Principal Software Engineer - Desktop and Mobile Applications - Roon

HARMAN International; United States; Remote; USD 134,000 - 197,000; Full time

Benefits offered by this job

Flexible remote work

Employee discounts on Harman/Samsung

Training & development opportunities

Wellness benefits

Tuition reimbursement

Recognition program

Job summary

HARMAN International's Roon team seeks a senior software engineer to architect, develop, and maintain high-performance desktop and mobile applications for HiFi enthusiasts across Windows, macOS, iOS, Android, and Linux.

You will lead cross-platform development with C# and .NET, design systems for audio content and low-latency streaming, and mentor peers to raise the technical bar while aligning engineering with business goals.

Qualifications

• 10+ years of professional software engineering experience.
• Experience with C# and .NET based technologies.
• Strong systems software understanding including networking, memory management and filesystems.
• Cross-platform development for Windows, macOS, iOS, Android, Linux.

Responsibilities

• Architect, develop and maintain high-performance desktop and mobile applications across Windows, macOS, iOS, Android, and Linux.
• Lead cross-platform development initiatives using C# and .NET technologies to improve scalability and product evolution.
• Design and optimize systems that manage audio content, metadata, and low-latency streaming across networks.
• Mentor team members on architecture, performance profiling and debugging to raise the technical bar.
• Identify risks in project delivery and communicate complex concepts to stakeholders.
• Drive innovation in audio streaming and system architecture to enhance user experience and reliability.

Skills

C#

.NET

Cross-platform development

CI/CD

Networking

Concurrency

Performance optimization

Education

Bachelor's degree in Computer Science

Tools

Docker

VMware

Hyper-V

Job description

A Career at HARMAN

As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you’ll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day.

About the Role

At Roon, we are at the forefront of revolutionizing the way people experience music. Since our inception, we have dedicated ourselves to developing software that transforms music streaming into an immersive journey, tailored specifically to the listener’s preferences and unique tastes.

Under the umbrella of Harman International, Roon continues to operate with the spirit of a nimble startup, backed by the resources and reach of a global powerhouse. Our team comprises passionate individuals who believe in the power of music to connect and inspire. We are developers, designers, engineers, and audiophiles united by a common goal—to make listening to music more engaging, personal, and connected.

What You Will Do

• Architect, develop and maintain high-performance desktop and mobile applications for HiFi audio enthusiasts across Windows, macOS, iOS, Android, and Linux, driving technical direction and ensuring seamless cross-platform experiences.

• Lead cross-platform development initiatives using primarily C# and .NET-based technologies, applying deep expertise to improve scalability, maintainability, and long-term product evolution.

• Design and optimize complex systems that manage audio content, music metadata, and low-latency audio streaming across local networks, leveraging your mastery of network protocols and concurrency models to deliver robust solutions.

• Serve as a technical leader and mentor, guiding team members in best practices for architecture, performance profiling, and troubleshooting, while raising the overall technical bar.

• Proactively identify and address risks in project delivery, communicate complex technical concepts to stakeholders, and influence decisions to align engineering efforts with business goals.

• Drive innovation in audio streaming and system architecture, recommending and implementing advanced solutions that enhance user experience, performance, and reliability.

What You Need to Be Successful

• 10+ years of professional software engineering experience , including experience owning end-to-end delivery of complex projects.

• Extensive experience with C# and . NET based technologies.

• Strong systems software understanding of data storage, processing, memory management, filesystems, networking, and concurrency.

• Sound understanding of network protocols and cross-platform development ( Windows, macOS, iOS, Android, and Linux ).

• Experience with automated pipelines for continuous build and integration systems ( CI/CD ).

• Familiarization with containerization and virtualization technologies (Docker, VMware, HyperV, etc) and packaging software for these environments.

Bonus Points if You Have

• Bachelor’s degree in computer science or other related field.

• Specializing in any of the following areas: UI/UX engineering, Mobile application development, Networking, Graphics (real-time rendering or image processing), Audio (playback, management, processing), Software performance profiling, debugging, and optimization.

• Experience with media playback engines on desktop and / or mobile platforms.

• A passion for delivering top-notch audio experiences to users and an interest in the audio technology domain.

• Familiarity with GPU programming and Node.js.

What Makes You Eligible

• Be willing to travel up to 5%, domestically and internationally.

• Able to work virtually in any US time zone.

• Successfully complete a background investigation and drug screen as a condition of employment.

What We Offer

• Flexible work environment, allowing for full-time remote work globally for positions that can be performed outside a HARMAN or customer location

• Access to employee discounts on world-class Harman and Samsung products (JBL, HARMAN Kardon, AKG, etc.)

• Extensive training opportunities through our own HARMAN University

• Competitive wellness benefits

• Tuition reimbursement

• “Be Brilliant” employee recognition and rewards program

• An inclusive and diverse work environment that fosters and encourages professional and personal development

_ Salary Ranges: _

$ 134,250 - $ 196,900

HARMAN is proud to be an Equal Opportunity / Afffiinte Action employer. All qualified applicants will receive consideration for employment without regard torace, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.