About fonioWe grew from $1M to $10M ARR in under 12 months and now serve 10,000+ customers.
Fonio is Europe’s market leader for AI phone agents for SMBs. Now we’re expanding globally and into new products.
We move fast, take ownership, give direct feedback, and avoid politics and unnecessary meetings.
Join one of Europe’s fastest-growing companies.
Your RoleAs a Forward Deployed Engineer for our for our French 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 French market.

What you'll do
Capture customer requirements and translate them into concrete implementation plansBuild and roll out fonio setups in production: workflows, logic, prompts, guardrailsImplement integrations with third-party systems (APIs, webhooks, CRM, calendar, ticketing, etc.)Develop smaller features and glue code to cleanly map customer casesDebug under production

conditions:
calls, flows, edge cases,



fast fixesBuild reusable templates and deployment playbooks to make setups scalableDeliver product feedback: bring pain points and feature gaps to the team, prioritized and concreteWho we're looking forSolid coding

skills:
you can implement independently, not just configureStrong understanding of AI systems and LLMs (prompting, tool-use, RAG, failure modes)Workflow thinking: translate complex processes into robust, testable flowsExperience with APIs, webhooks, auth, and common integration patternsCloud fundamentals: deployments, observability, debugging in productionHighly pragmatic working style: ship fast, make it stable, iterateBonus: Voice/Telephony, n8n, TypeScript/Python, SQL, monitoring/tracing, GDPRFrench at native or near-native level + solid EnglishWhat

we offer
Competitive

salary:
€60,000–€95,000 per year100% Focus Time (no regular meetings)Unlimited budget when the ROI is rightExtreme speed (we ship almost daily)Thousands of enthusiastic customers building the product together with usHiring Process25 min intro30 min deep dive with CTO & Co-Founder Matthias20 min culture fit with one of our founders

📌 Forward Deployed Engineer (España)
🏢 fonio
📍 España