Forward Deployed Engineer (Polish)

About fonio

We 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 Role

• As a Forward Deployed Engineer for our for our Polish 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 Polish market . This is a Warsaw-based role, ideally suited to someone who can operate natively in Polish.

What you'll do

• •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

Who we're 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: translate complex processes into robust, testable flows
• •Experience with APIs, webhooks, auth, and common integration patterns
• •Cloud fundamentals: deployments, observability, debugging in production
• •Highly pragmatic working style: ship fast, make it stable, iterate
• •Bonus: Voice/Telephony, n8n, TypeScript/Python, SQL, monitoring/tracing, GDPR
• •Polish at native or near-native level & English fluent

What we offer

• •Competitive salary: €60,000–€85,000 per year
• •Warsaw-based role, with relocation to Vienna for onboarding; we also have one of the coolest offices in Vienna's 7th district (lunch & dinner included)
• •100% Focus Time (no regular meetings)
• •Unlimited budget when the ROI is right
• •Extreme speed (we ship almost daily)
• •Thousands of enthusiastic customers building the product together with us

Hiring Process

25 min intro

30 min deep dive with CTO & Co-Founder Matthias

20 min language check with Piotr

20 min culture fit with one of our founders