📣 From solo freelancer to agency - "Code to Cashflow" by Thomas Marbella [Advertising] More info

Fullstack Developer (m/w/d)

Job description

The client is looking for a Fullstack Developer to support the team with developing features for their AI assistant platform.

Initially, the task is to implement new features for Open WebUI, which the client's platform is based on.
If the initial assignment works well, the client would like to continue working with the freelancer.
Long-term, the role involves independently developing new features, bug fixes, and enhancements to our platform.

Must have skills
Python, Svelte

Nice to have skills
TypeScript, React.js, Vue.js

Start date
Earliest: Apr 27, 2026
Latest: May 1, 2026

Length
2-4 weeks
The initial assignment will be for roughly 2-4 weeks, but the client's goal is a long-term cooperation.

Engagement
Full- or parttime possible

Remote
Fully possible

Language requirements
German skills are not stricly required but would be very beneficial.

Budget
90-110€ per hour
incl. Uplink fee