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MongoDB

Staff Software Engineer - Query Execution

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
66 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 Staff Software Engineer on the Query Execution team at MongoDB, you will be responsible for developing and enhancing the core execution engine that processes queries, focusing on performance and efficiency. Your role involves designing physical operators for data manipulation, improving runtime for complex workloads, and collaborating with various products within the MongoDB ecosystem. You will also play a key role in defining the technical roadmap and mentoring team members while writing production-ready C++ code.

Our read on this posting3.2out of 5
benefits
5/5
freshness
1/5
career value
5/5
role clarity
5/5
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

  • 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
  • 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

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

  • The role requires significant experience in query engine development, which may limit applicants who are newer to the field.
  • The position involves working with a globally distributed team, which may require flexibility in working hours due to time zone differences.
  • The salary range is broad, indicating potential variability based on individual qualifications and negotiations.

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.

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