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From the employer's careers site First seen 26 Oct 2026 · Still live on 31 Oct 2026

Software Engineer 3

MongoDB Dublin Hybrid senior full-time

The employer hasn't listed a salary.

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Description

Join the MongoDB Server Query team and help build a world-class distributed open source query engine.

We are looking for a Software Engineer 3 to work in our Dublin office as part of a hybrid working model.

Responsibilities

  • Understand and improve current functionality of the MongoDB query engine
  • 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 with other engineers to coordinate seamless changes in a feature-rich, large code base
  • Work with other teams including client drivers, cloud services, enterprise tools, support, consulting, education, and marketing to coordinate changes or contribute to their projects

Requirements

  • 3+ years of experience in data-intensive environments
  • 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
  • B.Sc in Computer Science or similar field, or equivalent practical experience
  • Experience in developing database systems is a plus
  • 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 involved in reviewing the design for new features
  • In twelve months, you’re making significant contributions to the development of a new major features

Skills

Required

Nice to have

  • M.Sc./Ph.D in database query engines
  • experience with large code bases

Ready to apply?

You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/mongodb/jobs/8286403

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