Senior Database Engineer (PostgreSQL)

TL;DR

Senior Database Engineer (PostgreSQL): Designing, operating, and optimizing high-volume databases for a payments environment with an accent on owning and scaling AWS Aurora (PostgreSQL) infrastructure. Focus on analyzing and optimizing complex queries, managing large transactional domains, and ensuring data integrity and consistency for financial workflows.

Location: Remote from Croatia, Bulgaria, Latvia, Lithuania, Moldova, Slovenia, Serbia, Czech Republic, Montenegro, Hungary, Bosnia, Georgia, Greece, Romania, Turkey, or South Africa. Applicants must be located within approximately ± 4 hours of CET for optimal collaboration.

Company

hirify.global is a leading tech company that creates and operates innovative consumer products across health, education, and entertainment industries.

What you will do

• Own and operate AWS Aurora (PostgreSQL) in a high-load production environment.
• Design and evolve schemas for large transactional domains, implementing partitioning and advanced indexing.
• Analyze and optimize slow queries, resolve performance bottlenecks, and proactively prevent regressions.
• Design high-performance search solutions for internal CRM tools and work with analytical data pipelines.
• Ensure data integrity and consistency in financial workflows, monitor database health, and plan schema changes.

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, transactions, isolation levels, and locking.
• Experience working with AWS-based infrastructure, ideally AWS Aurora.
• Ability to independently investigate and resolve complex performance issues.
• Located within approximately ± 4 hours of CET.

Nice to have

• Experience in payments, billing, fintech, or financial systems.
• Familiarity with analytical databases (ClickHouse, Tinybird, or similar).
• Experience designing data models for multi-tenant systems.
• Understanding of event-driven architectures and data pipelines.
• AWS certifications.

Culture & Benefits

• Remote work environment with unlimited paid time off and national holidays.
• Company-provided MacBook for seamless productivity.
• Flexible Independent Contractor Agreement offering autonomy and entrepreneurial opportunities.
• High-talent, fully remote engineering organization valuing ownership and technical excellence.
• Opportunity to work on real scale, real money, and real impact within a fast-growing team.

Hiring process

• Application review (3-5 days).
• Recruiter Screening (40 minutes).
• Technical Interview (60 minutes).
• Final Interview (30 minutes).