Database Engineer
New
R
Ruby LabsFintech
Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET., CET +/- 4 hoursContractMiddle
Salary not disclosed
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Job Details
- Required Skills
- PostgreSQLClickhouse
Requirements
- Strong hands-on experience with PostgreSQL in production
- Experience managing large databases (hundreds of millions of rows or more)
- Solid understanding of indexing strategies, query planners, and execution paths
- Strong understanding of transactions, isolation levels, and locking
- Experience working with AWS-based infrastructure, ideally AWS Aurora
- Ability to independently investigate and resolve complex performance issues
Responsibilities
- Own and operate AWS Aurora (PostgreSQL) in a high-load production environment
- Design and evolve schemas for large transactional domains (payments, customers, subscriptions, events)
- Implement and maintain table partitioning strategies and advanced indexing
- Handle databases with millions of new records per month while maintaining predictable performance
- Analyze and optimize slow queries, lock contention, and autovacuum issues
- Design high-performance search solutions for internal CRM tools
- Work with event and log data pipelines including Tinybird/ClickHouse
- Define and monitor database health metrics
- Plan and execute safe schema changes and migrations on large tables
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