Senior Software Engineer, Query Execution
MongoDB Β· π¬π§ London, United Kingdom
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Employer is on the UK Home Office register of licensed sponsors.
UK Home Office Register of Licensed Sponsors (Skilled Worker route): listed as 'MongoDB UK Limited', London β Skilled Worker; Worker (A rating)
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- Verification category
- Employer on official sponsor register
- Role category
- Backend
- Last verified
- 2026-10-25
- First indexed
- 2026-10-24
- Posted date
- 2026-10-14
- ATS / Feed source
- Greenhouse job board
Role Description (Excerpt)
The MongoDB Query Execution Team is hiring software engineers who want to join us in developing a high performing, reliable and modular distributed query system. Our engineers work on implementing and maintaining execution algorithms, building new query language features, tuning database performance, and more to power our customers' critical workloads. This role can be based remotely in the United Kingdom (UK). Position Expectations β’ Understand and improve current functionality of the MongoDB query engine β’ Contribute high quality C++ code and give and solicit feedback in code reviews β’ 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 β’ Work constructively with peers to deliver excellent technical solutions Candidate Profile β’ 5+ years of experience in systems programming β’ Experience in databases and/or data management systems is a huge plus, but not a requirement β’ Hands-on experience building industrial-strength software β’ Solid computer science fundamentals, with strong competencies in data structures, algorithms, and software design/architecture β’ Experience with large code bases, preferably in C++, C, Rust or a similar compiled language β’ B.Sc in Computer Science or similar field, or equivalent practical experience β’ Interest in the theory and practice of database query engines. Hands-onβ¦
Excerpt only β read the full requirements and apply directly on MongoDB's career page. We do not process applications.