Arunkumar Kumaresan | Personal Website

About Me

PostgreSQL DevOps Engineer with hands-on experience in database reliability, high availability, automation, and release testing. Passionate about building resilient systems, improving performance, and simplifying complex infrastructure.

Skills

Databases

PostgreSQL, Replication, Backup & Recovery, Performance Tuning

DevOps

Linux, Automation, Monitoring, High Availability

Cloud

AWS, GCP & Infrastructure Fundamentals

Tools

Bash, Git, HAProxy, PgBouncer

Experience & Projects

PostgreSQL DevOps Engineer

Zoho Corporation • 2019 – Present

Designed and maintained PostgreSQL high-availability architectures.
Implemented automated failover and disaster recovery mechanisms.
Handled major PostgreSQL version upgrades and release validation.
Collaborated with engineering teams to improve database performance.

Backup & Recovery Automation

Implemented enterprise-grade backup strategy using pgBackRest.
Conducted regular restore drills to ensure data safety.

Education

Bachelor of Engineering (B.E.) – Electronics & Communication Engineering

SRM TRP Engineering College, Tiruchirappalli

Built strong foundations in electronics, communication systems, computer networks, and problem-solving, later applied to systems and infrastructure engineering.

Contact

Open to opportunities, collaborations, and technical discussions.