Senior Principal Engineer, Machine Learning Full-time

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 Roon

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 Labs 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.

About the Role

As a Senior Principal Machine Learning Engineer, you will help build the recommendation systems for a revolutionary new music discovery platform. This role provides a unique opportunity to be part of the founding team, guided by experienced leaders with a proven track record in launching and scaling products. You will play a key role in making critical decisions that will shape the direction and success of our platform. As our team grows, this position will transition into a Team Lead role.

Our product aims to deliver a modern, challenging, and ambitious user experience by seamlessly integrating content delivery, audio playback, machine learning, and recommendation systems. Be a part of transforming music consumption with us.

What You Will Do

• Build state-of-the-art recommendation systems from the ground up and see them through to production.
• Serve as the in-house expert on machine learning and recommendation systems.
• Collaborate closely with app developers and engineers to ensure project success.
• Make critical early-stage development decisions to ensure long-term success.
• Operate in a fast-paced, startup-like environment to launch a new business within Harman.
• Work with a high degree of autonomy and ownership.
• Actively engage with business and product stakeholders in an iterative, dynamic environment.

What You Need

• Experience: 15+ years in machine learning engineering.
• Leadership: Demonstrated engineering leadership as a team lead or staff engineer.
• Technical Skills: Proven experience building production-grade ML systems using Python.
• Recommendation Systems: Strong experience in building, measuring, and operating recommendation systems.
• Generative AI: Familiarity with Generative AI technologies.
• Recommendation Techniques: Experience with neural recommendation systems, collaborative filtering, and content-based recommendations.
• Cloud Platforms: Hands-on experience with GCP, AWS, and Azure.
• Deployment Technologies: Expertise with Docker, Kubernetes, and Serverless architectures.
• Backend Architecture: Strong knowledge of databases, caches, event streaming, queues, data warehouses, etc.
• System Architecture: Experience in architecting, launching, and maintaining machine learning systems in development and production.

What is Nice to Have

• Bachelor’s degree or higher-level completion in computer science or another related field.
• Experience deploying machine learning workloads to production
• Experience with music information retrieval systems
• Experience working with social networking products or datasets
• A passion for music and interest in working on products that bring joy to music lovers worldwide.

What Makes You Eligible

• Position is 100% Remote
• You must be available for meetings and team interaction during typical continental US business hours.
• Be willing to travel up to 5%, domestically and internationally.
• Successfully complete a background investigation and drug screen as a condition of employment.

What We Offer

• Competitive wellness benefits and 401K Retirement Savings plan.
• An inclusive and diverse work environment that fosters and encourages career development opportunities.
• Flexible work schedule with a culture encouraging work-life integration and collaboration in a global environment.
• Professional development opportunities through HARMAN University’s business and leadership academies and extensive course catalog.
• Tuition Reimbursement.
• Access to employee discounts on world-class HARMAN products (JBL, Harman/Kardon, etc.).
• “Be Brilliant” employee recognition and rewards program.

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Salary Ranges:

USD 142,500 – USD 209,000

HARMAN is proud to be an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, 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.