European Union
7 months ago

Job Overview

Job Type
FullTime
Pay
€65K – €95K • Offers equity

Job description

Salary:
EUR 65,000 - 95,000 per year
Location:
European Union
Work arrangement:
On-site

Role Summary

As a forward deployed engineer, you work directly at the interface between product and customer setups. You record requirements, translate them into robust implementations and bring fonio live to customers - including integrations, automations and ongoing optimization.

You work closely with product/engineering and go-to-market and ensure that deployments are fast, stable and repeatable.

Responsibilities

THIS AWAITS YOU

  • Record customer requirements and translate them into concrete implementation plans
  • Build and roll out fonio setups in production: workflows, logic, prompts, guardrails
  • Implement integrations into third-party systems (APIs, webhooks, CRM, calendar, ticketing, etc.)
  • Develop smaller features and glue code to clearly represent customer cases
  • Debugging under production conditions: calls, flows, edge cases, quick fixes
  • Build reusable templates and deployment playbooks to make setups scalable
  • Provide product feedback: prioritize pain points and feature gaps and bring them specifically to the team

Requirements

WHO WE ARE LOOKING FOR

  • Solid coding skills: you can implement independently, not just configure
  • Strong understanding of AI systems and LLMs (Prompting, Tool-Use, RAG, Failure Modes)
  • Workflow thinking: translating complex processes into robust, testable flows
  • Experience with APIs, webhooks, auth and common integration patterns
  • Basic understanding of cloud: deployments, observability, debugging in production
  • Very pragmatic way of working: deliver quickly, make it stable, iterate
  • Bonus: Voice/Telephony, n8n, TypeScript/Python, SQL, Monitoring/Tracing, GDPR
  • German at native level & English fluently

Benefits

  • Competitive salary: €65,000-€95,000 per year
  • 100% Remote: But if you feel like working in the office, we have one of the coolest offices in the 7th district in Vienna (lunch & dinner included)
  • 100% Focus Time (no regular meetings)
  • Unlimited budget if the ROI is right
  • Extreme speed (we ship almost daily)
  • Thousands of enthusiastic customers who develop the product together with us

About the Company

ABOUT FONIO

We grew from $1M to $10M ARR in less than 12 months and already have over 10,000 customers.

Fonio is the European leader in AI voice agents for SMBs. We are now expanding worldwide and into new product areas.

We act quickly, believe in a high degree of ownership, practice direct feedback and avoid company politics and unnecessary meetings.

Become part of one of the craziest growth stories in Europe.

Additional Information

  1. 15 min getting to know each other
  2. 30 min deep dive with CTO & co-founder Matthias
  3. 20 min Culture Fit with one of the founders
Role:
Forward Deployed Engineer
Job Type:
FullTime

Company profile

fonio provides an AI phone assistant that answers business calls around the clock, books appointments, handles routine inquiries and forwards calls to the right employees. The service is 100% GDPR-compliant and designed for German-language calls, and it sends call transcripts by email or text message. fonio serves small and medium-sized businesses such as medical practices, trades and agencies, and reports growing from $1M to $10M ARR in under 12 months with 10,000+ customers. The company is based in Vienna and led by CEOs Daniel Keinrath and Matthias Gruber.

Headquarters
Vienna, Austria

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