DBAEngineering

Sabuj Khandokar

Database Administrator

“Zero tolerance for data loss. Maximum performance at every scale.”

sabuj@zafsoft.com

50%

Query Speed Gain

Data Loss Incidents

99.99%

DB Availability

Multi-region

Replication Setup

Database Administrator

About

Enterprise database specialist ensuring zero data-loss, maximum performance, and enterprise-grade security across all SaaS tenants.

“Data is not just storage — it's the memory of your business. Protect it like your life depends on it.”

Skills & Expertise

Databases

PostgreSQLMySQLRedisMongoDBSupabase

Operations

DB ReplicationHigh AvailabilityShardingPartitioning

Security

Encryption at RestAccess ControlAudit LoggingCompliance

DevOps

Automated BackupsDisaster RecoveryMonitoringDocker

Key Projects

ZafSoft Multi-Tenant Data Layer

Zero downtime across all tenants

High-availability PostgreSQL architecture with row-level tenant isolation, automated backups, read replicas, and real-time performance monitoring.

PostgreSQLRedisDockerpgBouncerCelery

Enterprise Disaster Recovery System

RPO < 5 minutes guaranteed

Automated backup and point-in-time recovery infrastructure tested quarterly — ensuring enterprise clients meet GDPR and ISO data retention requirements.

PostgreSQLLinuxBash AutomationAWS S3

Highlights

Designed and automated DB backup systems for all ZafSoft multi-tenant SaaS deployments
Optimized critical query execution times by 50% across legacy and modern systems
Implemented multi-region database replication for 3 enterprise clients
Zero data-loss record maintained across all ZafSoft production deployments
Built database monitoring stack with real-time alerting for SLA compliance