Software Engineer, Query Execution
Remotefull-timePosted 4d ago
About the role
The MongoDB Query Execution Team is hiring software engineers to develop a high performing, reliable and modular distributed query system. Role focuses on execution algorithms, query language features, performance tuning, and integration with other products. Remote in the United Kingdom.
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
Nice to have:Database query engines
Benefits
- Note: Benefits are described in culture and inclusion materials in the listing, but not itemized here.
Last updated Oct 22, 2026. Interested? Apply on the company site.
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