
Senior Database Developer (Oracle to PostgreSQL)
Mactores is the agent-native AWS modernization firm. Most modernization work doesn't ship, it stalls in pilots, slips a year, or lands at three times the budget. We exist to ship it: production systems running, legacy retired, outcomes measured. Our delivery is built on Aedeon, the agent platform built by Mactores' founders' sister company, which absorbs the repetitive 60–70% of engagement work, discovery, dependency mapping, validation, test generation, that traditional consulting bills human hours against. Forward-deployed engineers own the rest: architecture, judgment, and cutover, on dates we commit to in the contract.
We are seeking an experienced Senior Database Developer to lead and support Oracle to PostgreSQL/Aurora PostgreSQL migration initiatives. The role involves deep hands-on work across SQL refactoring, schema conversion, DMS operations, performance tuning, and post–go-live stabilization. The candidate will work closely with application teams, cloud engineers, and stakeholders to ensure a smooth, performant, and compliant migration.
What you will do?
- 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.
What are we looking for?
- 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).
You will be preferred if:
- Familiarity with automation and configuration management tools, such as Ansible, Chef, or Puppet.
- Familiarity with IAAC tools such as Terraform, CloudFormation.
- Familiarity with CI/CD implementation tools like Liquibase/Flyway.
- AWS Certified Database – Specialty.
- AWS Certified Solutions Architect.

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Type: Full-Time
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Job description
Title-Full stack Developers
Job type-Full Time
Skills - Java , Spring Boot , SQL Server , PostgreSQL , MangoDB , Angular Js , Type Script , Microservice Architecture , Kafka , GIT , Git Flow Development , AWS , Azure , APIs , Web Services , CI/CD Pipeline , Agile/SCRUM , DataDog
Location- Hyderabad - Telangana
Experience- 6 to 9 Years
Annual CTC INR : 23 LPA - 28 LPA
Dead Line - 07/04/2025
Job Description
Position: Fullstack Developer
Location: Hyderabad, India
Employment Type: Full-Time
Open Positions: 7
Role Overview:
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Nice to Have:
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Soft Skills & Leadership:
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Interested ppl can share their resume with the following details
Years of experience
Current CTC
Expected CTC
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Are you ready for Relocation
JD Code: SHI-LDE-01
Version#: 1.0
Date of JD Creation: 27-March-2023
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Reporting to: Technical Director
Location: Bangalore Urban, India (on-site)
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This role requires the candidate to translate business and product requirements to build, maintain, optimize data systems which can be relational or non-relational in nature. The candidate is expected to tune and analyse the data including from a short and long-term trend analysis and reporting, AI/ML uses cases.
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Required
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