Database Developer

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