MongoDB

Senior Software Engineer, Query

MongoDB
Apply
19 hours ago
Dublin, IrelandSenior

Responsibilities

  • Design, develop, and maintain automated testing frameworks for the MongoDB query engine.
  • Build performance-automated tests, high-volume workload-generation tools, and internal tooling.
  • Collaborate with engineers to ensure new query features are testable and covered across happy-path and edge-case scenarios.
  • Develop testing strategies involving end-to-end testing, fuzzing, property-based testing, and performance measurement.
  • Provide code-review feedback focused on robustness and reliability.
  • Improve test efficiency, coverage, correctness, and performance automation.

Requirements

  • 5+ years of experience in software development and/or performance engineering.
  • Fluency in Python, JavaScript, or TypeScript.
  • Ability to investigate complex problems in distributed environments and communicate complex concepts clearly in written and spoken English.
  • Bachelor of Science in Computer Science or a related field, or equivalent practical experience.
  • Experience with relational or NoSQL databases is a plus.
  • Experience developing automated test frameworks is a plus.
  • Experience with query-processing engine testing is a strong plus.
  • Experience developing performance test plans and monitoring frameworks is a strong plus.
  • Background in database query engines or compilers is a strong plus.

Benefits

  • Hybrid working model for candidates based in Dublin.
  • Supportive and enriching employee culture with employee affinity groups.
  • Fertility assistance and generous parental leave policy.
  • Reasonable accommodations are available for individuals with disabilities during the application and interview process.

Tech Stack

Categories

MongoDB

About MongoDB

5,001-10,000 employees

MongoDB builds the MongoDB document database and the MongoDB Atlas cloud database service for application developers and enterprises. Its business model centers on cloud consumption (Atlas), commercial subscriptions, and support, with tooling for migration, synchronization, and disaster recovery across on‑prem and multi‑cloud environments. Founded in 2007 and headquartered in New York, it is a public company listed on NASDAQ and widely used across industries worldwide.

Contact me