Senior Software Developer, Adaptive Performance

Jobtailor; København; On-site; DKK 900,000 - 1,200,000; Full time

Job summary

Jobtailor in Copenhagen is seeking a Performance Engineer to investigate CPU, GPU, memory, and runtime issues across Unity-based workloads and platforms. You will design and develop Adaptive Performance features that improve runtime stability, efficiency, and developer insights.

You will profile applications and engine workloads to identify bottlenecks, turning data into actionable solutions. Collaboration with Unity teams, hardware partners, OEMs, and customers, plus mentoring and AI-assisted

Qualifications

• Proficient in C# and C++, with experience in large codebases.
• Strong understanding of CPU, GPU, memory, threading, and runtime performance.
• Hands-on experience with profiling and diagnostic tools.
• Ability to own complex technical problems and communicate findings.
• Experience mentoring others and sharing knowledge.

Responsibilities

• Investigate performance issues across Unity and supported platforms.
• Design and build Adaptive Performance features to improve stability and efficiency.
• Profile applications and workloads to identify bottlenecks and provide actionable solutions.
• Collaborate with Unity teams, platform holders, hardware partners, OEMs, and customers.
• Contribute to technical design, testing, code reviews, and AI-assisted optimization workflows.

Skills

C# Software Development

C++ Software Development

Performance Profiling

Debugging Skills

Technical Mentoring

Tools

Unity Profiler

Xcode Instruments

Perfetto

RenderDoc

Snapdragon Profiler

Job description

• 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

Requirements

• Strong software development experience with C# and C++, including large and unfamiliar codebases
• Deep understanding of CPU, GPU, memory, threading, and managed and native runtime performance
• Hands‑on experience with profiling and diagnostic tools, such as Unity Profiler, Xcode Instruments, Perfetto, or equivalent
• Strong debugging and analytical skills, with the ability to own complex and technically ambiguous problems
• Effective communication and collaboration skills, with a willingness to mentor others and share technical knowledge
• Experience with graphics or hardware profiling tools, such as RenderDoc, Snapdragon Profiler, or Arm tooling
• Experience profiling and optimizing real‑time applications across Android, iOS, desktop, console, or web
• Knowledge of performance‑analysis tools, runtime feedback systems, telemetry, machine learning, or AI‑driven optimization
• Sufficient knowledge of English for professional verbal and written exchanges

Core Competencies

Demonstrates expertise in C# and C++ software development, with a focus on performance optimization across various platforms. Proficient in profiling tools and techniques to enhance runtime stability and efficiency in real‑time applications.

Highest‑signal resume keywords

• C# Software Development
• C++ Software Development
• Performance Profiling
• Debugging Skills
• Technical Mentoring

Hard Skills

• CPU Performance Analysis
• GPU Performance Analysis
• Memory Management
• Threading Optimization
• Real‑Time Application Profiling

Soft Skills

• Effective Communication
• Collaboration Skills
• Analytical Thinking

Industry Keywords

• Runtime Performance
• Adaptive Performance
• Telemetry
• Machine Learning
• AI‑Driven Optimization

Tools & Technologies

• Unity Profiler
• Xcode Instruments
• Perfetto
• RenderDoc
• Snapdragon Profiler