CareerPlan

Senior Software Engineer, Query

Remote IrelandRemoteFull-time2026-10-21 → 2026-11-10
Hybrid

Core

Building advanced testing frameworks, performance measurement tools, and automation strategies for MongoDB's distributed query engine to ensure correctness and performance at scale.

Role type

Senior Software Engineer (Query Testing & Tooling)

Builds

Automated testing frameworks, performance test plans, monitoring tools, and internal tooling for the MongoDB query engine.

Domain

Database systems, distributed query engines, performance engineering.

Required skills

Python, JavaScript, TypeScript, distributed systems, database testing, automation frameworks, performance engineering, code review, hypothesis validation.

Preferred skills

NoSQL/relational databases, query processing engines, compilers, performance test planning, query engine testing.

Technologies

Python, JavaScript, TypeScript, MongoDB, distributed systems.

Responsibilities

Design and maintain automated testing frameworks and performance tests; collaborate with peers to ensure testability and coverage for happy-path and edge-case scenarios; provide feedback in code reviews focusing on robustness and reliability.

Seniority

Senior, hands-on IC