Senior Software Engineer 2, Game Systems

Design and implement game engine features and systems in C++ for all Zwift platforms (iOS, Windows, Android, Mac, Apple TV), ensuring optimal performance and maintainability.

Collaborate with cross-functional teams, including game engineers, backend engineers, product managers, game artists, and UX designers to design, plan, test, and deliver high-quality features.

Drive in-depth performance analysis, profiling, and optimization across all platforms to deliver improvements in CPU utilization, memory usage and budgeting, and startup times.

Build tools and frameworks to improve development workflows and empower other other engineers.

Debug and resolve complex issues across a diverse set of devices and platforms, improving reliability and stability.

Contribute to code reviews, design discussions, and team planning processes.

Ensure code quality through automated testing (e.g., unit testing, integration testing, and similar).

Advocate for and implement engineering best practices like automated testing, CI/CD pipelines, and code modularity.

Bachelor's degree in Computer Science, Software Engineering, or similar discipline.

7+ years of relevant engineering experience, with 2+ years of experience in game graphics and/or game engine development.

Strong expertise in C++ development, including best practices for high-performance applications, debugging, and performance analysis.

Experience designing, implementing, optimizing, and troubleshooting changes related to game graphics and rendering.

Experience with shading languages such as GLSL, GLSL ES / ESSL, and MSL.

Experience with multi-threading, memory management and budgeting, and software design patterns.

Proven experience delivering production-quality features with appropriate levels of testing and instrumentation.

Familiar with Git and version control workflows.

Experience with Continuous Integration / Continuous Deployment (CI/CD) and automated testing frameworks.

Strong problem-solving skills and able to work and collaborate effectively in remote, distributed teams.

Experience with game engines (custom/proprietary preferred, Unity, Unreal) and their integration with native platforms.

Strong 3D math and algebra skills.

Familiarity with real-time networking and multiplayer game systems.

Experience in experimentation and feature flag systems (e.g. Amplitude, Optimizely, Firebase, or similar).

Solid understanding of Android app architecture, the JNI, and native-to-Java bridging.

Interest in building solutions that support our engaged Zwift Community of cyclists, runners, and fitness enthusiasts.

The base salary for this position ranges between $128,000- 204,000. The base salary will be based on a number of factors including the role offered, the individual's job-related knowledge, skills, qualifications, and geographic location. In addition to base salary, Zwift is proud to offer a comprehensive and competitive benefits package for all eligible employees which also includes performance bonuses, equity, and a full range of medical, financial, and other perks and benefits.

If Zwift determines in any stage of our interviews that any AI tools are being used without disclosure or citation, your candidacy will be disqualified.

Your resume/CV is enough to show off your skills, accomplishments, and experience. However, if you choose to include a cover letter introducing us to your awesome personality, we will read that too.

We strongly believe that different backgrounds and ideas are a competitive advantage; we hire candidates of any race, color, ancestry, religion, sex, national origin, sexual orientation, gender identity, age, marital or family status, disability, Veteran status, and any other status. Zwift is proud to be an Equal Opportunity Employer. If you have a disability or special need that requires accommodation, please let us know by emailing careers@zwift.com .