Senior Software Developer, Adaptive Performance

UNITY TECHNOLOGIES ApS; København; On-site; DKK 639,000 - 959,000; Full time

Benefits offered by this job

Health insurance

Commute subsidy

Employee stock ownership

Pension plans

Generous vacation and personal days

Family-care support

Office snacks

Mental health programs

Employee Resource Groups

Global EAP

Job summary

Unity Technologies ApS is seeking a Senior Software Developer to tackle complex performance challenges across Unity, native platform code, graphics, and device-specific tech. You will design Adaptive Performance features and profile workloads to drive stability and efficiency.

Responsibilities include debugging, mentoring, and collaborating with partner teams to deliver AI-assisted workflows and performance insights across platforms such as Android, iOS, desktop, and consoles.

Qualifications

• Experience with large and unfamiliar codebases.
• Strong debugging and analytical skills.
• Ability to mentor others and share knowledge.
• English proficiency for collaboration with teams worldwide.

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 and efficiency
• Profile applications and engine workloads to identify bottlenecks and derive solutions
• Collaborate with Unity teams, platform holders, hardware partners, OEMs, and customers
• Contribute to technical design, testing, code reviews, mentoring, and AI-assisted workflows

Skills

C# development

C++ development

Profiling tools

Debugging

Mentoring

Communication

Tools

Unity Profiler

Xcode Instruments

Perfetto

RenderDoc

Arm tooling

Job description

Unity's Adaptive Performance team builds technology that helps developers create faster, more consistent, and more efficient applications across devices and platforms. Using runtime feedback, our systems help maintain stable frame rates, respond to thermal constraints, and identify opportunities for performance improvements.

We are looking for a Senior Software Developer who enjoys solving complex performance challenges. You will work across Unity, native platform code, graphics, and device-specific technologies to shape the next generation of Adaptive Performance.

What you'll be doing

• 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

What we're looking for

• 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

You might also have

• 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

Base Salary Range

We determine the base salary range for this role based on your primary work location:

Zone A: kr639,400 - kr959,200 DKK grossZone A: €54,200 - €81,400 EUR gross
This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate’s relevant experience, professional background, and skill set.

Benefits

At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.

• Comprehensive health, life, and disability insurance
• Commute subsidy
• Employee stock ownership
• Competitive retirement/pension plans
• Generous vacation and personal days
• Support for new parents through leave and family-care programs
• Office food snacks
• Mental Health and Wellbeing programs and support
• Employee Resource Groups
• Global Employee Assistance Program
• Training and development programs
• Volunteering and donation matching program

Life at Unity

Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality. For more information, please visit www.unity.com.

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators.

If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English. This posting is intended to fill an existing vacancy, and we are committed to providing applicants with updates throughout the hiring process in accordance with applicable law.

Should you have any concerns about your privacy, please contact us at [e-mail].

Location

DNK-Copenhagen

Additional location

• Vilnius, Lithuania