Assistant Lead Engineer - Database Developer (Sql) (Ref 26357)
Posted on April 9, 2026 by Jobline Resources Pte Ltd
- Robertsganj, Singapore
- N/A
- fulltime, contract
Responsibilities
- Lead migration and conversion of on-premises / cloud databases (MSSQL, Oracle) to PostgreSQL on cloud-managed database services
- Design, develop, and optimize SQL queries, stored procedures, triggers, and functions in at least one of: MSSQL, Oracle, or PostgreSQL
- Collaborate with application teams to ensure seamless integration, data integrity, and minimal downtime during migrations
- Ensure database code meets performance, security, and coding standards
- Diagnose and resolve performance bottlenecks (query plans, indexing, I/O, memory utilization)
- Implement indexing strategies, partitioning, and query optimization techniques tailored to MSSQL, Oracle, or PostgreSQL on cloud-managed platforms
- Monitor and fine-tune performance post-migration using native cloud tools
- Configure and manage cloud-managed database services across AWS and Azure for MSSQL, Oracle, and PostgreSQL workloads
- Implement backup, recovery, and disaster recovery strategies aligned to RPO/RTO objectives
- Design and support high availability and scalability patterns
- Enforce security (encryption, IAM roles, least privilege) and governance best practices
- Maintain migration runbooks, schema mappings, and conversion logic
- Produce reports on migration progress, performance metrics, and cost optimization
- Communicate updates and risks clearly to stakeholders
- Implement database security policies and access controls
- Stay current with security threats and apply patches/updates as needed
Requirements
- Bachelor’s degree in computer science or a related field with 8–10 years of experience in database development and migration for MSSQL, Oracle, and PostgreSQL
- Must have hands-on experience as a database developer with strong skills in SQL programming
- Proficiency in SQL, T-SQL, PL/SQL, and scripting languages
- Strong understanding of database design principles
- Experience with database performance tuning and optimization
- Knowledge of database security and compliance requirements
- Exposure to database administration tasks on MSSQL, Oracle, or PostgreSQL is preferable
- 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 database 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, virtualization) 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
- Certifications in MSSQL, Oracle and PostgreSQL database developer
- Experience with cloud-based database services (e.g., AWS RDS, Azure Database)
- Experience on database migration and replication technologies
Licence no: 12C6060
Job Types: Full-time, Contract
Pay: Up to $9,000.00 per month
Work Location: In person
Advertised until:
May 9, 2026
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