PitchMeAI Jobs
MongoDB

Staff Engineer, Query Optimization

MongoDB · United States

Posted about 2 months ago

or apply directly on MongoDB's site. We never take the application ourselves.

Is this posting real?

This role has been open
61 days
MongoDB's roles stay open a median of 66 days
Reposted
No
Salary listed
No
0% of MongoDB's roles list one
Ghost-job risk at MongoDB
high
337 stale, 7 reposted of 411 open
Hiring momentum
575 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-08

Measured from postings appearing on and disappearing from MongoDB's own greenhouse board since 2026-08-03. Full hiring picture for MongoDB.

About this role

As a Senior Software Engineer on the MongoDB Server Query Optimization team, you will work on building a distributed open-source query optimizer, focusing on the MongoDB Query Language and its lifecycle. Your role involves designing and implementing features to enhance query performance, collaborating with various teams, and mentoring junior engineers. You will also contribute to the technical roadmap and engage in research to inform design decisions.

Our read on this posting2.8out of 5
benefits
5/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of MongoDB as an employer.

What you need

  • 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, 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
  • A strong foundation in core database internals

Nice to have

  • Direct experience in query optimization
  • Strong backgrounds in compilers, language transpilers, or distributed storage systems

What you get

  • 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

Worth weighing

  • Remote work limited to Eastern or Central time zones
  • No specific mention of technology stack beyond C++ and database internals
  • Salary range is broad and varies based on multiple factors

Summarised from MongoDB's posting. Read the full original.

Listed by MongoDB on their greenhouse job board, last confirmed open on 2026-10-08. PitchMeAI is not the employer.

More roles at MongoDB

All 411 open roles at MongoDB →