Forward Deployed Engineer

About the role

☎️ 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! 🚀

THE ROLE

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.

WHAT TO EXPECT

- 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

WHAT YOU BRING

MUST-HAVES

- 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

NICE-TO-HAVES

- 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 YOU GET

- 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