Salary Competitive

Do you have a black belt in Bluetooth functionalities and want to utilize those skills to improve the wellbeing of our costumers?  


We at Airofit are looking for our very owndeveloper to contribute to our mission:  


 “Airofit is here to enhance your quality of life. Whether you do sports, run out of breath taking the stairs or suffer from asthma or COPD, we do it for you” 


Airofit has developed a tool to help people improve their respiratory abilities and increase lung capacity. With the Airofit Breathing Trainer and an interactive, mobile app, Virtual Breathing Coach, Airofit has made respiratory training accessible to everyone. Primarily used by athletes around the globe at the moment, but the vision is to improve the lives of Olympians and amateurs as well as asthma and COPD patients.   


We need your help to improve the core functionalities and implement new functionalities in our mobile app, Virtual Breathing Coach. With knowledge of Bluetooth Low Energy, we hope that you will set out to improve the product’s functionalities. The product has been on market for 1 year and Airofit is currently growing rapidly!  


Before we define what we expect from you, we want to share what you can expect from us. 


  1. You will be part of a truly meaningful mission to improve people’s health and lives.  

  2. You will be in charge of critical tasks  

  3. You can expect a work environment where we take pride in socializing and meeting up (online) regularly 


Now, let us introduce you further to the job.  


Your tasks and responsibilities  


  • You will be responsible for improving the Bluetooth functionalities of the Airofit Breathing Trainer and the mobile app, Virtual Breathing Coach.  

  • Your key area will therefore be to transfer features from hardware to software.  

  • Over time, you will be looking to improve the back-end of our app 

  • You will participate in SCRUM activities on an ongoing basis 


The job is a full-time position and is located at our office at Østerbro, Copenhagen. You can work semi-remote with flexible hours. Our work methodology follows SCRUM principles, which means that participation in related activities is required. You will be a part of our development team with 5 developers (2 located in Serbia) and 2 UI designers.  


What we expect from you 


  1. You are analytical and can challenge current processes and designs  

  2. You are able and willing to take ownership of your assignments  

  3. You are familiar with our tech-stack, which is hosted on Azure. Our back-end runs in Node with a PostgreSQL database. The app is running on React Native. Familiarity with JavaScript and TypeScript is expected.  

  4. You want to contribute to our culture by supporting social activities  


The recruitment process 


We will not ask you to forward a resume or a cover letter. We wish to allow all applicants to show their competencies. That is why we will instead ask you to sign up to solve a relevant case, which will be assessed by Steffen Christensen, Lead Developer. All case submissions will receive feedback.


We expect you to be able to solve the case in approximately30 to 60 minutes, but we will make sure that the case is open ongoingly. Please submit your solution as fast as possible. 


After the case submissions have been reviewed, we will invite candidates to take a talent test, TT-38, and an interview.  


If you feel this place and position is the perfect match for you, simply send us a message and we will forward a link to a landing page where you can find and solve the case.


Should you have questions during the process, feel free to contact Innoflow, who are handling the recruitment.


We cannot wait to review your case answer!  


Many regards, 


For more information or questions please contact us at

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Time is precious. Make it count. Morning person or night owl, this job is for you.

Free coffee / tea
Free coffee / tea

Get your caffeine fix to get you started and keep you going.

Near public transit
Near public transit

Easy access and treehugger friendly workplace.

Social gatherings
Social gatherings

Social gatherings and games; hang out with your colleagues.

Free office snacks
Free office snacks

Peckish after lunch? We got your back with soft drinks, treats and fruit.

Free friday beers
Free friday beers

Friday is something special, let's enjoy a beer together.

See all 7 benefits

Working at
Airofit A/S

Airofit is the world's first smart personal breathing training system. We combine ancient knowledge, unmatched expertise, and the newest technology to allow people to improve their physical performance, health, and general well-being. Airofit is designed to be used 10-20 minutes a day. If you're an elite athlete, a weekend warrior or someone who simply wants a better quality of life - Airofit is for you. We were founded in 2016 and are now exponentially growing into a global company. Our expertise, focus, and dedicated team mean that we are becoming one of the most promising tech start-ups in Denmark. The app that our talented development team has been developing and constantly improving, allows the user to have access to a virtual breathing coach to monitor their progress and have a visual representation of their breathing pattern in real-time. The breathing trainer collects the user’s data and transmits it via Bluetooth to the app. For more information please contact us at

Read more about Airofit A/S

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