Skip to content

Nobody tells you why you were rejected. We will. Free, in 30 seconds.

Score my CV against live jobs

Senior Software Engineer, Query Execution

mongodb

On-siteSeniorPosted 16 Oct 2026

What this role requires

2 requirements, read out of the advert rather than guessed from the job title:

Also mentioned, not required: C, Rust, data management systems, English (B2). Worth having, but their absence is not what gets a CV filtered out.

See how often each of these is required across open backend roles in Europe.

Check my CV against these 2 requirements

Free, no card. Tells you which of them your CV evidences and which it only implies.

Job description

The MongoDB Query Execution Team is hiring software engineers who want to join us in developing a high performing, reliable and modular distributed query system. Our engineers work on implementing and maintaining execution algorithms, building new query language features, tuning database performance, and more to power our customers' critical workloads.

This role can be based remotely in Netherlands.

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

Read the full description (22 more sections)

Work constructively with peers to deliver excellent technical solutions

Candidate Profile

5+ years of experience in systems 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++, C, Rust or a similar compiled language

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

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 leading the development of a new major feature and are helping to mentor new engineers on the team

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 data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB’s unified data platform, the most widely available, globally distributed data platform 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 data platform and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and over 67,000 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.

Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. 

To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy , we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB , and help us make an impact on the world!

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.

MongoDB is an equal opportunities employer.

Req ID: 2273491237

Find more English Speaking Jobs in Netherlands on Arbeitnow

You will apply. Then you will hear nothing.

And no one will tell you what was wrong. See it before you send: your ATS score, every weak line, and the fix for each.

  1. 1

    Drop in your CV

    One PDF, thirty seconds. No card.

  2. 2

    See what is wrong with it

    Every weak passage, quoted from your own CV, with the line to replace it.

  3. 3

    Apply where you fit

    Every European role ranked against what your CV actually says.

  • Free, no card
  • Your CV file is deleted after parsing
  • Or skip the upload — build your profile by hand
  • Refreshed every 6 hours