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Senior PostgreSQL Developer / Database Engineer
Chennai · Senior
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What we know about this role
LOW
Sequoia Applied Technologies Inc. is showing limited hiring activity lately. Expect slight delayed response.
First 72 hours
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The first time we've seen this listing - it hasn't been closed and reopened.
Skills required
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Job description
- Design, develop, and maintain robust and scalable PostgreSQL database schemas.
- Write, optimize, and troubleshoot complex SQL queries for high-performance applications.
- Perform query tuning, indexing strategies, and execution plan analysis.
- Manage database performance, identify bottlenecks, and implement improvements.
- Develop and maintain stored procedures and functions.
- Handle database migrations, upgrades, and version control.
- Ensure data integrity, security, and compliance standards are maintained.
- Work closely with application developers to design efficient data models.
- Monitor database health, backups, replication, and disaster recovery processes.
- Implement and manage high availability solutions (replication, clustering).
- Troubleshoot production issues and provide timely resolutions.
- Contribute to CI/CD pipelines for database deployments.
- 6–8 years of hands-on experience with PostgreSQL.
- Strong expertise in database design, normalization, and data modeling.
- Advanced knowledge of SQL and query optimization techniques.
- Experience with performance tuning, indexing, and query planning.
- Familiarity with PostgreSQL internals (vacuuming, indexing, WAL, etc.).
- Experience in backup and recovery strategies.
- Knowledge of replication techniques (streaming, logical replication).
- Proficiency in scripting languages (e.g., Python, Bash) for automation.
- Understanding of transaction management and concurrency control.
- Experience with cloud platforms (AWS RDS, Azure Database for PostgreSQL, GCP).
- Knowledge of partitioning and sharding strategies.
- Exposure to NoSQL databases is a plus.
- Experience working in Linux/Unix environments.
- Experience with monitoring tools (Prometheus, Grafana, pgAdmin, etc.).
- Familiarity with DevOps practices and CI/CD pipelines.
- Understanding of microservices architecture.
- Strong analytical and problem-solving skills.
- Excellent communication and collaboration abilities.
- Ability to mentor junior team members.
- Proactive approach to identifying and solving performance issues.
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