Database Architect

1 day ago

bangalore, India Zzazz Full time

Key Responsibilities

  • Design, deploy, maintain, and monitor production-grade databases across NoSQL and RDBMS environments.
  • Optimize database performance, query execution, and indexing strategies for large-scale datasets.
  • Set up and manage replication, sharding, clustering, and backups for MongoDB and Elasticsearch.
  • Configure PostgreSQL with custom parameters for tuning, connection pooling, WAL archiving, and recovery.
  • Ensure high availability and disaster recovery strategies are in place and regularly tested.
  • Monitor database health using tools like Prometheus/Grafana, Kibana, or custom scripts.
  • Implement security best practices including access controls, encryption (TLS at rest/in transit), and auditing.
  • Work closely with DevOps and Development teams to support application performance and deployment cycles.
  • Write and maintain automation scripts using Bash, Python, or Ansible for provisioning and maintenance.
  • Plan and execute major version upgrades and migrations with minimal downtime.
  • Document configurations, architecture decisions, and standard operating procedures.Required Skills & Qualifications
  • 3-5 years of experience as a DBA or similar role managing MongoDB, Elasticsearch, and PostgreSQL.
  • Solid understanding of data modeling principles across both NoSQL and SQL paradigms.
  • Experience with replica sets, indexes, and aggregation pipelines in MongoDB.
  • Expertise in Elasticsearch cluster management, index lifecycle policies (ILM), and query DSL. Proficiency in managing PostgreSQL installations, including roles, extensions (e.g., PostGIS, pg_stat_statements), and vacuuming strategies.
  • Familiarity with Docker, Kubernetes, or other container platforms for DB deployment.
  • Experience with infrastructure provisioning tools (e.g., Ansible, Terraform) is a plus.
  • Strong analytical and problem-solving skills with a detail-oriented mindset.
  • Comfortable in fast-paced environments with strong time management.


Preferred Qualifications

  • PostgreSQL certification or equivalent experience.
  • MongoDB DBA Certification or similar.
  • Experience with TimescaleDB, Redis, ClickHouse, or other database technologies.
  • Familiarity with CI/CD pipelines and infrastructure as code (IaC).
  • Experience working in cloud platforms like AWS, GCP , or DigitalOcean.

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