Join MongoDB as a Senior Software Engineer to develop a high-performing distributed query system remotely from France.
Posted by employer 9 hours ago
First seen on Joblaze 1 hour ago
Last verified on the company career page 1 hour ago
What you'll build
- Understand and improve current functionality of the MongoDB query engine
- Contribute high quality C++ code
- Identify, design, implement, test, and support new features
- Work constructively with peers to deliver technical solutions
Must have
- 5+ years of experience in systems programming
- Hands-on experience building industrial-strength software
- Solid computer science fundamentals
- Experience with large code bases, preferably in C++, C, Rust or a similar compiled language
- B.Sc in Computer Science or similar field
Nice to have
- Experience in databases and/or data management systems
- Interest in the theory and practice of database query engines
Requirements
- Experience
- 5+ years
- Education
- Bachelor's degree
Not disclosed in this posting: compensation, visa sponsorship.
Benefits
Joblaze summary
The Senior Software Engineer on the Query Execution Team at MongoDB focuses on enhancing the performance and reliability of the distributed query system through the development and maintenance of execution algorithms and new query language features. Proficiency in C++ and a solid understanding of data structures and algorithms are essential, along with experience in systems programming. This role is suited for seasoned engineers with a background in software development, particularly those interested in database technologies. The team emphasizes collaboration and technical excellence, contributing to a robust and innovative data platform.
Joblaze insights
- Listed today — first seen on Joblaze October 15, 2026. Last confirmed on MongoDB's careers page October 15, 2026.
- This exact title is also open at 5 other locations at MongoDB: Denmark, Finland, Belgium, London, United Kingdom, Germany.
Quick facts
- Is the Senior Software Engineer, Query Execution role remote?
- Yes — MongoDB lists this as a fully remote position.
- How much experience is required?
- At least 5 years of relevant experience for this Senior Software Engineer, Query Execution role.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: C++, Rust.
- What seniority level is this role?
- MongoDB targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Software Engineer, Query Execution role at MongoDB.
From the original posting
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 France.
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
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
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.
MongoDB is an equal opportunities employer.
Req ID: 2273491237
Standard company text repeated across MongoDB's postings is omitted here.
Similar positions
Explore more