Senior Software Engineer, Query Execution

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

Candidate Profile

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

Success Measures

In three months you’ll have contributed to the development of a project slated for the next major version, as well as fixed a few bugs in a minor version of our latest stable release series

In six months, you’ll have taken on code review responsibilities and are independently delivering complex functionality and squashing bugs independently

In twelve months, you’re leading the development of a new major feature and are helping to mentor new engine