Open role
Staff Software Engineer, Query (Optimization)
mongodb
United StatesPosted Jul 15, 2026 · 4h ago
Full-timeStaffSaaS
About this role
Join MongoDB's Query Optimization team as a Staff Software Engineer to build and enhance a distributed open-source query optimizer. You will be responsible for the entire query lifecycle, from parsing to plan selection, and will play a key role in improving data processing performance for various workloads. This role involves designing and implementing core components of a flexible schema document database.
What we are looking for
6- Design and build a world-class distributed query optimizer
- Optimize query performance for transactional, time-series, and analytical workloads
- Rewrite major components of optimization and execution systems
- Work with large C++ code bases and systems programming languages
- Contribute to the technical roadmap and mentor team members
- 10+ years of experience in data management systems
Skills mentioned
2C++AWS
