DataBase Administrator

Plata Card is seeking a Senior Database Administrator to join their Cloud Services Team. In this role, you will architect, optimize, and manage large-scale, high-performance database systems across multiple technologies and cloud environments, ensuring reliability, scalability, and security of mission-critical databases.

• Architect and optimize database infrastructures to support large-scale, high-traffic workloads
• Administer and maintain clusters across AWS Aurora (PostgreSQL), MongoDB, Scylla, Redis, and ClickHouse
• Design and operate backup, recovery, and disaster recovery strategies, ensuring business continuity
• Automate operational processes, including scaling, monitoring, and maintenance, using infrastructure-as-code (Terraform, OpenTofu, CloudFormation), Ansible, Gitlab CI
• Optimize performance at every layer: schema design, query execution, indexing, caching, and storage
• Configure and manage replication and sharding strategies for high availability, fault tolerance, and geo-distribution
• Ensure compliance with SOC 2, HIPAA, GDPR, and enforce database security best practices
• Partner with engineering teams to design robust data solutions and provide mentorship to junior DBAs

• 5+ years of hands-on experience as a DBA in production-grade, distributed environments
• Deep knowledge of Aurora (PostgreSQL), MongoDB or Scylla
• Proven expertise in managing databases across major cloud platforms (Amazon Web Services, Google Cloud Platform, Yandex Cloud) and specialized Database as a Service (DBaaS) offerings like MongoDB Atlas
• Advanced expertise in SQL query tuning, schema optimization, and indexing strategies
• Strong experience with replication, partitioning, and clustering in high-availability systems
• Proficiency in backup, restore, and failover mechanisms in multi-AZ and multi-region setups
• Solid skills in automation and scripting (Python, Bash, Go)
• Familiarity with Kubernetes-based deployments and modern observability stacks (Prometheus, Datadog, AWS CloudWatch)
• Experience with IaC tools (Terraform, OpenTofu, CloudFormation) - bonus skill

• Relocation support to Mexico, Serbia, Cyprus, Kazakhstan with full visa & permit support to the employee and family
• Flexible work from one of our offices or remote
• Healthcare Coverage
• Education Budget: Language lessons, professional training and certifications
• Wellness Budget: Mental health and fitness activity reimbursements
• Vacation policy: 20 days of annual leave and paid sick leave