developer - ETL with strong expertise in SQL Server, SSIS, database development, and enterprise file processing . The ideal candidate will be responsible for designing, developing, optimizing, testing, and supporting data integration workflows while coordinating with offshore development and QA teams.
Key ResponsibilitiesDatabase & ETL Development
File Processing & Integration
Testing, Release & Production Support
Offshore Coordination & Delivery
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