Develops and optimizes MongoDB's core query execution engine, converting logical plans to efficient physical operators for transactional and analytical workloads. Requires 10+ years in query engines/database internals, C++ expertise, and technical leadership.
151k – 297k
Remote10+ YOEBackend Engineering
About the role
Candidate Profile
10+ years of hands-on, professional experience in query engine development or database internals
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
Proven track record of technical leadership: demonstrated ability to define and drive roadmaps for a component over the medium term
Passion for the theory and practice of database query engines, as well as hands-on or academic experience in the database domain
Position Expectations
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
Staff Software Engineer, C++ Software Integration (R4017)
Shield AIWashington, DC
Leads architecture, implementation, and integration of high-performance C++ and Python systems in distributed, real-time simulation environments. Requires 7+ years C++ expertise, Linux proficiency, CI/CD tools, and systems integration experience.
151k – 226k
On-site7+ YOEBackend Engineering
Staff Software Engineer, C++ Software Integration (R4016)
Shield AIWashington, DC
Leads architecture, implementation, and integration of high-performance C++ and Python systems in distributed, real-time environments. Requires 7+ years experience, advanced C++ expertise, Linux proficiency, and active SECRET clearance.
151k – 226k
On-site7+ YOEBackend Engineering
Staff Software Engineer, C++ Software Integration (R4018)
Shield AIWashington, DC
Leads architecture, implementation, and integration of high-performance C++ and Python systems in distributed, real-time simulation environments. Requires 7+ years experience, advanced C++ expertise, Linux proficiency, and active SECRET clearance.
151k – 226k
On-site7+ YOEBackend Engineering
Member of Technical Staff, Retrieval & Indexing
ParallelUnited States
Build and operate large-scale web indexing systems including corpus selection, searchable structures, quality/freshness models, and low-latency query serving. Requires deep expertise in information retrieval and distributed systems.
150k – 300k
On-site7+ YOEBackend Engineering
Member of Technical Staff
FluidstackSan Francisco, CA +3
Build core primitives for entity ownership, audit, authorization, and orchestration. Own domain models for power, datacenters, and chips while enabling AI agents to safely operate production systems.