Software Engineer, Query Integration

About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform, the most widely available, globally distributed database on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and over 60,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we’re powering the next era of software.

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The Role

The Query Integration team is focused on building user-facing features on top of the core query engine and helping to integrate query with other products in the MongoDB ecosystem. This includes enhancing our time-series product, extending language support for analytics, helping grow our Atlas Search and Vector Search products with database support, and adding workload telemetry to provide greater insight into how our database is used. Most of our development is in C++, but prior experience in C++ is not required. Our testing infrastructure is written in JavaScript and Python.

This role can be based out of our US or Canadian offices or remotely in the North America region.

Candidate Profile

• 5+ years of experience in computer programming
• Experience in databases and/or data management systems is a huge plus, but not a requirement
• Hands-on experience building industrial-strength software
• Solid computer science fundamentals, with strong competencies in data structures, algorithms, and software design/architecture
• Experience with large code bases, preferably in C++
• B.Sc. in Computer Science or similar field, or equivalent practical experience
• Interest in the theory and practice of database query engines. Hands-on experience or M.Sc./Ph.D in the domain is a plus

Position Expectations

• Understand and improve current functionality of the MongoDB query engine
• Contribute high quality C++ code and give and solicit feedback in code reviews
• Identify, design, implement, test, and support new features related to query performance and robustness, query language enhancements, diagnostics for query performance problems, and integration with other products and tools
• Work constructively with peers to deliver excellent technical solutions

Success Measures

• In three months, you’ll have contributed to the development of a project slated for the next major version, as well as fixed a few bugs in a minor version of our latest stable release series.
• In six months, you’ll have taken on code review responsibilities and are independently delivering complex functionality and squashing bugs independently.
• In twelve months, you’re contributing to the design of major new features and are helping to mentor new engineers on the team.

Compensation & Benefits (US)

MongoDB’s base salary range for this role in the U.S. is: $126,000 - $248,000 USD.

Compensation at the time of offer is unique to each candidate and based on a variety of factors such as skill set, experience, qualifications, and work location. Salary is one part of MongoDB’s total compensation and benefits package. Other benefits for eligible employees may include: 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, mental health counseling, access to transgender-inclusive health insurance coverage, and health benefits offerings.

Note: AI is used to review applications based on job-related criteria and does not replace human decision-making. The hiring team decides who moves forward.

Req. ID: 1273417264