Full Stack Engineer – AI Systems

Full Stack Engineer – AI Systems
Location: Switzerland
Salary: CHF 90,000 -120,000
About the Company
An innovative AI company is building a new generation of proactive applications designed to make everyday digital tasks more intelligent and useful.
The product focuses on persistent context, AI-driven workflows and reliable real-world task completion, moving beyond traditional chatbot experiences.
The Role
We are looking for a Full Stack Engineer – AI Systems to help turn advanced AI capabilities into reliable, production-ready workflows.
You’ll work across frontend, backend and AI integrations, designing systems that allow AI agents to plan, use tools, handle failures and complete multi-step tasks.
What You'll Do
Build end-to-end features across frontend, backend and AI integrations
Design agent workflows involving planning, tool use, failure and recovery
Integrate LLMs, memory systems and external tools
Build real-time AI interactions using streaming and partial results
Improve reliability, observability and fallback mechanisms
Work closely with ML, Backend and Product teams
Take features from concept through to production
What We're Looking For
Strong experience in full-stack software engineering
Solid understanding of system design and API architecture
Experience with LLMs, RAG, AI agents or AI-powered applications
Strong backend experience, ideally with Python and/or Node.js
Experience building production-grade software in fast-moving environments
Strong ownership and ability to make pragmatic technical decisions
Tech Stack
Next.js | Python | Node.js | PyTorch | OpenAI | Anthropic | Open-source LLMs | SQL/NoSQL | Kubernetes | Docker
You don't need experience with every technology listed — strong engineering fundamentals and AI experience are what matter most.
Why Join?
You’ll join a small, high-calibre engineering team with significant ownership and the opportunity to work on AI-native products from the ground up.
The team moves quickly, values independent thinking and focuses on building AI systems that are reliable, proactive and genuinely useful.
Interested? Apply now or get in touch to find out more.

Work arrangement
No