Senior Software Engineer (Database Optimization)

Location: Remote-first; currently open to candidates residing in Bulgaria, Croatia, Estonia, Greece, Hungary, Latvia, Lithuania, Poland, Romania, Slovakia, Slovenia and Ukraine.

Salary: €6,500–€9,000 gross per month, depending on experience and level.

Company

hirify.global develops an automation platform that optimizes cloud and AI infrastructure at scale through autonomous decision-making in Kubernetes and cloud environments.

What you will do

• Design, build and operate the high-performance Rust Database Gateway, including caching and rate limiting.
• Develop Go and Rust services for the autonomous database administration product.
• Build the Database Agent recommendation engine for index suggestions, query analysis and query improvements.
• Design cache invalidation, data consistency and safe validation methods for database recommendations.
• Debug production issues and analyze database performance, query behavior and workload patterns.
• Contribute to architecture, technical direction, product decisions and the engineering roadmap.

Requirements

• Strong software engineering fundamentals, clean abstractions and maintainable code.
• Professional experience building production services in Go.
• In-depth knowledge of PostgreSQL or MySQL, including database clients, drivers and wire protocols.
• Strong debugging, optimization and performance-tuning skills.
• Experience with query profiling, index design and database tuning beyond ORM usage.
• Experience taking a complex technical project from design through production.
• Strong written and spoken English.
• Proactive, adaptable and comfortable working with ambiguity and contributing to technical direction.

Nice to have

• Rust experience, especially with high-performance network services or proxies.
• Experience building or extending database proxies, gateways or poolers.
• Experience designing cache invalidation strategies at scale.
• Experience with index recommendation, query-plan analysis or query optimization tooling.
• Experience validating changes through workload replay, shadow traffic or benchmarking.
• Production experience with Prometheus, Grafana or OpenTelemetry.
• Experience with Kubernetes and cloud infrastructure.

Culture & Benefits

• Remote-first environment with a global team of cloud and infrastructure specialists.
• Equity options, additional days off and an equipment budget.
• 10% of working time for personal projects or professional development.
• Annual learning budget, including conferences and courses.
• Annual hackathon, team-building budget and company events.
• Fast feedback and short delivery cycles, with feature projects often completed within one to four weeks.

Hiring process

• Recruiter screening call, Hiring Manager interview, technical system design interview, live coding interview and executive culture interview.
• A background check may be conducted at the final stage through Checkr.
• Visa sponsorship and work permits are not provided.