Immediate Hiring - MSSQL to PostgreSQL Migration (AWS RDS) - Jersey City, NJ
prasanth.r
Job Title: Data Engineer – MSSQL to PostgreSQL Migration (AWS RDS)
Location : Jersey City, NJ
Key Responsibilities
• Analyze and understand the existing MSSQL database structure, including 20K+ stored procedures, triggers, and functions.
• Design and implement migration frameworks using AWS Schema Conversion Tool (SCT) and AWS Database Migration Service (DMS).
• Translate T-SQL scripts to PL/pgSQL, handling data type conversions, control flows, cursors, temporary tables, and set-based logic.
• Identify redundant or obsolete procedures and optimize SQL logic during the migration.
• Work closely with application and microservices teams to ensure the translated procedures maintain business logic integrity and API compatibility.
• Perform data validation, performance tuning, and benchmarking to ensure the new PostgreSQL environment meets or exceeds legacy performance.
• Develop monitoring scripts and dashboards for migration progress, data validation, and post-migration health checks.
• Collaborate with DevOps for AWS RDS configuration, backup, and scaling best practices.
• Contribute to infrastructure automation (Terraform / CloudFormation) for data environments on AWS.
Technical Skills Required
• Database Platforms: o Strong expertise in MSSQL - complex stored procedures, views, triggers, functions, and query optimization. o Advanced proficiency in PostgreSQL, with experience in PL/pgSQL, indexing, partitioning, and performance tuning. o Hands-on experience with AWS RDS for PostgreSQL (provisioning, scaling, security, and maintenance). • AWS Expertise: o Proficiency in AWS RDS, S3, Lambda, Glue, DMS, SCT, and CloudWatch. o Strong understanding of AWS networking, IAM, and data security best practices. • Migration Tools: AWS Schema Conversion Tool (SCT), AWS Database Migration Service (DMS), pgLoader, or similar.
• Scripting & Automation: Python, Shell, or PowerShell for migration automation and data validation.
• Cloud & DevOps: Familiarity with AWS services (EC2, S3, CloudWatch, Lambda) for data pipelines and automation.
• Version Control: Git / Bitbucket for maintaining SQL scripts and migration versions.
• Monitoring & Validation: Strong SQL profiling, logging, and audit trail design. Preferred:
• AWS Certified Data Engineer / Database Specialty.
• Experience working with microservices-based systems and aligning data with APIs
. • Familiarity with data modelling, normalization, and schema optimization for performance and scalability.
• Exposure to ETL pipelines and data transformation workflows. • Exposure to containerized or serverless data workflows (ECS, Lambda).
• Understanding of .NET Core applications’ data access patterns (EF Core, Dapper, etc.) for alignment with backend teams.
• Knowledge of Agile methodologies and CI/CD integration for database deployments. Soft Skills:
• Strong analytical ability to refactor complex SQL logic and ensure business logic parity post-migration.
• High attention to detail with data integrity and performance focus.
• Proactive approach toward identifying performance issues and improving query efficiency
. • Excellent documentation and collaboration skills to work across application, DevOps, and data teams.
Thanks & Regards
Prasanth Raj .R
Reveille Technologies, Inc
Prasa...@reveilletechnologies.com
https://www.linkedin.com/in/prasanth-raj-78036187/
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