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Software Engineer, Query Execution

MongoDB· Query Execution Team
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Hybrid (France)Full-timePosted 5d ago

About the role

Software engineers to develop a high performing, reliable, and modular distributed query system. Focus on execution algorithms, new query language features, performance tuning, and integration with other products and tools. Role can be based remotely in France.

Responsibilities

  • Understand and improve current functionality of the MongoDB query engine
  • Contribute high quality C++ code and give and solicit feedback in code reviews
  • Identify, design, implement, test, and support new features related to query performance and robustness, query language enhancements, diagnostics for query performance problems, and integration with other products and tools
  • Work constructively with peers to deliver excellent technical solutions

Qualifications

  • 5+ years of experience in systems programming
  • Experience in databases and/or data management systems is a huge plus, but not a requirement
  • Hands-on experience building industrial-strength software
  • Solid computer science fundamentals, with strong competencies in data structures, algorithms, and software design/architecture
  • Experience with large code bases, preferably in C++, C, Rust or a similar compiled language
  • B.Sc in Computer Science or similar field, or equivalent practical experience
  • Interest in the theory and practice of database query engines. Hands-on experience or M.Sc./Ph.D in the domain is a plus

Skills

Required:C++systems programmingdata structures and algorithms

Benefits

  • Note: Benefits are referenced in the description but not enumerated. If listing is required, please refer to corporate benefits page rather than fabricating specifics.
Last updated Oct 22, 2026. Interested? Apply on the company site.
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