Database Developer

2 days ago

Kuala Lumpur, Kuala Lumpur, Malaysia Ironbook AI Full time 90,000 - 120,000 per year

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).

Malaysian citizens and PR holders encouraged to apply.

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