Senior Platform Engineer: PostgreSQL & Cassandra

Mastercard; Dublin; On-site; EUR 120,000 - 180,000; Full time

Job summary

Mastercard in Dublin seeks a Lead Platform Engineer with deep PostgreSQL and Cassandra experience. You will design, build, automate, and operate mission-critical database platforms while guiding reliability and cloud adoption.

The role emphasizes performance, security, and incident response, with collaboration across infra, dev, and security teams. Leadership and strong communication are essential.

Qualifications

• 5+ years of database administration, engineering, or platform engineering experience.
• Strong expertise in PostgreSQL and Cassandra in production environments.
• Experience in automation, scripting, and DevOps practices.

Responsibilities

• Build, administer, and support PostgreSQL and Cassandra databases at scale.
• Collaborate with security, architecture, and development teams for reliability.
• Develop automation for DB operations and CI/CD pipelines.

Job description

Mastercard in Dublin seeks a Lead Platform Engineer with deep PostgreSQL and Cassandra experience. You will design, build, automate, and operate mission-critical database platforms while guiding reliability and cloud adoption.

The role emphasizes performance, security, and incident response, with collaboration across infra, dev, and security teams. Leadership and strong communication are essential.