Forward Deployed Engineer

Fonio; Wien; Hybrid; EUR 65,000 - 95,000; Full time

Benefits offered by this job

Equity

relocation support

Daily lunch and dinner

Equipment of your choice

Regular team off-sites

On-site in Vienna

Job summary

fonio is seeking a Forward Deployed Engineer to drive deployments for the DACH market. You will translate customer needs into robust implementations, including integrations, workflows and guardrails.

You’ll collaborate with Product/Engineering and Go-to-Market to ensure fast, stable, repeatable deployments across the DACH region. The role emphasizes hands-on coding, API integrations, and cloud deployment fundamentals, with German and English language proficiency required.

Qualifications

• 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.

Responsibilities

• 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

Skills

Strong coding

AI systems & LLMs

Workflow thinking

APIs & webhooks

Cloud fundamentals

Pragmatic working style

German & English

Tools

n8n

Job description

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

Hiring Process

1. 15 min Intro Call with Talent Acquisition

2. 90 min Deep Dive with our Head of Commercial Deployment and our Head of Delivery

3. 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.