Backend Engineer
If words such as APIs, microservices, databases, and the cloud set a rhythm in your heart, this might be just the role for you.
We are looking for a passionate Backend Engineer to join our cross-functional product team. Your instruments of choice are APIs, microservices, databases, as well as the cloud and you enjoy the melody created when you play them all together.
As our Backend Engineer, you'll be responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the frontend. As if this wasn’t enough, you will also be responsible for integrating the frontend elements built by your coworkers into the application.
Your playground:
- Building and improving backend API and micro-services around various aspects of learning an instrument
- Designing fault-tolerant architecture on AWS to provide an optimal experience to our users
- Ensuring our backend applications are up and running and fix any errors that arise in a timely manner
- Writing code that is easy to read, maintain, test, and follows proven practices
- Working in a cross-functional team, helping to actively shape our product’s future
What to bring along:
- At least 3 years of practical experience developing backend applications
- Excellent command of Node.js and plus points for knowledge of React
- Working knowledge of AWS services
- Good grasp of Postgres, database triggers, and indexes
- Experience in the design and implementation of REST APIs (using Node.js and Express)
- Working knowledge of Docker containers and microservices
- Experience with continuous integration and delivery as well as test-driven development
- Proactive self-starter with a positive mindset, a desire to learn, and a strong sense of ownership
- Be based within +/- 3 hours from CET
Our tech stack:
- Frontend, Backend & DB: React, Node.js, Express, Postgres, Strapi
- Mobile Languages: Kotlin, Swift, C++
- DevOps: Bitrise, Bitbucket Pipelines, Docker
- IDEs: Android Studio, Xcode
- Cloud: AWS Cloud: CloudWatch, Cloudfront, EC2, RDS, Beanstalk, Lambda, SQS, SNS, S3
- Design: Figma
- Testing: XCTest/XCUITest, Espresso, MockK, Waldo.io
- Machine Learning: Python, Tensorflow, Keras, powerful on-premise hardware
What we offer:
- Personal time off (25 days paid leave per year)
- Flexible working hours (core hours 10:00 to 14:00)
- 38.5 hour work-week (overtime compensated as time-off 1:1)
- Remote first work setup and mindset
- A small team (25-30) with lots of individual impact and responsibility
- Fun, relaxed, and regular remote team events and onsite team retreats
- Shared and lived values: Agility, Curiosity, Unity, Transparency, and Empathy
- Dedicated time to continuous learning and personal growth
- Mental wellbeing initiatives such as Mindfulness Wednesdays and optional paid external therapy sessions
Your contact: Stephanie Süllwald (Talent Scout)

Our salary range starts at an annual compensation of EUR 44.000 to a maximum of EUR 55.000. Your actual offer within this range will depend on your skills and experience.
- Department
- Product Development
- Locations
- Remote
- Remote status
- Fully Remote
- Yearly salary
- 44000 - 55000 EUR
JOB OPENINGS
JOIN THE STAGE and become part of the Fretello journey to help people express themselves through music.
While we are remote-first here at Fretello, we would like to show our support for all Ukrainians and are able to offer assistance and support to all current and prospective employees in obtaining a Red-White-Red card (residence permit) should they wish to relocate to Austria.
To expand the team and passionately fulfill our vision, we are currently looking for:
About Fretello GmbH
We empower every individual to express themselves through music with an AI-based app. Our team collaborates remotely from all corners of the world or on-site in Linz to offer the best possible music learning experience to our users. Founded in September 2016, we have grown into a warm-hearted and passionate bunch of 25+ people. Join the stage to learn and support us in a surrounding that allows you to be yourself, contribute, grow, and smile.
NOT A GUITAR PLAYER?
Not true, you certainly are! Whilst we all share some love for music, the only instrument every Fretellian should be able to play is air-guitar 🤘
Backend Engineer
If words such as APIs, microservices, databases, and the cloud set a rhythm in your heart, this might be just the role for you.
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