Job Description

We are seeking a Senior Database Developer with Oracle DBA expertise . This role focuses on MSSQL, Oracle, and PostgreSQL database programming. The engineer will work closely with Senior Application DBAs and application teams to manage and implement database deliverables, ensuring high-quality migration and development in cloud-managed environment.

This is a 2 years Direct Contract with Synapxe.

Role & Responsibilities

• Lead migration and conversion of on-premises and cloud databases (MSSQL, Oracle) to PostgreSQL on cloud-managed database services, ensuring seamless integration, data integrity, and minimal downtime.
• Design, develop, and optimise SQL queries, stored procedures, triggers, and functions in at least one of MSSQL, Oracle, or PostgreSQL, ensuring code meets performance, security, and coding standards.
• Diagnose and resolve performance bottlenecks related to query plans, indexing, I/O, and memory utilisation, implementing optimisation techniques tailored to cloud-managed platforms.
• Configure and manage cloud-managed database services across AWS and Azure, designing high availability, scalability, and disaster recovery strategies aligned to RPO/RTO objectives.
• Enforce database security policies including encryption, IAM roles, and least privilege access, and stay current with security threats and patches.
• Maintain migration runbooks, schema mappings, and conversion logic, and produce reports on migration progress, performance metrics, and cost optimisation.
• Communicate updates, risks, and technical findings clearly to both technical and business stakeholders.

Requirements

• 8–10 years of experience in database development and migration for MSSQL, Oracle, and PostgreSQL.
• Proven experience in database conversion from MSSQL and Oracle to PostgreSQL in cloud environments.
• Strong knowledge of database architecture, design principles, and performance tuning.
• Hands-on experience with cloud-managed database services (AWS RDS/Aurora, Azure SQL Database, Azure Database for PostgreSQL).
• Experience with data migration and movement tools, including on-premises tools (e.g., Backup utilities, Data Pump) and cloud services (e.g., AWS DMS, AWS Glue, AWS Athena).
• Familiarity with DevOps tools and automation for database deployments (PowerShell, Git, CI/CD pipelines).
• Understanding of cloud infrastructure components (networking, load balancers, virtualisation) and commercial cloud platforms (AWS, Azure).
• Experience supporting high-availability production systems in cloud environments is advantageous.
• Software development experience in any programming language is a plus.
• Strong analytical and critical thinking skills with a service excellence attitude.
• Ability to work independently and collaboratively with Senior Application DBAs and application teams.
• Excellent verbal and written communication skills for interaction with technical and business stakeholders

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