Senior Backend Software Engineer (Python) (f/m/d)

Permanent employee, Full-time · Cologne/Hybrid

What you will do
Our development team works in a self-managed and self-organized manner according to agile and DevOps principles and practices. You will work on developing our backend, data and cloud infrastructure. This is a role where you will work end-to-end on building production software for getting data from our customers, transforming and processing the data to make it available for our frontend or our AI tools. Together with the development team you will:
  • Develop new features to generate insights for our customers, e.g., by processing customers manufacturing process data as well as using Process Mining technologies
  • Define and build APIs, add functionality to the frameworks backing our AI products and optimize processing of manufacturing data 
  • Define and build our data processing framework and connectors from and to our customers systems
  • Co-define and implement new backend product features
  • Research new technologies and develop tech strategies in your domain
  • Participate in knowledge transfer across the team
What we expect from you
  • Enthusiasm for and willingness to familiarize yourself with a SaaS B2B product for manufacturing processes
  • Coding experience with Python including scientific computing and analysis packages (e.g., pandas, NumPy) and web API development (FastAPI or similar)
  • Experience with cloud-based architecture (e.g., Kubernetes, Google Cloud)
  • Experience with data processing and transformation, databases, data pipelines (e.g. Dagster, Prefect or similar), knowledge of connecting to IIoT platforms is a plus
  • High levels of organizational skills, ability to work independently with a strong sense of ownership
  • Master’s degree in Computer Science, Engineering, Machine Learning or related technical fields
  • Several years of experience working as a software engineer, backend developer or similar roles
  • Experience with Typescript/React is a bonus but not required
  • If you choose to work remotely: Residence within the EU and willingness to travel to Cologne (by train) from time to time for in person workshops or team events
What we offer
  • We work differently, we highly value transparency, integrity and authenticity. We trust and respect each other, which leads to a very collaborative working environment where we ensure that everyone can contribute ideas and decisions are made based on competency.
  • We are agile and fast paced, you will have the opportunity to take on as much responsibility as you want to and go beyond your job description to push (your) progress. 
  • We truly care about work culture and make it a priority by regularly spending time reflecting on our teamwork, by actively committing work time to keep our strong team spirit and by incorporating activities into the workday to create balance.
  • We contribute to fighting climate change by helping our industrial manufacturing customers reduce their carbon emissions with our products, by being aware of our own environmental impact and by being carbon neutral as a company.
  • All other benefits that make work more pleasant like flexible hours, part-time options, possibility to work remote, regular team events and offsites, 30 days PTO, weekly yoga sessions etc.
How to apply
We'd love for you to apply even if your experience doesn't precisely match the job description. Please use our job portal for your application, we are looking forward to hearing from you! If you have any questions, please contact us at
About us
ONIQ has set out to enable the transformation of manufacturing to a sustainable and efficient tomorrow. With our software we help industrial companies to produce more efficiently and conserve resources while becoming more agile and cost-efficient at the same time.
At ONIQ, we are proud of our corporate culture. We work according to the principles of “new work” and believe that outstanding performance is based on team spirit, opportunities for growth and mutual support.

Learn more about ONIQ at
Your application!
We appreciate your interest in working at ONIQ. Please fill in the following short form. Should you have any difficulties or questions, please contact us by mail at

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