Senior Frontend Developer

Senior Frontend Developer

Cyprus or Remote Musescore Core

We are seeking a Frontend Developer to join the Musescore.com team, playing a key role in maintaining technical quality. We are actively integrating AI and automation into all areas of the business and expect candidates with a mindset focused on improving efficiency and delivering a better user experience.

Key Responsibilities

• 5+ years of experience in frontend development
• 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 optimization 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 optimizing 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.
• Developing at least one product for at least 3 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

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. 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.