Note: The job is a remote job and is open to candidates in USA. Eliassen Group is seeking a Senior API Migration Engineer to lead the migration, validation, and optimization of REST APIs from on-prem Exadata to Oracle Database in the cloud. The role includes ensuring compatibility, performance tuning, and coordinating with IT teams on migration strategy.

Responsibilities

• Lead migration and validation of REST APIs from on-prem Exadata to Oracle Database Cloud
• Analyze and remediate API compatibility issues across endpoint changes, authentication mechanisms, and data handling logic
• Execute API testing and validation using Postman and Insomnia
• Optimize API performance within the Oracle Cloud environment
• Update backend queries, stored procedures, and integrations impacted by migration
• Partner with internal IT teams on migration strategy, testing cycles, and release readiness
• Troubleshoot and resolve API defects during validation cycles
• Ensure APIs meet performance, reliability, and security standards post-migration

Skills

• Lead migration and validation of REST APIs from on-prem Exadata to Oracle Database Cloud
• Analyze and remediate API compatibility issues across endpoint changes, authentication mechanisms, and data handling logic
• Execute API testing and validation using Postman and Insomnia
• Optimize API performance within the Oracle Cloud environment
• Update backend queries, stored procedures, and integrations impacted by migration
• Partner with internal IT teams on migration strategy, testing cycles, and release readiness
• Troubleshoot and resolve API defects during validation cycles
• Ensure APIs meet performance, reliability, and security standards post-migration
• 6–10 years of experience in API engineering with a focus on migration work
• Demonstrated experience migrating REST APIs in enterprise environments
• Strong experience with REST API design, testing, and validation
• Experience executing API migration between environments from on-prem to cloud
• Hands-on experience with Postman and/or Insomnia
• Experience with Oracle databases including Exadata and Oracle Database Cloud
• Experience modifying API integrations tied to database changes
• Understanding of authentication mechanisms such as OAuth and token-based methods
• Ability to work in large-scale data environments
• Preferred experience with Oracle Database Cloud migrations, financial services or regulated environments, large-scale data systems, and platform modernization initiatives

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