Senior Database Architect/Developer

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.

-         10+ 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).