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Firebolt Logo Firebolt · IT - Software Development

Software Engineer, Query Processing

Germany, Munich 80000.00 - 100000.00 EUR / Year · Job Posted January 19, 2026
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Job Description

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

Job Responsibility

  • 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

Requirements

  • Bachelor’s/Master’s/PhD in Computer Science, Engineering, or a related field or equivalent experience
  • Experience working with C++ on production software
  • Fluency in modern C++ (C++11 and above, our codebase uses C++20)
  • Experience building multi-threaded, high-performance systems
  • Experience with database internals and query processing
  • Experience developing for Linux

Nice to have

  • 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

What we offer

  • Eligible to participate in our commission plan
  • Incentive Stock Options (ISOs), subject to a four-year vesting schedule with a one-year cliff
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