Senior Backend Engineer Python (m/w/d)
STRĂ–ER labsCologne, North Rhine-Westphalia, Germany
Posted March 10, 2026
Full Time
About the Company
STRĂ–ER labs is a global team of developers from Germany, Czech Republic, and New Zealand dedicated to empowering media independence. They specialize in running high-volume real-time auctions for publishers and advertisers, leveraging cutting-edge technologies like JavaScript, Node.js, MongoDB, and Kafka. With a focus on clean code, test-driven development, and agile methodologies, STRĂ–ER labs delivers innovative solutions that optimize content monetization and audience engagement.
Job Description
We are looking for a Senior Backend Engineer Python (m/w/d) in full-time for our location in Cologne at the earliest possible date. You will develop and improve the new leading data system in the area of outdoor advertising.
Requirements
- Completed degree, completed apprenticeship, or relevant professional experience in the field of computer science
- At least 4 years of professional experience in the field of software engineering or a comparable position
- Experience with Prompting Large Language Models (LLMs) and working with generative KI
- Experience with Python/Django and Django REST Framework
- Experience with pytest and databases like MSSQL
- Safe German and English skills
Benefits
- 30 days of holiday
- Sabbatical
- Flexible work model
- Mobility & allowances
- Allowance for company day-care
- Company catering
- Capital benefits
- Corporate benefits
- Additional services
- Further development
- Onboarding events
- Modern offices
- Employee referral program
- Occupational health services
- Company events
- Communities
- IT benefit program
