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Senior Software Engineer – Database Optimizer

Location

Europe

Posted

47 days ago

Salary

€6.5K - €9K / month

Seniority

Senior

Job Description

Senior Software Engineer – Database Optimizer

CAST AI

Role Description CAST AI is seeking a skilled senior software engineer with expertise in databases and interest in understanding the underlying technology that makes them work. Knowledge of implementation details around transactions, wire protocols, WAL, indexes, query planning, and other fundamental database features will enable you to build a product that automates what's traditionally been manual and complex. You will work on a greenfield project with high impact, creating intelligent systems that make database optimization effortless for our customers. This is a location-specific opportunity. We are currently accepting applications from candidates residing in the following European countries: - Bulgaria - Croatia - Estonia - Greece - Hungary - Latvia - Lithuania - Poland - Romania - Slovakia - Slovenia - Ukraine Qualifications - Experience working with and troubleshooting PostgreSQL and/or MySQL in production environments. - Experience troubleshooting database-related issues in one of your previous roles—whether as a DBA, backend engineer, SRE, or any position where you've debugged slow queries, optimized indexes, or resolved production database problems. - Strong programming skills in Go and/or C++. - Strong problem-solving skills and the ability to troubleshoot complex issues in a production environment. - Strong written and verbal communication skills in English. - Ability to work independently and collaboratively within a team. - Startup mindset: adaptable, proactive, and comfortable with ambiguity. - A proactive, problem-solving mindset with a "yes we can" attitude. Requirements - Design, build, and operate database optimization services in Go and C++. - Develop features for query analysis, index recommendations, and automated performance tuning that deliver measurable database cost savings. - Extend and maintain integrations with PostgreSQL and MySQL protocols, cloud database services (RDS, Cloud SQL, Azure Database). - Implement query parsing, plan analysis, and recommendation algorithms that identify optimization opportunities. - Develop monitoring and alerting systems for database performance metrics, connection health, and cost tracking. - Shape public and internal APIs with an eye for simplicity and developer experience. - Participate in design reviews, code reviews, and occasional customer deep-dives. Benefits - Competitive salary (€6,500 - €9,000 gross, depending on the level of experience). - Enjoy a flexible, remote-first global environment. - Collaborate with a global team of cloud experts and innovators, passionate about pushing the boundaries of Kubernetes technology. - Equity options. - Private health insurance. - Get quick feedback with a fast-paced workflow. Most feature projects are completed in 1 to 4 weeks. - Spend 10% of your work time on personal projects or self-improvement. - Learning budget for professional and personal development - including access to international conferences and courses that elevate your skills. - Annual hackathon to spark new ideas and strengthen team bonds. - Team-building budget and company events to connect with your colleagues. - Equipment budget to ensure you have everything you need. - Extra days off to help maintain a healthy work-life balance.

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