Database Developer

3 days ago


Kolkata, West Bengal, India Nirmal Business Solutions Full time ₹ 9,00,000 - ₹ 12,00,000 per year

What You'll Do

  • Design, implement, and maintain PostgreSQL databases running on AWS (RDS / EC2 / Aurora).
  • Optimize database performance, write and tune complex SQL queries, indexes, and stored procedures.
  • Ensure database availability, reliability, security, and performance.
  • Manage data migrations, backups, and disaster recovery strategies.
  • Collaborate with backend developers, DevOps, and product teams to align database design with application needs.
  • Monitor database health and usage trends; proactively address performance bottlenecks.
  • Automate database maintenance tasks where possible (e.g., backups, patching, scaling).
  • Implement data governance, security, and compliance best practices.

What We're Looking For

  • 3+ years of hands-on experience with PostgreSQL, especially in high-availability environments.
  • Experience managing PostgreSQL on AWS (RDS, Aurora, or EC2).
  • Strong SQL skills with experience in writing complex queries, performance tuning, and query optimization.
  • Solid understanding of database design, normalization, indexing, and transaction management.
  • Familiarity with cloud infrastructure and DevOps tools (CloudWatch, Terraform, Ansible, CI/CD pipelines, etc.).
  • Experience with data backup, restore, replication, and disaster recovery strategies.
  • Proficiency in scripting (e.g., Python, Bash) for automation.
  • Excellent problem-solving and communication skills.


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