[Remote] Senior API Migration Engineer (REST APIs – Cloud Migration)
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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