Frontend Tech Lead Developer

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.
We are actively integrating AI and automation into all areas of the business and expect candidates with mindset focused on improving efficiency and deliver a better user experience.
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 principles
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:
Implementing product experiments
Technical debt management: planning, prioritizing and taking action.
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, playwright)
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.
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