Principal Query Engine Engineer (SQL)

TL;DR

Principal Query Engine Engineer (SQL): Leading the design and optimization of high-performance query processing systems with an accent on SQL engine development, query planning, and cost-based optimization. Focus on mentoring engineering teams and driving architectural decisions for complex database challenges.

What you will do

• Contribute actively to query engine and related open source projects as a core contributor.
• Design and optimize SQL engines for high-performance query processing systems.
• Architect advanced query planning algorithms to maximize execution efficiency.
• Lead cost-based optimization initiatives to enhance overall query performance.
• Drive execution engine development for scalable and distributed data processing.
• Mentor engineering teams and provide technical leadership across projects.

Requirements

• 10+ years of experience in software development.
• Strong expertise in SQL engine development and query processing systems.
• Deep understanding of advanced query planning and cost-based optimization techniques.
• Proficiency in execution engine architecture and implementation.
• Proven experience with indexing strategies and large-scale database performance optimization.
• Core contributions to Apache open source projects (Spark, Trino, Hive, or similar).
• Advanced level of English.