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Growth Engineer

Remote, Barcelona·Full-time·Added 1 month ago (last checked 26 Oct)

fonio

38 open roles

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Our summary

Salary: €80,000 - €120,000 a year
About €4,410 - €6,250 a month after tax, or €4,750 - €7,280 under the Beckham regime.
Work mode: Remote (Barcelona)
Contract: Full-time
English: Required
Other languages: German

Visa options

The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Pay clears the EU Blue Card threshold
The advertised pay is over the €41,356 bar, so the route exists if fonio uses it.

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Skills

Nice to have

This job advert was originally written in German.

Requirements

What we're looking for

Someone who already:

brings Data & Product Analytics experience - you can independently analyze funnels, derive hypotheses from data, and know which metrics are truly relevant.
can implement Frontend & Design at the highest quality - you have a strong eye for UX and details and can bring designs pixel-perfect into production.
has extensive experience with TypeScript, React and Node.js (ideally NestJS) in a SaaS product.
brings experience with Growth Experimentation, A/B Testing and Conversion Rate Optimization and makes data-driven decisions.
is familiar with modern Analytics, Attribution and MarTech stacks and can independently set up and further develop tracking, events, and integrations.
speaks German as a native language to actively help shape our AI, and is also fluent in English.
ideally brings Data Science experience - for example, in building predictive models for CLTV

Pay & benefits

What you'll get

Competitive salary: €80,000-€120,000 per year
100% Remote: But if you feel like being in an 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.

The role

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

Fonio is the European market leader for AI voice agents for SMBs. Now we are expanding worldwide and into new product areas.

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

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

What you'll do

As a Growth Engineer, you will take ownership of our acquisition and activation funnel as well as the entire MarTech setup.

Own the Funnel: You are responsible for our acquisition and activation funnel end-to-end - from landing pages through signup and onboarding to the first successful value moment.
Experiment & Ship: You identify bottlenecks using data, develop hypotheses, and independently ship experiments, new flows, and features to increase conversion and activation.
Own the Growth Stack: You are responsible for our entire tracking and MarTech setup - from product analytics and attribution to CRM, lifecycle automation, and the associated integrations.
Turn Data into Product: You analyze user behavior and funnel data and translate insights directly into concrete product improvements.

Hiring process

15 min introductory chat
30 min Deep Dive with CTO & Co-Founder Matthias
90 min Technical Interview with Case Study / Live Coding
15 min Culture Fit with CEO & Co-Founder Daniel Keinrath

About fonio

Fonio is a technology company that provides a customer service and support platform for modern businesses. The company offers a suite of tools designed to streamline customer interactions, automate workflows, and improve team collaboration. Fonio is a relatively small, venture-backed startup operating in the customer service software space, competing with larger, established players in the market.

Fonio has its Spanish headquarters in Barcelona, which serves as its main operational hub for the Spanish market. The company is actively hiring international professionals, particularly those with Italian, French, and German language skills, to support its expansion into new European markets. This makes it a relevant employer for international professionals looking to relocate to Spain, offering a multicultural and dynamic work environment.

Founded: 2021
Employees: 11–50
Headquarters: Barcelona, Spain
In Spain: Barcelona

Good to know if you are moving

Fonio's team is international, with colleagues from various European countries, making it a multicultural environment.
The company's working language is English, but it is actively hiring for Italian, French, and German-speaking markets, which is a plus for multilingual professionals.
The company is a startup, offering the opportunity to have a high impact on its growth and development.
The company offers a remote-friendly work culture, allowing for flexibility in location.
The company is focused on the European market, making it a good fit for professionals looking to work in a fast-paced, international environment.

All open roles at fonio