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# Principal Software Engineer, Core Engine

- **Company:** Unity Technologies
- **Location:** Canonsburg, PA, United States
- **Salary:** $202,800.0 - $341,900.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, C Sharp (Programming Language), C++ (Programming Language), Video Game Development, Game Engine, Bug Reporting
- **Published:** October 13, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=9610c629164d18af

## About the Role

* Deep expertise in C# and C++
 * Compiler domain expertise, with strong knowledge of compiler toolchain technology
 * Strong understanding of hardware architecture
 * Game engine development experience, particularly on proprietary engines
 * Excellent verbal and written communication skills with the ability to build relationships with global stakeholders

You might also have

 * Experience developing cross-platform code, particularly between ARM and x64
 * Experience working with remote/international teams
 * Prior use of Unity

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

## Description

We're looking for an experienced software engineer to guide, and be responsible for, delivery of some of the most mission-critical parts of Unity Engine. You'll work with software experts across the company to give our developers the tools they need to make performant, robust games:

 * Improving the quality of the C#/.NET integration, including GC, JIT, AOT, and runtime libraries
 * Crafting, prototyping and implementing key technical solutions
 * Researching and spearheading methods to improve performance and reliability
 * Advocating standard methodologies for internal developers and our users

Please note that we are currently prioritizing candidates in Eastern Time Zone.

What you'll be doing

 * Ensure the timely delivery and fitness of our C#/.NET integration, including JIT and AOT toolchains
 * Drive general game engine technical leadership across Unity and help craft a long-term vision and technical roadmap for the team
 * Design, track, and communicate important metrics to guide resourcing decisions
 * Communicate the team's plans internally and externally to technical and non-technical audiences
 * Provide feedback and solutions to users through documentation, forums, bug reports, and internal support channels
 * Guide the development and effectiveness of team members
 * Advocate best practices for internal developers and Unity users, 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.

Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.