Software Engineer 3, Query Integration

MongoDB

Remote

Quick summary

Work type: Remote
Location: Remote
Salary: $122,000–$170,000 / yr
Posted: 2 days ago

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $172k

This role $146k

$112k most similar roles pay here $212k

This role pays less than 74% of similar roles. Most pay $145,750–$198,800 — the shaded band above. At the midpoint, this role pays about $146k versus about $172k 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 171 open roles on FindRole.

Listed pay typically runs $126,000–$209,000 across 57 roles with salary data.

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At a glance

TL;DR · Software Engineer 3, Query Integration

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As a Mid-Level Software Engineer on the Query Integration team at MongoDB, you will work closely with peers to develop and scale new query capabilities for time-series, Atlas Search, and Vector Search products. Your day-to-day responsibilities include contributing high-quality code in C++, building comprehensive testing suites using Python and JavaScript, and resolving complex performance issues through diagnostics. You will also engage in continuous learning and collaboration within a dynamic team that values engineering excellence. Ideal candidates have 3+ years of programming experience, solid computer science fundamentals, and hands-on experience with large codebases in C++. The role involves working on cutting-edge features for high-growth products, requiring expertise in database internals and a passion for query engine theory and practice.

Skills

C++ Python JavaScript CI/CD Docker Kubernetes MongoDB PostgreSQL Git Linux REST JSON SQL NoSQL Time-Series Search Vector_Search Cloud_Native

What you'll do

Develop and scale new query capabilities for time-series, Atlas Search, and Vector Search products.
Write high-quality C++ code to enhance the MongoDB query engine's functionality.
Build comprehensive testing suites in Python/JavaScript to ensure robustness of features.
Identify and resolve complex performance issues through detailed diagnostics.
Collaborate on designing and implementing technical solutions with team members.

What we're looking for

3+ years of experience in computer programming
Hands-on experience building industrial-strength software and working with large code bases
Strong competencies in data structures, algorithms, and software design/architecture
Experience with C++ (preferably in a database context)
B.Sc. in Computer Science or equivalent practical experience
Interest in database query engines; advanced degree or hands-on experience is a plus

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