Software Engineer – Query Execution

About the role

Dremio’s Query Execution team builds the runtime that executes analytical queries at scale. As a Software Engineer you will contribute to the core execution engine, working on query operators, expression evaluation, memory management and scheduling.

Key responsibilities

• Implement, test, debug and maintain query operators, expression evaluation, execution scheduling and resource management components.
• Write clean, maintainable Java code, add unit and integration tests, and follow engineering best practices for code review and documentation.
• Diagnose query correctness, reliability and performance issues using profiles, logs, telemetry and benchmarks.
• Collaborate with senior engineers and partner teams to break down requirements into manageable tasks and deliver incremental improvements.

Required profile

• Up to two years of professional software development experience or equivalent experience through internships, coursework or personal projects.
• Proficiency in Java or another object‑oriented language and willingness to work in a large Java codebase.
• Solid understanding of data structures, algorithms and basic concurrency concepts.
• Strong problem‑solving skills, quality mindset and ability to communicate progress and blockers.
• Bachelor’s degree in Computer Science or related technical field, or equivalent practical experience.

Required skills

• Java
• C++
• Apache Arrow
• Parquet
• Apache Iceberg
• Apache Spark
• Hadoop
• Cloud object stores