Senior Python Software Engineer (gn) / part-time or full-time

• Platform Architecture & Backend Ownership: Significant ownership of backend structure, system design, performance, and overall platform health

• Infrastructure & Server Management: Handling server setups, deployment pipelines, hosting stability, and site reliability 

• Security & Data Governance: Applying a security-minded approach to data protection, access controls, and system vulnerability safeguards

• Technical Mentorship & Code Quality: Conducting constructive code reviews, actively sharing knowledge, and supporting peers in their professional growth

• Product-Minded Engineering: Operating beyond code syntax, understanding direct product impact, and evaluating technical trade-offs with a focus on business outcomes

Our entire stack, both Python and JavaScript, is kept up to date on a daily basis. Django is our go-to backend framework and Lit our go-to frontend framework. We use GitHub Actions, Heroku for continuous deployment and GitHub for everything code because it's awesome!

• Seniority & Python Mastery: Several years of professional Python experience, feeling comfortable working independently on complex backend systems. 

• Web Frameworks: Strong experience with server-side web frameworks, Django experience is preferred but not required.

• Databases & Analytics: Solid database design and management capabilities. Experience with analytics/data tools (e.g., Metabase) is a plus. 

• DevOps, SRE & Debugging: Practical experience with server configuration, deployment environments, site reliability, strong debugging, and performance-tuning skills

• Mindset & Team Fit: Pragmatic, team-centered, and humble approach with an inclusive and constructive communication style, genuine enthusiasm for an active, in-person team culture (and ideally a soft spot for good coffee!). Fluent English speaking skills for international team collaboration. German is a plus.

We particularly welcome applications that continuously enrich the diversity of our team and encourage as well as enhance fresh perspectives. Applications from structurally marginalized groups are therefore explicitly encouraged and will be given special consideration.

• Unlimited access to our voiio platform – ranging from lectures and leisure activities for you and your family to fitness classes and psychological support

• 30 days of paid vacation per year and fair compensation

• Beautiful office in Berlin-Kreuzberg

• Regular strategy days, fun team events with an amazing team, and much more

• Plus: Short decision-making paths, real ownership, a highly appreciative and values-oriented company culture, and the opportunity to create measurable social impact

Sounds exciting?

Then Jörg and Michele are looking forward to your application. Please send us your CV, your GitHub profile, and let us know your earliest possible start date as well as your salary expectations.

The position is available starting November 1, 2026 part-time (min. 32h/week) or full-time.

If you have any questions, feel free to reach out to -----

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