Frontend Lead Developer
Muse Group empowers music makers. We create the world’s 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.
We are seeking a Frontend Tech Lead Developer to join the Musescore.com team, playing a key role in maintaining technical quality and leading product frontend horizontal.
What is in it for you?
- Radical Ownership — Step into a role where your technical contribution directly shapes a growing product used by millions of creators worldwide.
- Creative Autonomy — Have the freedom to propose, test, and implement ideas that improve both user experience and developer workflows.
- Collaborative Culture — Join a team that values curiosity, constructive feedback, and great taste in music.
Key responsibilities
- Implement and deliver high-quality features for Musescore.com
- Partner with managers, designers, analysts, and engineers to address user needs and enhance the product's growth. Assistance to management in planning and prioritizing product and technical changes
- Lead a frontend team (core, grow, monetisation) and increase its productivity
- Fully own the technical quality of the product, its architecture, performance and make key decisions about the technical side of the product growth. Ensure the technical quality of the product
- Debugging and resolving technical issues
Required experience
6+ years of experience in frontend development
Skills
- Knowledge of design patterns in OOP and FP, with a focus on React/Redux applications. Strong architectural thinking and an understanding of SOLID / GRASP principl2es
- Strong understanding of JS (ES2019 specification) and TypeScript
- Knowledge of core web vitals and page speed metrics & performance optimisation experience
- Deep understanding of web application rendering types (CSR, SSR), and different approaches to routing
- Understanding web application debugging and profiling using Chrome DevTools and similar tools, especially for optimize long tasks
- At least B2 level of English
- Understanding of ci/cd principles
Experience with:
- Technical debt management: planning, prioritizing and taking action.
- Implementing product experiments
- People management (hire, onboard, personal development)
- Development processes implementation (code review, tech design review, testing culture, etc.)
- Developing at least one product for at least 3 years
- Technical leadership for at least 2 years
- Large technical migrations
- Product frontend infrastructure: creating common libraries, managing build tools (webpack / vite), eslint configs and testing tools (jest, react-testing-library, playwrite)
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: Get a generous allowance for work equipment and co-working spaces (for those not in Cyprus).
Growth and development: Receive specialized training, language lessons, conferences and learning materials.
Team well-being: Access to therapy whenever you need it, and assistance in difficult life circumstances.
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.
