Senior Backend Engineer (Python)

Vienna, Austria (Hybrid)

Are you interested in sustainability and looking for a job with a mission? Are you passionate about developing back-end components and improving the product's performance? inoqo provides climate labeling and sustainability engagement solutions for retailers and F&B brands. And guess what - we need a lot of great minds to support us in tackling one of the biggest challenges of our times.

As Senior Backend Engineer (Python) you get to directly contribute to improving our assessment engine in a team led by our Head of Assessment Engine, Fabian. Join us on either a part-time or full-time basis (30-38.5 hours) at our HQ in Vienna or remotely within the EU. Due to legal requirements, you should have your residence in either Austria, Germany, Italy, or Sweden, or be registered as a freelancer in other European countries to issue invoices. 

What's in it for you:

  • Location flexibility - decide between our office, home office, or remote 📍
  • Time flexibility - autonomy over working hours ⏰
  • Legacy in creating a more sustainable world (solving one of the biggest challenges of our time) 🌍
  • Focus Fridays 💻
  • Menstrual leave 🤲🏼
  • After work get-togethers, office cooking, holiday swap, endless coffee supply 🥳
  • Tons of learning on sustainability, entrepreneurship, productivity, etc. (think of hockey stick curve) 💡
  • Principle of Freedom and Ownership 💪🏼
  • Salary - €50-70k including potential shares (VSOP - usually around 5-15%) 💰 This is just our targeted budget, we will consider adjusting for less or more experience and the overall fit.

In this role, you will:

  • Build and improve the data pipeline and business logic of our assessment engine which is based on Python (Apache Airflow) and PostgreSQL. 
  • Develop the product according to the company’s vision and goals, in close collaboration with business and product owners. 
  • Help to shape the architecture of a product  that is able to fulfill the needs of our customers and own it from the idea over development to operations. 
  • Run tests, deploy releases, and own the running application and understand how it behaves “in the wild”. 
  • Translate requirements from LCA experts and retail industry stakeholders into software specifications 
  • Collaborate with the Data and Research team to understand and implement the methodological foundation of the assessment engine.

You're a fit because:

  • You have roughly 3-5 years of relevant experience in backend development with Python.
  • You have experience with Airflow, SQL and SQLAlchemy or related technologies.
  • You already worked in customer-facing projects, ideally in a B2B SaaS startup. 
  • You are willing to be operational and versatile, adapting your contribution in various areas as the product evolves.
  • You like to find solutions rather than problems and have demonstrated your advanced analytical thinking capacities by making product decisions based on data and A/B testing.
  • You are fluent in spoken and written English, German is a plus but not a must.


  • Advanced knowledge of SQL.
  • Experience with Ruby on Rail (RoR) so we can align even better with our Platform team.
  • Experience with Pandas and Numpy. 
  • Experience with AWS cloud infrastructure.
  • Background in math, statistics, numerical computation, etc. 

Ready to join our mission? Awesome!

Please send us your CV and a few sentences about why you think we would be a good match through the application button. We are looking forward to hearing from you!

We value diversity and seek to build an inclusive workplace that welcomes people from the broadest talent pool possible. As long as you fulfill basic requirements (location, language, technology, background), we encourage everyone, particularly women, to apply even if you don't feel that you meet all the criteria above.

Learn more about us and our mission at

Tell your friends about this position

Personal information
Professional data