Staff Software Engineer, Core Engine

Unity Technologies

📍 Copenhagen, Denmark, Denmark

Full-time other-general Posted February 28, 2026

Job Description

**Copenhagen, Denmark**
**Staff Software Engineer, Core Engine**
Location
Copenhagen, Denmark
Department
Engineering
Requisition ID
JOBREQ-2515358
**Role description**

**The opportunity**
We're looking for a Staff Engineer to join the Runtime team within the Core Engine group here at Unity. You'll be responsible for designing, implementing, and maintaining the low-level systems that form the backbone of the Unity runtime. You'll work across subsystems including transforms, the player loop, the job system, serialization, and support higher level features like physics and netcode. Your work will directly impact the performance, stability, and capabilities available to millions of developers worldwide.

This is a highly technical individual contributor role with significant influence over architectural decisions and engineering practices. You'll collaborate closely with teams across rendering, physics, animation, scripting, and platform engineer...