Founded in 2016, Katalon is the category leader in AI-augmented software testing, empowering hybrid testers—those blending manual, automation, and AI skills—to deliver exceptional digital experiences. Katalon enables software teams of any size to deliver world-class customer experiences faster, easier, and more efficiently.

Since its first launch, Katalon has experienced tremendous growth, serving more than 30,000 teams across 80+ countries, many of which are in the Fortune Global 500. Katalon has been named a G2 Leader in software testing for 11 consecutive quarters and a Great Place to Work for three consecutive years.

About the role

We are looking for a Senior Database Engineer / DBA to own Katalon’s production database environment, with a primary focus on PostgreSQL / AWS Aurora.

You will manage approximately 10 production database clusters hosting customer data on AWS, working closely with our Engineering team in Vietnam on database performance, reliability, architecture, security, and future upgrades.

We are open to strong Oracle DBA profiles with solid cross-database fundamentals and the ability to work with PostgreSQL/Aurora.

Key Responsibilities

• Manage and maintain production PostgreSQL / AWS Aurora databases.

• Troubleshoot and resolve performance, availability, locking, concurrency, and query issues.

• Perform query tuning, indexing, and database performance optimization.

• Design databases and schemas for new customer workloads.

• Manage high availability, replication, backup/recovery, and failover.

• Monitor database health, capacity, and performance using CloudWatch, Performance Insights, and Enhanced Monitoring.

• Manage database users, roles, permissions, and security controls.

• Plan and execute database upgrades, migrations, and maintenance.

• Partner closely with Engineering teams on database-related requirements and production incidents.

What We're Looking For

• 5+ years of experience in DBA / Database Engineering.

• Strong experience with production database administration and troubleshooting.

• Strong knowledge of performance tuning, SQL, indexing, HA/replication, backup & recovery, and database security.

• Experience with PostgreSQL/Aurora OR Oracle.

• Strong understanding of database architecture and operational best practices.

• Good communication and collaboration skills.

Technology

Primary: PostgreSQL, AWS Aurora, AWS RDS, CloudWatch

Oracle profiles are welcome: Candidates with strong Oracle DBA experience and transferable database fundamentals are encouraged to apply. Experience with PostgreSQL/Aurora or Oracle-to-PostgreSQL migration is a plus.

Nice to Have

• Experience with both Oracle and PostgreSQL.

• AWS database experience.

• Experience supporting customer-facing SaaS production environments.

• Experience in a lean, high-ownership DBA environment.

Job Benefit

At Katalon, we bring together self-starting, open-minded, and talented people while actively promoting a transparent and growth-enabling working environment. But don’t just take our word for it. Take a better look below!

• Total Remuneration: Satisfying your financial goals through competitive compensation and periodic performance bonuses.

• Well-being & Work-life Balance: Staying healthy through comprehensive health plans, flexible work arrangements, and generous paid leaves.

• Statutory Compliance: Labor compliance with local regulations that ensure employee security.

• Work Facilities & Accommodation: Top-notch equipment, supportive allowances, and A-class facilities.

• Diversity, Equity, Engagement, & Inclusion: Becoming part of a global team that celebrates differences, equal opportunity, and meaningful employee recognition.

• Growth & Rewards: Thriving professionally through employee enablement, a culture of trust, and rewarding performance.

Katalon is proud to be an equal-opportunity employer. We care about our people and celebrate our differences. We want to work with talented, collaborative, and innovative people. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other characteristics protected by law.