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Senior Software Engineer, Game Systems

ZwiftOnsite

Location:


Remote - eligible US locations

About the role and about you:


As Senior Software Engineer, Game Systems, you'll work with a team of talented engineers to ensure that Zwift customers have a smooth, stable game experience across all of our supported platforms, including iOS, Windows, Android, Mac, and Apple TV. You will work at the heart of our game platform, and play an important role in building and optimizing our game systems, application architecture, and player-facing experiences.This role is ideal for engineers with strong C++ skills who can effectively deliver results, deal with ambiguity, and collaborate closely with teammates and stakeholders.

You will focus on writing high-quality, testable code, improving application performance, creating instrumentation and metrics, and ensuring compatibility across a wide range of platforms and devices. You will have the opportunity to shape the technical foundation of our game and help us innovate in the fitness gaming space.If you're excited about solving complex technical challenges, driving engineering and operational excellence, and working on a product that inspires millions of users worldwide, we'd love to hear from you!

What you’ll do: 


  • Design and implement game 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, and UX designers to design, plan, test, and deliver high-quality features.
  • Optimize game performance through profiling, instrumentation, and improvements in CPU utilization, memory usage, 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.

What we’re looking for: 


  • Bachelor's degree in Computer Science, Software Engineering, or similar discipline.
  • 5+ years of relevant engineering experience.
  • Strong expertise in C++ development, including experience with native libraries and performance optimization.
  • Familiarity with multi-threading, memory management, 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.

Bonus points: 


  • Experience with game engines (Unity, Unreal, or custom-built) and their integration with native platforms.
  • Familiarity with real-time networking and multiplayer game systems.
  • Experience in experimentation and feature flag systems (e.g. Optimizely, Firebase, or similar).
  • Experience with Java and modern Android development practices.
  • 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.

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.

For All US Based Full-Time Positions:


The base salary for this position ranges between $128,000 to $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.

How to stand out among the rest:


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.

Zwift, Inc. is an Equal Opportunity Employer.



Life at Zwift

Thrive Here & What We ValueStrong technical expertise in native and cross-platform mobile development (iOS, Android, React Native, etc.). | Solid people management experience, including hiring, career development, mentoring, and performance management. | Proven experience leading teams using agile methodologies like Scrum and Kanban. | Experience leading remote and distributed teams. | Excellent communication skills for both technical and non-technical audiences. | Demonstrated ability to work with high independence in situations where business problems and technology strategies may not yet be defined. | Interest in building solutions that support our engaged Zwift Community of cyclists, runners, and fitness enthusiasts.</s> | 15. Comprehensive and competitive benefits package for all eligible employees | 16. Performance bonuses, equity, and full range of medical, financial, and other perks and benefits.</s> | Passion for cycling, running, triathlons, and other sports | Experienced Zwifter</s> | 1. Emphasis on teamwork and collaboration | 2. Focus on innovation and creativity | 3. Commitment to excellence in all aspects of the business | 4. Encouragement of continuous learning and development | 5. Support for worklife balance and employee well-being</s> | Emphasis on delivering strong business results and optimizing the various levers of member experience (CES and NPS), productivity, efficiency, and quality | Willingness to travel, as needed | Comprehensive and competitive benefits package for all eligible employees</s> | High value on flexibility, transparency, and fun while supporting team to do their best work | Embracing experimentation and iteration and mentoring others along the same lines | Contributing to technical strategy development and occasionally influencing cross-team technical direction | Equal Opportunity Employer with a strong belief that different backgrounds and ideas are a competitive advantage</s> | Strong belief that different backgrounds and ideas are a competitive advantage; hires 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 | Offers comprehensive and competitive benefits package for all eligible employees</s> | 1. Comprehensive and competitive benefits package for eligible employees | 2. Performance bonuses, equity, full range of medical, financial, and other perks and benefits | 3. Equal Opportunity Employer | 4. Strong belief in different backgrounds and ideas being a competitive advantage</s> | Flexible remote work options | Proud to be an inclusive workplace that values diverse backgrounds and ideas</s>

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