Software Engineer, Query; Optimization
Alberta, Canada
Listed on 2026-06-04
-
Software Development
Software Engineer, Backend Developer, Cloud Engineer - Software, Full Stack Developer
Join the Mongo
DB Server Query Optimization team, and help us build a world-class distributed open-source query optimizer. Our team plays a crucial role in the experience and performance of data processing. We are responsible for the Mongo
DB Query Language and the lifecycle of each query, through parsing, optimization and plan selection.
We have a presence across the US and Europe including New York, Dublin, Seattle, Palo Alto, and Chicago. We support office-based and remote work and align projects with convenient work hours for each time zone.
We have tons of interesting problems to solve with a direct impact on users for transactional, time-series, and analytical workloads. The team is endeavoring to systematically rewrite every major component of our optimization and execution systems. We need your help to design and build the heart of a distributed, flexible schema, document database.
Candidate Profile
Position Expectations
Success Measures
You'll have learned about Mongo
DB's project lifecycle, and our long-term goals for the system
You have expanded the team's horizons by presenting a favorite paper or system architecture related to query systems
DB Query team
This role can be based out of our US or Canadian offices or remotely in the North America region.
About MongoDB
Mongo
DB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. Mongo
DB’s unified database platform—the most widely available, globally distributed database on the market—helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, Mongo
DB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure.
With offices worldwide and nearly 60,000 customers—including 75% of the Fortune 100 and AI-native startups—relying on Mongo
DB for their most important applications, we’re powering the next era of software.
Our compass at Mongo
DB is our guiding how and why we make decisions, show up for each other, and win. It’s what makes us Mongo
DB.
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