Senior Database Administrator (PostgreSQL and MySQL Focus)

Location: Ukraine (UA)

Experience Level: Middle

Description

We are seeking a Senior Database Administrator with strong expertise in PostgreSQL and MySQL to join our team. The ideal candidate is a hands-on professional capable of designing, deploying, maintaining, and optimizing highly available and scalable database systems. Experience with additional database technologies such as SQL Server and MongoDB is a strong advantage.

This role also involves working with cloud-native database services across providers such as AWS, Google Cloud, or Azure. Candidates with database migration experience will be given preference.

Key Responsibilities:

• Design, configure, and maintain PostgreSQL and MySQL databases in production environments
• Ensure high availability, disaster recovery, and performance optimization of database systems
• Perform database migrations (on-premises to cloud and cross-cloud environments)
• Troubleshoot and resolve database issues across development, testing, and production environments
• Implement database monitoring, backup strategies, and security best practices
• Collaborate with development, DevOps, and data teams on schema design, query tuning, and ETL pipelines
• Participate in capacity planning, cost optimization, and automation initiatives
• Document database systems, configurations, procedures, and runbooks

Requirements

Required Qualifications:

• 3+ years of hands-on experience with PostgreSQL in production environments
• 3+ years of experience with MySQL
• Experience with at least one public cloud platform (AWS, GCP, or Azure), including managed database services (e.g., RDS, Cloud SQL)
• Strong SQL skills with a solid understanding of indexing, query optimization, and partitioning
• Proven knowledge of backup & recovery strategies, replication, and high-availability configurations
• Proficiency in scripting and automation (e.g., Bash, Python, Ansible)
• Experience supporting database migration projects (e.g., PostgreSQL to cloud, MongoDB to Atlas, SQL Server upgrades)

Advantageous Qualifications:

• Familiarity with MongoDB, SQL Server, Neo4j, or other NoSQL databases
• Experience with ETL tools, BigQuery, or data warehousing concepts
• Relevant certifications (PostgreSQL, MySQL, AWS, GCP, or Azure)
• Exposure to DevOps practices and infrastructure-as-code tools