Software Engineer 3, Query Integration

MongoDBToronto, ON
CA$122,000 - CA$170,000Remote

About The Position

The Query Integration team is at the heart of making MongoDB's data capabilities seamless and accessible. Our mission is to build intuitive, user-facing features on top of our core query engine and integrate it deeply with the broader MongoDB ecosystem. We work on cutting-edge features that power our time-series database, extend analytical language capabilities, and scale our high-growth Atlas Search and Vector Search products. We are a highly collaborative team that values engineering excellence and continuous learning. While our core engine development is in C++, our testing infrastructure relies on JavaScript and Python, making for a dynamic and modern development environment. This role can be based out of our US or Canadian offices, or remotely within the North American region.

Requirements

  • 3+ years of experience in computer programming
  • 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.

Nice To Haves

  • Experience in databases and/or data management systems is a huge plus, but not a requirement
  • Hands-on experience or M.Sc./Ph.D in the domain is a plus

Responsibilities

  • Develop and scale new query capabilities that directly impact our time-series, Atlas Search, and Vector Search products while adding workload telemetry for greater database insights.
  • Contribute high-quality, maintainable code primarily in C++ and gain a deep, working understanding of the MongoDB query engine.
  • Work constructively with peers to design, implement, and support robust technical solutions while giving and receiving meaningful feedback in code reviews.
  • Build comprehensive testing suites in Python/JavaScript and implement diagnostics to help identify and resolve complex query performance problems.

Benefits

  • equity
  • participation in the employee stock purchase program
  • flexible paid time off
  • 20 weeks fully-paid gender-neutral parental leave
  • fertility and adoption assistance
  • Registered Retirement Savings Plan (RRSP) with employer match
  • mental health counseling
  • backup child and elder care
  • health, dental, and vision benefits offerings
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