Database Developer

3 weeks ago

Mumbai Maharashtra India, Maharashtra SID Global Solutions Full time

Job Title : PostgreSQL Developer

Job Location : Mumbai

Job Typer : Permanent

Experience : 4-6 Years


Someone who can join within 15-20 Days.


Mandatory:

Postgres DB / Timeseries DB(QuestDB). Strong knowledge in Indexing, Portioning, Performance Optimization etc.



We are seeking a skilled PostgreSQL DBA with deep expertise in PostgreSQL to design, optimize, and manage complex database systems, particularly with large-scale and time-series data workloads. The ideal candidate will have experience in performance tuning, high availability configurations, query optimization, and cloud database operations.


Key Responsibilities:

  • Design and manage PostgreSQL clusters (single and replica setups)
  • Work with partitioning and indexing strategies for large datasets
  • Write and optimize complex time-based queries and work with time-series databases
  • Configure and manage WAL buffers, checkpoint settings, and WAL retention for durability and recovery
  • Implement database failover handling and recovery mechanisms during data transfers
  • Conduct query tuning and performance analysis using real-world metrics
  • Manage database partitioning without relying on enterprise versions
  • Work with cloud-based DB deployments (AWS RDS, GCP, Azure, etc.)
  • Maintain and scale database indexing as data size grows beyond predefined thresholds


Required Skills:

  • Strong hands-on experience with PostgreSQL (including WAL, replication, clustering)
  • Proficiency in Docker and containerized database environments
  • Experience with time-series databases (e.g., TimescaleDB or native Postgres)
  • Deep understanding of query performance tuning techniques
  • Familiarity with WAL (Write Ahead Log), checkpointing, and buffer management
  • Knowledge of cloud-native DB services and backup/restore strategies
  • Ability to handle high availability and failover scenarios

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