SQL Developer

Remote

Firebird is an international online travel company that organizes trips to Europe for customers from around the world.

• Service for booking rail tickets https://rail.ninja
• Online trip builder https://triptile.com
• Service for booking hotels https://hotel.ninja/

About the Project
We are developing a high-load train scheduling system that processes large volumes of real-time railway route data. The system is built on MariaDB and includes complex logic for caching, task queue processing, and query optimization.

Technical Skills

• 5+ years of experience with MariaDB/MySQL and a deep understanding of database architecture and optimization
• Expert-level SQL knowledge (complex queries, window functions, CTEs, subqueries)
• Experience developing stored procedures and functions in MySQL/MariaDB
• Proficiency in performance optimization of queries and database schemas
• Strong understanding of indexing and optimization strategies for large datasets
• Experience with Flyway or similar database migration tools
• Knowledge of Linux/Unix and bash scripting for automation