Senior Back End Developer

JOIN YOUSICIAN

Yousician impacts and enriches the lives of millions of people by empowering them to play the music they love, learn something new, and nourish their well-being with something meaningful. We merge music and tech to amplify the everyday. We reimagine the way people learn to play so that everyone can play.

And, you don't need to be a musician to join Yousician!

We’re a band of passionate professionals who love what they do, are great at it, and move to the beat of the same drum. We’re for all players, from newbies to seasoned pros. If you are looking for a rewarding career opportunity that helps shape the future of music-tech, you’re in the right place!

WHY YOU SHOULD APPLY

As a Backend Developer, you'll play a pivotal role in developing critical backend services for our GuitarTuna product, the world's #1 product for tuning your instruments. You won’t just write code, you’ll own critical backend systems, drive technical excellence, and ensure our platform scales to support millions of users worldwide. Your expertise will help refine how we build, deploy, and optimize backend services, ensuring a seamless experience for our users.

You’ll be involved from ideation to release, making high-impact decisions that influence our product and users at scale.

WHAT YOU WILL DO

As a Backend Developer at Yousician, your day-to-day responsibilities will include:

• Designing and implementing new features, ensuring robustness and maintainability and scalability.
• Establish and advocate for best coding practices, driving improvements in code quality and system architecture.
• Own complex troubleshooting and debugging efforts, proactively identifying and resolving performance bottlenecks
• Conduct and mentor others in code reviews, fostering a high standard of engineering excellence.
• Collaborate closely with cross-functional teams to drive architectural decisions and long-term technical strategy.
• Guide and support junior developers, sharing knowledge and best practices.

WHAT YOU NEED TO SUCCEED

• Strong experience in backend development
• Advanced proficiency in Python 3 and backend frameworks like Flask or FastAPI.
• Deep experience with REST-based API development and database technologies (MongoDB, SQL).
• Strong cloud experience, with expertise in deploying scalable applications on cloud platforms.
• Experience with unit testing and test-driven development (TDD), preferably using Pytest or similar frameworks.
• Strong communication and collaboration skills, ensuring smooth teamwork in an agile, cross-functional environment

Nice-to-Haves:

• Experience with monetization strategies, including Apple Store and Google App Store integrations.
• Familiarity with Unity and the ability to read app code.
• Experience with serialization frameworks like Pydantic.

WHAT WE OFFER

• You’ll have an opportunity to join our international team, backed by the top VC’s and competing with the best education applications in the world
• You'll have a meaningful and profound impact on the lives of millions of musicians and future musicians all around the world.
• You’ll get to work with a passionate and friendly growing band of PMs, designers, developers and data scientists.
• You'll get a competitive compensation package - salary, perks- and work in an awesome office in the heart of Helsinki.

HOW TO APPLY

Send us your application and CV (in English). Let's make the world a more musical place together! #rockon

ABOUT US

Yousician is where music, technology, and education come together to create something extraordinary. As the world’s largest music-tech company, we’re on a mission to make musicality as common as literacy. With interactive, gamified lessons and songs, plus courses and collaborations with world-famous artists like Metallica, Billie Eilish, and more, Yousician empowers people to play music they love. Yousician is also home to GuitarTuna, the #1 guitar tuner app, and has been recognized with international awards including WIRED’s hottest Finnish start-up, SXSW, Midem, Launch.edu, and educational awards such as Sunday Times’ 'World's best apps' and Best European Learning Game. Today, Yousician employs 120+ professionals from nearly 30 nationalities.

CANDIDATE PRIVACY

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