Principal Software Engineer - Mobile Full Stack (Flutter) - Roon ARC

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 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:

• Develop Cross-Platform Apps: Design, build, and maintain high-performance, scalable applications for both iOS and Android using Flutter/Dart.

• Architect and Design Solutions: Translate business requirements into actionable development tasks, make architecture decisions, and implement solutions that align with existing standards while pushing for innovation.

• Enhance User Experience: Build intuitive, visually stunning interfaces while ensuring seamless performance, energy efficiency, and reliable connectivity on mobile platforms.

• Expand Features & Maintain Functionality: Add new features to our mobile music app, focusing on complex audio formats, media integration, and CarPlay/Android Auto support.

• Collaborate Across Teams: Work closely with designers, product managers, and stakeholders to deliver exceptional user experiences and improve existing features.

• Debugging & Troubleshooting: Own the debugging process to identify, address, and resolve technical issues.

• Be a Performance Advocate: Champion best practices for performance and optimization, ensuring smooth user experiences across various devices and network conditions.

• Provide Support: Occasionally assist with technical support for our users to ensure the application's reliability and ease of use.

What You Need:

• Experience: 10+ years in full-stack application development (client + backend/services), with a proven track record of delivering robust software products. Hands-on experience with mobile application development and Flutter/Dart is a significant advantage, but not mandatory

• Ownership: ability to own relevant pieces of work end-to-end, from design to implementation, either working directly on the code or guiding others. Proactivity and initiative to push projects forward. Should be comfortable working with limited guidance.

• Technical Mastery: Strong understanding of data structures, algorithmic complexity, concurrency, and ability to write clean, tested code. Comfortable working in and evolving large existing codebases.

• Mobile Expertise: In-depth knowledge of mobile performance tuning, battery optimization, cellular networking, and audio-related technologies.

• Programming Languages: Proficiency in a handful of languages across multiple paradigms, with strong Flutter/Dart skills and readiness to work with C#/.NET and some C++. Native Android/iOS experience is a plus, not a requirement.

• CI/CD Expertise: Experience with automated build and integration pipelines for seamless delivery.

• Passion for Quality: Commitment to clean and expressive code with a strong focus on testing and quality assurance.

• Collaboration Skills: Excellent communication and teamwork abilities to work effectively with cross-functional teams.

• AI literacy: Comfortable using AI tools to improve productivity, while fully reviewing, validating, and understanding any AI-assisted code or documentation

What is Nice to Have:

• Bachelor's degree in Computer Science or other related field.

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

• Experience with complex audio systems, multimedia formats, or B2C app development is a significant plus.

• Experience with Flutter/Dart, C++, C#, and .NET technologies.

• Ability to work on lower-level systems components of client software like networking, memory, and data management.

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.
Willingness to submit to a background screen and a drug test

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

You Belong Here

HARMAN is committed to making every employee feel welcomed, valued, and empowered. No matter what role you play, we encourage you to share your ideas, voice your distinct perspective, and bring your whole self with you - all within a support-minded culture that celebrates what makes each of us unique. We also recognize that learning is a lifelong pursuit and want you to flourish. We proudly offer added opportunities for training, development, and continuing education, further empowering you to live the career you want.

About HARMAN: Where Innovation Unleashes Next-Level Technology

Ever since the 1920s, we've been amplifying the sense of sound. Today, that legacy endures, with integrated technology platforms that make the world smarter, safer, and more connected.

Across automotive, lifestyle, and digital transformation solutions, we create innovative technologies that turn ordinary moments into extraordinary experiences. Our renowned automotive and lifestyle solutions can be found everywhere, from the music we play in our cars and homes to venues that feature today's most sought-after performers, while our digital transformation solutions serve humanity by addressing the world's ever-evolving needs and demands. Marketing our award-winning portfolio under 16 iconic brands, such as JBL, Mark Levinson, and Revel, we set ourselves apart by exceeding the highest engineering and design standards for our customers, our partners and each other.

If you're ready to innovate and do work that makes a lasting impact, join our talent community today!

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HARMAN is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or Protected Veterans status. HARMAN offers a great work environment, challenging career opportunities, professional training, and competitive compensation. (;br>
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Salary Ranges:

$ 120,750 - $ 177,100

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.