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Mactores

Mactores is a trusted leader among businesses in providing modern data platform solutions.

Senior Database Developer, Oracle, PostgreSQL

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 51-200Since 2008H1B No SponsorCompany SiteLinkedIn

Location

India

Posted

138 days ago

Salary

0

Seniority

Senior

Bachelor Degree5 yrs expEnglishAWSOracle DatabasePostgreSQLSQL

Job Description

Senior Database Developer, Oracle, PostgreSQL

Mactores

• Refactor and convert Oracle SQL, PL/SQL, and database objects to PostgreSQL-compatible SQL/PLpgSQL. • Analyze and remediate AWS SCT (Schema Conversion Tool) findings and limitations. • Manage and maintain Flyway migration codebase (versioned scripts, repeatable migrations, rollbacks). • Identify, troubleshoot, and fix database-related application bugs. • Perform query optimization for PostgreSQL (execution plans, indexing strategies, query rewrites). • Support and monitor AWS DMS during full load and CDC phases. • Diagnose and resolve DMS data and performance issues. • Perform data validation and reconciliation between Oracle and PostgreSQL. • Collaborate with application teams to align SQL behavior and performance expectations.

Job Requirements

  • Bachelor's degree in Computer Science or a related field.
  • 5+ years of experience as an Oracle/PostgreSQL DBA and database developer.
  • Strong experience with Oracle Database and PostgreSQL / Aurora PostgreSQL.
  • Hands-on expertise in Oracle to PostgreSQL migration.
  • Advanced SQL and query performance tuning skills.
  • Experience with AWS SCT and AWS DMS.
  • Knowledge of Flyway/Liquibase or similar schema migration tools.
  • PostgreSQL internals: indexing, statistics, execution plans.
  • AWS services: RDS/Aurora, CloudWatch, IAM (preferred).

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