Developer

We are seeking a highly skilled SSIS / SQL Developer with proven expertise in data migration, particularly in migrating large-scale enterprise data from Oracle to Microsoft SQL Server. The ideal candidate will be responsible for designing, developing, and optimizing ETL pipelines using SQL Server Integration Services (SSIS), writing complex T-SQL queries, and ensuring data integrity throughout the migration lifecycle.

KEY RESPONSIBILITIES

• Design, develop, and maintain robust SSIS packages for ETL workflows, data transformation, and automated data loads.
• Analyze Oracle database schemas, stored procedures, functions, and packages and re-engineer them in T-SQL for SQL Server compatibility.
• Develop complex T-SQL queries, stored procedures, views, triggers, and functions to support business logic and reporting requirements.
• Perform data profiling, cleansing, validation, and reconciliation to ensure accuracy and completeness during migration.
• Collaborate with business analysts, DBAs, and project managers to gather requirements and translate them into technical solutions.
• Conduct unit testing, integration testing, and performance tuning of ETL pipelines and SQL scripts.
• Document migration strategies, data mapping specifications, ETL workflows, and technical runbooks.
• Monitor and troubleshoot ETL job failures, data discrepancies, and performance bottlenecks in production and staging environments.
• Optimize SQL queries and SSIS packages for performance using indexing strategies, query plans, and execution profiling.
• Ensure compliance with data governance, security policies, and regulatory requirements throughout the migration process.
• Provide post-migration support, including issue resolution and performance monitoring.

Requirements

Core Technical Skills

• 5+ years of hands-on experience building and managing SSIS packages, including control flow, data flow, event handlers, and error handling.
• Strong proficiency in Microsoft SQL Server (2016/2019/2022), including T-SQL, query optimization, indexing, and database design.
• Solid experience working with Oracle (10g/11g/12c/19c), including PL/SQL, Oracle data types, sequences, and schema management.
• Proven experience executing Oracle-to-SQL Server migrations, including schema conversion, data mapping, and validation.
• Expertise in building scalable ETL pipelines for large datasets with strong data quality and transformation logic.

Tools & Technologies