☎️ About fonio
fonio.ai is a market leader in AI agents for SMBs. We started with phone agents and now also cover WhatsApp, web chat, email and a full AI phone system. We’re growing fast across Europe, the UK, the US and Brazil.
We grew from $1M to $10M ARR in under 12 months, then went from $10M to $20M in about 8 weeks. Today we serve 10,000+ customers.
We move fast, take ownership, give direct feedback, and avoid politics and unnecessary meetings.
Join one of the fastest-growing companies! 🚀
As a Forward Deployed Engineer for our DACH market, you work directly at the intersection of product and customer setups. You capture requirements, translate them into robust implementations, and take fonio live at customers – including integrations, automations, and ongoing optimization.
You work closely with Product/Engineering and Go-to-Market, making sure deployments are fast, stable, and repeatable across the DACH market.
Capture customer requirements and translate them into concrete implementation plans
Build and roll out fonio setups in production: workflows, logic, prompts, guardrails
Implement integrations with third-party systems (APIs, webhooks, CRM, calendar, ticketing, etc.)
Develop smaller features and glue code to cleanly map customer cases
Debug under production conditions: calls, flows, edge cases, fast fixes
Build reusable templates and deployment playbooks to make setups scalable
Deliver product feedback: bring pain points and feature gaps to the team, prioritized and concrete
Solid coding skills: you can implement independently, not just configure
Strong understanding of AI systems and LLMs, including prompting, tool use, RAG, and their failure modes
Workflow thinking: you translate complex processes into robust, testable flows
Experience with APIs, webhooks, authentication, and common integration patterns
Cloud fundamentals: deployments, observability, and debugging in production
Pragmatic working style: you ship fast, make it stable, and iterate
Native or near-native German and fluent English
Experience with TypeScript or Python and SQL
Experience with voice and telephony systems
Hands-on experience with n8n
Monitoring and tracing in production systems
Working knowledge of GDPR
Competitive salary: €65.000-€95.000 per year (based on experience)
Equity
Relocation support
Daily lunch and dinner
Equipment of your choice
Regular team off-sites
On-site in Vienna, working directly with the core-team
15 min Intro Call with Talent Acquisition
90 min Deep Dive with our Head of Commercial Deployment and our Head of Delivery
20 min Cultural Fit
How we hire?
We're AI-native, including in hiring. AI helps us to remain efficient, but people make every decision.
fonio is an equal opportunity employer. We hire for talent and ownership, whatever your background is.
Need an adjustment in the process? Just tell us.
Please send your CV in English. Then knock us off our feet 🚀
Skills Required
- Solid coding skills and ability to implement independently
- Strong understanding of AI systems and LLMs, including prompting, tool use, RAG, and failure modes
- Ability to translate complex processes into robust, testable workflows
- Experience with APIs, webhooks, authentication, and common integration patterns
- Cloud fundamentals, including deployments, observability, and production debugging
- Pragmatic working style focused on rapid, stable iteration
- Native or near-native German
- Fluent English
- Experience with TypeScript or Python and SQL
- Experience with voice and telephony systems
- Hands-on experience with n8n
- Monitoring and tracing in production systems
- Working knowledge of GDPR
What We Do
fonio’s AI phone assistant answers calls, takes the load off your team, and ensures you’re reachable 24/7, so no lead, customer, or opportunity is missed, for businesses of any size.
