Staff Software Engineer, Query Execution

Summary

Join MongoDB's Server Query Execution team and contribute to building a world-class distributed open-source database. This role involves building and improving the core execution engine that powers all queries, developing physical operators for data retrieval and manipulation, and improving runtime for complex workloads. You will collaborate with a globally distributed team, working remotely from Ireland, with opportunities to work from European hubs. The team supports the query execution needs of major products like Atlas Streams, Atlas Search, and Vector Search. This position requires significant experience in data management systems and C++ programming, along with a deep understanding of database query engines. The role offers the chance to influence the team's technical roadmap and mentor team members.

Requirements

• 10+ years of experience in data management systems
• Experience with building production-level code with a large user base, robust design structure and rigorous code quality
• Degree in Computer Science or similar field, or equivalent practical experience, with strong competencies in data structures, algorithms, and software design/architecture
• Experience with large code bases written in C++ or another systems programming language. You'll need to trace down defects, estimate work complexity, and design evolution and integration strategies as we rewrite different components of the system
• Passion for the theory and practice of database query engines, as well as hands-on or academic experience in the database domain

Responsibilities

• Play a key role in defining the 12-month roadmap for Query Execution by researching state-of-the-art systems and leveraging your deep knowledge of industry trends to provide technical vision and direction
• Take direct responsibility for delivering on long-term (6-18 month) goals to innovate in high-performance query execution and other areas of responsibility, co-ordinating initiative-level strategy and personally writing well-tested, production-ready C++ code
• Advise management on key decisions related to our architecture and processes, and collaborate with stakeholders across the company on large initiatives
• Influence and grow team members through active mentoring, coaching, and leading by example, helping to cultivate a strong talent bench through interviewing and knowledge sharing

Benefits

From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys