Senior Performance Engineer, Adaptive Runtime

Unity; København; On-site; DKK 405,000 - 608,000; Full time

Benefits offered by this job

Health insurance

Commuter subsidy

Employee stock ownership

Retirement plans

Generous vacation and personal days

Parental leave

Office food snacks

Mental Health and Wellbeing programs

Employee Resource Groups

Global Employee Assistance Program

Training and development programs

Volunteering and donation matching

Job summary

Unity is seeking a Senior Software Developer for its Adaptive Performance team to tackle complex performance challenges across Unity, native platforms, graphics, and device-specific tech. You will work on profiling, optimization, and collaboration with partners to shape next‑gen adaptive performance.

Ideal candidates have deep C# and C++ experience, strong debugging and profiling skills, and a collaborative mindset to mentor others and drive AI-assisted workflows.

Qualifications

• Experience building performance‑critical software in C# and C++.
• Strong profiling and debugging skills using profiling tools.
• Excellent communication and mentorship abilities.

Responsibilities

• Investigate CPU, GPU, memory, thermal, and runtime performance issues across Unity and supported platforms
• Design and develop Adaptive Performance features that improve runtime stability, efficiency, and developer insights
• Profile applications and engine workloads to identify bottlenecks and turn performance data into actionable solutions
• Collaborate with Unity teams, platform holders, hardware partners, OEMs, and customers
• Contribute to technical design, implementation, testing, code reviews, mentoring, and AI-assisted performance workflows

Skills

C# & C++

Profiling tools

Debugging

Communication

Tools

Unity Profiler

Xcode Instruments

Perfetto

Job description

Unity is seeking a Senior Software Developer for its Adaptive Performance team to tackle complex performance challenges across Unity, native platforms, graphics, and device-specific tech. You will work on profiling, optimization, and collaboration with partners to shape next‑gen adaptive performance.

Ideal candidates have deep C# and C++ experience, strong debugging and profiling skills, and a collaborative mindset to mentor others and drive AI-assisted workflows.