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[Remote] Staff Engineer, Query Optimization

Remote Full-time Now Hiring

Note: The job is a remote job and is open to candidates in USA. MongoDB is a data platform company empowering organizations to build and modernize applications. The Staff Engineer, Query Optimization will design and build distributed query optimization and execution systems, research query technologies, and provide technical vision for query performance and robustness. The role also involves implementing features, coordinating across teams, and mentoring engineers.

Responsibilities

  • Innovate in the area of flexible schema databases. Help us build a world-class query optimization system
  • Research state-of-the art query systems to inform our design
  • Leverage deep knowledge of the strength and weakness of the product and of industry trends to provide technical vision and direction
  • Set initiative level strategy, architect plans, and lead the team towards successful execution
  • Advise and partner with management on roadmap decisions, processes, and architectural designs
  • Identify, design, implement, test, and support new features related to query performance and robustness, query language enhancements, diagnostics, 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
  • Influence and grow team members through active mentoring, coaching and leading by example

Skills

  • 10+ years of experience in data management systems, distributed systems, or large-scale backend engineering
  • 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
  • A strong foundation in core database internals is essential
  • While direct experience in query optimization is a massive bonus, it is not a prerequisite
  • We are also excited to meet candidates with strong backgrounds in compilers, language transpilers, or distributed storage systems

Benefits

  • Office-based and remote work
  • Employee affinity groups
  • Fertility assistance
  • A generous parental leave policy
  • Equity
  • Participation in the employee stock purchase program
  • Flexible paid time off
  • 20 weeks fully-paid gender-neutral parental leave
  • Fertility and adoption assistance
  • 401(k) plan
  • Mental health counseling
  • Access to transgender-inclusive health insurance coverage
  • Health benefits offerings

Company Overview

  • MongoDB is a global database software company offering NoSQL, cloud database, and AI-ready data platform. It was founded in 2007, and is headquartered in New York, New York, USA, with a workforce of 5001-10000 employees. Its website is https://www.mongodb.com.
  • Company H1B Sponsorship

  • MongoDB has a track record of offering H1B sponsorships, with 39 in 2026, 152 in 2025, 149 in 2024, 133 in 2023, 79 in 2022, 51 in 2021, 30 in 2020. Please note that this does not guarantee sponsorship for this specific role.