Senior Software Engineer — Distributed Query Engine

MongoDB; Cork; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

MongoDB is seeking candidates for a role in the Server Query team based in Dublin or Cork with a hybrid work model. The team focuses on the MongoDB Query Language, parsing to optimization and execution, including geospatial subsystems.

Ideal candidates have 3+ years in data-intensive environments, strong CS fundamentals, and hands-on experience with C++ and database systems. This is a collaborative role across drivers, cloud services, enterprise tools, and marketing.

Qualifications

• 3+ years of experience in data-intensive environments.
• Hands-on experience building industrial-strength software.
• Solid computer science fundamentals, with strong competencies in data structures, algorithms, and software design/architecture.
• Experience in large code bases.
• B.Sc in Computer Science or similar field, or equivalent practical experience.
• Experience in C++ and in developing database systems is a plus.
• Interest in the theory and practice of database query engines. Hands-on experience or M.Sc./Ph.D in the domain is a plus.

Responsibilities

• Understand and improve current functionality of the MongoDB query engine.
• 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 with other engineers to coordinate seamless changes in a feature-rich, large code base.
• Work with other teams including client drivers, cloud services, enterprise tools, support, consulting, education, and marketing to coordinate changes or contribute to their projects.

Skills

C++

Data structures

Algorithms

Software design/architecture

Database systems

Education

B.Sc in Computer Science

Job description

MongoDB is seeking candidates for a role in the Server Query team based in Dublin or Cork with a hybrid work model. The team focuses on the MongoDB Query Language, parsing to optimization and execution, including geospatial subsystems.

Ideal candidates have 3+ years in data-intensive environments, strong CS fundamentals, and hands-on experience with C++ and database systems. This is a collaborative role across drivers, cloud services, enterprise tools, and marketing.