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From the employer's careers site First seen 28 Oct 2026 · Still live on 31 Oct 2026

Senior Software Engineer, Query Optimization

MongoDB Austin Remote senior full-time

The employer hasn't listed a salary.

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Description

Join the MongoDB Server Query Optimization team and help build a world-class distributed open-source query optimizer. The team plays a crucial role in the experience and performance of data processing, responsible for the MongoDB Query Language and the lifecycle of each query.

Responsibilities:

  • Innovate in flexible schema databases and help build a world-class query optimization system
  • Research state-of-the-art query systems to inform design
  • Leverage deep knowledge of product strengths, weaknesses, and industry trends to provide technical vision and direction
  • Set initiative level strategy, architect plans, and lead the team towards successful execution
  • Identify, design, implement, test, and support new features related to query performance and robustness
  • Work with other engineers to coordinate seamless changes in a feature-rich, large code base
  • Collaborate with other teams, including client drivers, cloud services, and enterprise tools
  • Influence and grow team members through active mentoring, coaching, and leading by example

Requirements:

  • 5+ 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 and robust design structure
  • Degree in Computer Science or similar field, with strong competencies in data structures, algorithms, and software design/architecture
  • Experience with large code bases written in C++ or another systems programming language
  • Strong foundation in core database internals

Success Measures:

  • In three months, contribute to the development of a project slated for the next major version and fix bugs in a minor version
  • In six months, take on code review responsibilities and play an active role in drafting and reviewing design for new features
  • In twelve months, contribute to the long-term technical roadmap of the MongoDB Query team

Benefits:

  • Opportunities for personal growth and business impact
  • Supportive and enriching culture
  • Employee affinity groups
  • Fertility assistance and generous parental leave policy

Skills

Required

Nice to have

  • query optimization
  • compilers
  • language transpilers
  • distributed storage systems

Ready to apply?

You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/mongodb/jobs/7870876

Apply on MongoDB