Software Engineer, Query Processing

About the role

Firebolt is building a team of talented developers to work on our distributed query processing engine and storage layer.

As part of our growing team here in Munich, you can have a major impact on Firebolt’s product. We are focused on improving the performance of and extending our vectorized query engine which sits at the heart of our product.

Our projects range from building indexes on top of cloud storage, expanding support for semi-structured data, supporting Python UDFs, integration with AI inference engines, improving distributed query processing, all the way to collecting detailed statistics for our cost-based query optimizer. If these challenges sound exciting, we would love to hear from you!

• Design, build, and maintain our cutting-edge query processing and optimization engine.
• Help shape how Firebolt supports open table formats like Iceberg, ensuring correctness, performance, and future extensibility.
• Participate in design discussions, code reviews, and performance investigations across the query processing team.
• Partner with engineers across Firebolt to deliver well-integrated, high-performance query execution features.

• Bachelor’s/Master’s in Computer Science, Engineering, or a related field or equivalent experience.
• Experience working with modern C++ on production software (our codebase uses C++20).
• Experience building multi-threaded, high-performance systems.
• Experience with database internals and query processing.

• Strong background in database internals.
• Experience writing high-performance code for network access, SSD access, or CPU-heavy computation.
• Experience building large-scale systems.
• Experience with distributed systems or distributed query processing.

The actual compensation package will be determined based on the candidate’s qualifications, experience, and geographic location and may vary within the stated range.