Frontend Developer (Ultimate Guitar, Monetisation Team)

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, 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 Front-End Developer to join the Ultimate Guitar Monetization Team. Ultimate Guitar is the world’s leading guitarist community, featuring over 1.1 million tabs and chords. Since its inception in 1998, UG has attracted a vibrant community of over 10 million registered users who actively create, share, and learn tabs, engage in forums, and contribute lessons and articles—all while staying connected to the latest music news and reviews. Join us to make a meaningful impact in the world of music!

Key Responsibilities:

• Developing experiments for optimization monetization funnel on the desktop and mobile web.
• Working with a cross-functional team to test and validate hypotheses.
• Write clean, well-documented, and testable code that sticks to best practices.
• Help us continuously improve our development process and infrastructure.
• Monitor and improve technical metrics in the product.
• Participate in team brainstorming for new hypotheses and projects.
• Lead projects from hypothesis development to release as the owner.

Required Experience and Skills:

• 3+ years of experience in frontend development
• Knowledge of design patterns in OOP and FP, with a focus on React/Redux applications. Architectural thinking and an understanding of SOLID principles
• Strong understanding of JS (ES2019 specification) and TypeScript
• Experience in optimizing core web vitals and page speed metrics
• Experience in optimizing application bundle size, deep understanding of web application rendering types (CSR, SSR), and different approaches to routing
• Understanding web application debugging and profiling using Chrome DevTools
• Experience with implementing product experiments
• At least B2 level of English

Nice to have:

• Experience with monetization funnels and billing services
• Experience with PHP
• Understanding of CI/CD principles