Senior Database Engineer for Data Migrations & ETL

Changeis, Inc.; United States; On-site; USD 110,000 - 150,000; Full time

Job summary

Changeis, Inc. is seeking an experienced Database Engineer to support enterprise database development, data integration, ETL processes, and modernization initiatives.

The role focuses on optimizing SQL and database performance while migrating data from legacy systems to modern platforms. You will work across complex data environments, collaborating with developers, analysts, architects, and other stakeholders to design, implement, test, and document robust database solutions.

Qualifications

• Bachelor’s degree or equivalent experience.
• 5+ years in database engineering or related field.
• Strong proficiency in SQL and relational database development.
• Experience with SQL Server, PostgreSQL, Oracle, MySQL or similar platforms.
• ETL processes, data pipelines, and data integrations experience.
• Experience with large and complex datasets across multiple sources.
• Knowledge of database design, data modeling, transformation and quality principles.
• Experience troubleshooting database and data integration issues.
• Strong analytics, problem-solving and communication skills.
• Experience with legacy system migrations or modernization is preferred.
• Experience with cloud data platforms in Azure or AWS is a plus.
• Familiarity with Agile/Scrum methodologies.

Responsibilities

• Design, develop, test, and maintain enterprise database solutions.
• Develop and optimize complex SQL queries, procedures, functions, views, and other objects.
• Develop and maintain ETL processes and data pipelines across systems.
• Analyze database structures, schemas, interfaces, and data relationships.
• Support migration and modernization of data from legacy systems.
• Perform data mapping, transformation, cleansing and reconciliation during migration.
• Troubleshoot database, ETL, data integration and quality issues.
• Monitor and optimize performance, scalability, reliability, and availability.
• Collaborate with developers and architects to meet data requirements.
• Create technical documentation for designs, mappings, data flows, and migrations.
• Support testing and validation of migrated and integrated data.
• Participate in Agile development, reviews, and continuous improvement.

Skills

SQL

Relational databases

Database development

ETL

Data integration

Data migration

Data modeling

Data mapping

Data quality

Performance optimization

Python

PowerShell

Databricks

Snowflake

Azure Data Factory

AWS

Education

Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field (or equivalent)

Tools

SQL Server

PostgreSQL

Oracle

MySQL

Job description

Changeis, Inc. is seeking an experienced Database Engineer to support enterprise database development, data integration, ETL processes, and modernization initiatives.

The role focuses on optimizing SQL and database performance while migrating data from legacy systems to modern platforms. You will work across complex data environments, collaborating with developers, analysts, architects, and other stakeholders to design, implement, test, and document robust database solutions.