Frontend Developer
We’re looking for a Senior Frontend Engineer to shape and deliver frontend experiences used by millions of musicians around the world.
Sheet Music Plus is a physical and digital sheet music store selling over 2.2 million licensed sheet music titles from Hal Leonard and partner publishers.
What is in it for you?
- High load product: build tools used by millions of musicians globally - from hobbyists to professionals.
- Remote-first culture: work from anywhere.
- Radical ownership: you’ll see the direct impact of your work by owning decisions and contributing to product initiatives.
- Creative synergy: collaborate with passionate technologists, musicians, and designers in a mission-driven environment.
Key responsibilities
- Design, develop, and maintain production-quality frontend features using React and TypeScript in a SSR-capable environment
- Build frontend solutions that are architecturally sound, maintainable, and aligned with platform constraints
- Collaborate closely with Product, Design, Backend, and Design System teams to deliver cohesive solutions
- Ensure clear separation of concerns between UI, business logic, and data handling
- Proactively identify and address technical debt, discussing tradeoffs explicitly
- Optimize frontend performance, including Core Web Vitals, rendering strategy (CSR/SSR), and bundle size
- Participate actively in code reviews, providing and incorporating feedback in a timely and constructive manner
- Follow established development, review, and release processes consistently
Required experience
- 5+ years of professional frontend development experience, with at least 2 years operating independently at a senior level
- Deep expertise in React and TypeScript, including component architecture, state management, and performance considerations
- Strong understanding of rendering strategies (CSR vs SSR) and practical experience building SSR-compatible frontend code
- Proven ability to design and implement maintainable frontend architecture
- Strong debugging and problem-solving skills, with the ability to independently identify root causes and resolve issues
- Experience working in large, long-lived codebases with existing technical constraints
- Ability to deliver work within reasonable timelines, provide accurate estimates, and adapt when scope or requirements evolve
- Solid understanding of web performance optimization (Core Web Vitals, rendering, bundle size)
- Proficient with browser debugging and profiling tools (e.g., Chrome DevTools)
- Strong written and spoken English (B2+)
- Ability to work overlapping hours with US colleagues is required (till 12 pm CDT)
Professional Expectations
- Comfortable working under ambiguity and progressing work
- Proactive communicator who raises risks, tradeoffs, and questions early
- Able to receive and incorporate feedback
- Demonstrates ownership through outcomes
Nice to Have
- Experience working with PHP-backed or hybrid frontend/backend systems
- Experience implementing and analyzing product experiments (A/B tests)
- Experience supporting product rebrands or large-scale redesigns
- Familiarity with CI/CD pipelines and release workflows
- Experience optimizing performance in high-traffic, revenue-critical environments
- Music background or passion for music
Benefits
Creativity every day: Make inspiring products for musicians, artists and creators – no day is the same.
Impactful work Influence the future of the music industry and change the lives of millions worldwide.
Work set up: We’ll make sure you’re set up for success with the right work equipment, whether that’s company-provided hardware or an equipment allowance.
Growth and development: Receive specialized training, language lessons, conferences and learning materials.
Team well-being: Support for your mental health and wellbeing, including confidential help during life’s tougher moments.
Muse Group empowers music makers
We create the worldʼs most popular apps for playing, recording and composing music. Through our innovative learning tools, expansive music catalogs and free open-source software, we make it easier for millions — from beginners to experienced musicians — to be creative every day. Our talented team of music lovers collaborates all over the globe, from Limassol to Seoul and Boston to Berlin.
We’re an ambitious company with the drive and culture of a startup — with many more exciting Muse Group developments to come. Hal Leonard, which joined Muse Group in 2023, is the world leader in sheet music publishing and music education. The company has a storied history of providing music learners with the very best methods and arrangements of popular music for over 70 years. Hal Leonard is also a major distributor of popular brands of instruments, gear, and software to the music trade worldwide.
