We’re looking for a musically literate specialist to help evaluate the quality of AI models working with music notation and audio. You’ll contribute to QA and data labeling across OMR, Audio2Score, and Autograde, helping improve our models and build high-quality golden datasets. Strong musical understanding, attention to detail, and the ability to evaluate musical outputs in a structured way are essential. This role is offered on a contract basis, with the number of working hours to be discussed and agreed upon. Key responsibilities Required experience Strong musical literacy: able to read and evaluate music notation, scores, and audio performances Experience judging OMR (optical music recognition) and audio-to-score transcription output for accuracy Familiarity with structured/rubric-based QA scoring methodology Comfortable evaluating a range of score types (multilingual lyrics, orchestral vs. ensemble vs. solo, tabs, chord notation) Attention to detail for spot-checking datasets against ground truth Comfortable giving structured written feedback usable by engineering/product teams Benefits 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. Apply for this job Apply To This Job