Senior Software Engineer, Query Optimization

MongoDB

Confirmed live today High trust
Remote

Quick summary

Work type
Remote
Location
Canada
Salary
$126,000–$248,000 / yr
Posted
50 days ago
Freshness
Confirmed live today

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $182k
This role $187k
$106k most similar roles pay here $263k

This role pays more than 64% of similar roles. Most pay $155,500–$209,000 — the shaded band above. At the midpoint, this role pays about $187k versus about $182k for comparable roles.

Based on 240 similar postings.

Employer

About MongoDB

MongoDB is a leading American software company that develops and provides commercial support for a popular, source-available document database. Designed to handle unstructured and structured data natively, its platform is purpose-built for modern cloud applications, analytics, and AI experiences.

MongoDB currently has 206 open roles on FindRole.

Listed pay typically runs $126,000–$241,000 across 57 roles with salary data.

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At a glance

TL;DR · Senior Software Engineer, Query Optimization

As a Senior Software Engineer, Query Optimization, you will join the MongoDB Server Query Optimization team to build a world-class distributed open-source query optimizer. You will be responsible for the lifecycle of each query, including parsing, optimization, and plan selection for transactional, time-series, and analytical workloads. Your daily work involves designing and building the heart of a distributed, flexible schema, document database while rewriting major components of optimization and execution systems. The role requires expertise in C++ or other systems programming languages, along with deep knowledge of data structures, algorithms, and core database internals. You will also leverage skills in compilers, language transpilers, or distributed storage systems to research state-of-the-art query systems, provide technical vision, and implement features related to query performance, robustness, and language enhancements within a large, feature-rich codebase.

What does a Software Engineer earn in Remote?

Median $205300 from 346 postings across 55 companies.

See salary data

What you'll do

  • Design and build a distributed, flexible schema query optimization system.
  • Research state-of-the-art query systems to inform architectural designs and technical vision.
  • Develop features for query performance, robustness, and language enhancements.
  • Rewrite major components of the optimization and execution systems in C++.
  • Create and manage architectural plans and initiative-level strategies for the team.
  • Advise management on roadmap decisions and system architecture.
  • Perform code reviews and mentor other engineers to ensure high code quality.
  • Identify and resolve defects within a large, complex codebase.

What we're looking for

  • 5+ years of experience in data management systems, distributed systems, or large-scale backend engineering.
  • Experience building production-level code with a large user base and robust design structure.
  • Degree in Computer Science or similar field, or equivalent practical experience.
  • 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 is essential.
  • Experience in query optimization (preferred).
  • Backgrounds in compilers, language transpilers, or distributed storage systems are welcomed.

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