Software Engineer - Query Execution
Hybrid (Sweden)full-timePosted 5d ago
About the role
The MongoDB Query Execution Team is hiring software engineers to develop a high performing, reliable, and modular distributed query system. Responsibilities include implementing and maintaining execution algorithms, adding query language features, tuning performance, and integrating with other products and tools. Role can be based remotely in Sweden.
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++Code reviewsData structures and algorithms
Benefits
- (Not specified in the description)
Last updated Oct 22, 2026. Interested? Apply on the company site.
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