Senior Software Engineer, Query Execution

MongoDB

📍 Dublin, County Dublin, Ireland

Full-time Computer Occupations Posted March 02, 2026

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Job Description

The MongoDB Query Execution Team is hiring software engineers who want to join us in developing a fast 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 help power our customers' critical workloads.
This role can be based out of our Dublin office or remotely in Ireland.

Position Expectations
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
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Job Details

Location

Dublin, County Dublin, Ireland

Job Type

Full-time