Sepenuh Masa Senior Database Developer – DB2 to AWS Aurora PostgreSQL Migration Jobs, in ICREST Kuala Lumpur - Maukerja

Job Summary:

We are seeking an experienced Senior Database Developer with deep expertise in DB2 databases and proven experience in migrating on-premises databases to AWS RDS Aurora PostgreSQL. The ideal candidate will play a key role in modernizing our database infrastructure, leading large-scale migrations, and ensuring data integrity, performance, and scalability throughout the process.

Key Responsibilities:

• Lead the end-to-end migration of IBM DB2 databases from on-premises environments to AWS RDS Aurora PostgreSQL.
• Design, implement, and optimize database schemas and migration strategies for performance and reliability.
• Work closely with cloud architects, application developers, and DevOps teams to ensure smooth data transitions.
• Develop scripts and tools to automate data conversion, transformation, and validation processes.
• Assess existing database structures and suggest improvements to align with AWS best practices and PostgreSQL standards.
• Monitor and tune database performance post-migration.
• Troubleshoot complex migration issues and data anomalies.
• Ensure security, compliance, and data governance standards are met throughout the migration lifecycle.
• Create detailed documentation including migration plans, data mappings, and rollback strategies.
• Provide guidance and mentorship to junior database engineers as needed.

Required Qualifications:

• Bachelor’s or master’s degree in computer science, Information Systems, or related field.
• 7+ years of experience in database development and management.
• Strong hands-on experience with IBM DB2 database architecture and administration.
• Proven experience in migrating DB2 databases to AWS RDS Aurora PostgreSQL.
• Expertise in PostgreSQL development, including stored procedures, functions, indexing, and performance tuning.
• Proficient in ETL tools, data transformation, and scripting languages (Python, Shell, or equivalent).
• Familiarity with AWS services such as DMS (Database Migration Service), Schema Conversion Tool, RDS, and Aurora.
• Strong understanding of data modelling, normalization, and database optimization techniques.
• Excellent problem-solving skills and attention to detail.
• Strong verbal and written communication skills.

Preferred Qualifications:

• AWS Certification (e.g., AWS Certified Database – Specialty, AWS Certified Solutions Architect).
• Experience with CI/CD practices and infrastructure as code (Terraform, CloudFormation).
• Familiarity with DevOps tools and concepts (e.g., Git, Jenkins, Ansible).