Software Engineer - Query Execution

Portugal - Remote💼 Full-time🗓 2026-10-05 → 2026-10-07

Core

Build and support the runtime responsible for executing analytical queries at scale, turning query plans into efficient execution.

Role type

Software Engineer (Query Execution Engine)

Builds

Query execution engine components for a unified lakehouse platform

Domain

Data infrastructure / Distributed systems

Deliverable

production ML models | product features

Required skills

Java, object-oriented programming, data structures, algorithms, concurrency, unit testing, integration testing, debugging, performance analysis

Preferred skills

database internals, query processing, distributed systems, vectorized processing, memory management, C++, Apache Arrow, Apache Iceberg, Spark, Hadoop

Technologies

Java, Apache Iceberg, Apache Arrow, Spark, Hadoop (via careerplan.io/jobs/8005826003-software-engineer-query-execution-at-dremio)

Responsibilities

Implement and maintain query operators, expression evaluation, and execution scheduling; write clear, maintainable code with tests; diagnose query correctness and performance issues using profiles and telemetry; collaborate on design discussions and code reviews

Seniority

Junior to Mid-level, hands-on IC

About Dremio

Dremio is the unified lakehouse platform for self-service analytics and AI, serving hundreds of global enterprises, including Maersk, Amazon, Regeneron, NetApp, and S&P Global. Customers rely on Dremio for cloud, hybrid, and on-prem lakehouses to power their data mesh, data warehouse migration, data virtualization, and unified data access use cases. Based on open source technologies, including Apache Iceberg and Apache Arrow, Dremio provides an open lakehouse architecture enabling the fastest time to insight and platform flexibility at a fraction of the cost. Learn more at www.dremio.com.