Assistant Lead Engineer - Database Developer (Software Development) (Ref 26357) at JOBLINE RESOURCES PTE. LTD. – Singapore | Jobyssey

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

• Excellent problem-solving and troubleshooting skills

• Ability to work independently and collaboratively in a team

• Effective communication and documentation skills

• 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

Explore more jobs