What are the responsibilities and job description for the PostgreSQL Developer / Database Engineer position at HCL Global Systems?
Role Description
The PostgreSQL Developer / Database Engineer will be responsible for designing, developing, optimizing, and supporting enterprise-scale PostgreSQL database solutions. The role requires expertise in database architecture, performance tuning, high availability, data integration, cloud database platforms, and database security.
Responsibilities
• Design and maintain scalable PostgreSQL database solutions.
• Develop logical and physical data models, including normalization, denormalization, and partitioning strategies.
• Develop and optimize complex SQL and PL/pgSQL code.
• Analyze execution plans and troubleshoot database performance issues.
• Implement indexing strategies and database performance tuning.
• Design and support high availability, replication, backup, recovery, and disaster recovery solutions.
• Administer and monitor PostgreSQL environments using standard PostgreSQL tools.
• Support data quality, governance, metadata management, and data lineage initiatives.
• Develop and support ETL/ELT processes, CDC solutions, and event-driven data pipelines.
• Integrate PostgreSQL with applications, APIs, and microservices.
• Support cloud-hosted PostgreSQL environments and infrastructure automation.
• Implement database security, auditing, encryption, and compliance controls.
Required Skills
• PostgreSQL
• Data Modeling
• SQL
• PL/pgSQL
• Common Table Expressions (CTEs)
• Window Functions
• Stored Procedures
• Views
• Materialized Views
• Execution Plan Analysis
• Performance Tuning
• B-Tree Indexes
• Hash Indexes
• GIN Indexes
• GiST Indexes
• BRIN Indexes
• VACUUM Optimization
• Statistics Management
• Memory Tuning
• Streaming Replication
• Logical Replication
• Failover
• Disaster Recovery
• Read Replicas
• Backup and Recovery
• pgAdmin
• psql
• pg_dump
• pg_restore
• WAL Management
• Metadata Management
• Data Lineage
• Data Profiling
• Data Validation
• Data Reconciliation
Skills: PostgreSQL ~ Database Technology