FullStack Support Developer
deepset GmbH
We’re hiring a Forward Deployed Full-Stack Engineer to work directly with our strategic customers. If you love solving complex product challenges hands-on and want to see your work deliver immediate, real-world impact, this role is for you.
With Haystack, thousands of developers build advanced LLM applications every day, while our Haystack Enterprise Platform helps companies turn large language models into business value. We’re remote-first, flexible, and built on a culture of trust and ownership. You’ll collaborate with top-tier tech talent, tackle meaningful challenges, and help transform complex AI into solutions that are simple, powerful, and ready for the real world.
Own technical outcomes from POC → production : frontend workflows, backend services, customer-specific integrations, and feature extensions.
Build intuitive React/TypeScript UIs and robust backend logic in Python that enable enterprises to orchestrate large-scale LLM applications.
Unblock enterprise environments by defining API requirements, designing data flows, aligning on authentication models (e.g., Define success metrics with customers: usability expectations, performance constraints, data consistency guarantees, and UX quality standards.
Support planned releases, customer rollout coordination, and backward-compatibility validation to ensure smooth upgrades.
Document clearly: setup guides, UX flows, API examples, best practices , and “golden path” usage patterns.
7+ years of professional experience in Full-Stack Engineering, Solutions Engineering, or Forward-Deployed/Customer-Facing Engineering roles.
- Strong proficiency in JavaScript/TypeScript, React , and backend development in Python .
- REST APIs , data modeling, and SQL databases
- Experience integrating with enterprise systems (authentication, APIs, security/compliance requirements).
German language skills
Benefits
- Remote-first setup with flexible hours & tech of your choice
- 30 days vacation + extra days for family sick leave
- Competitive salary & stock options for every team member
- Dog-friendly Berlin HQ
Backed by GV and Balderton, we’re growing the world’s production AI community and customer base solving challenges too critical to get wrong.
Visit us to learn more: deepset Website | Haystack Website | GitHub | Linkedin | X deepset (Twitter)| X haystack (Twitter)
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