Founding Forward Deployed Engineer, French Speaking

Jobtailor; Madrid; On-site; EUR 60,000 - 90,000; Full time

Job summary

Jobtailor in Madrid seeks a French-speaking Full‑stack AI Engineer to collaborate with customers from onboarding to deployment. You will build features using React, TypeScript, Node.js, and Python, and design AI/ML solutions including LLM prompting and tuning to support valued customer outcomes.

You will manage APIs and third‑party integrations while partnering with Product, Engineering, and Customer Success to craft tailored solutions in a fast-paced environment.

Qualifications

• Native or fluent French (C1/C2) essential for direct communication with French-speaking customers.
• Strong full-stack experience: React, TypeScript, Node.js.
• Hands-on proficiency in Python.
• Experience building AI/ML applications, including LLM prompting and tuning.
• Ability to manage APIs and integrate with third-party systems.
• Excellent communication skills to explain technical concepts to non-technical stakeholders.
• Proven ability to prioritize and manage multiple projects under tight deadlines.
• Founder mindset: independent, takes ownership, thrives in a fast-paced environment.

Responsibilities

• Customer-Facing Engineering – Work closely with customers from onboarding to ongoing usage, helping them integrate and optimize our AI solutions.
• Technical Development – Build new features, MVPs, and scalable solutions that directly impact customer outcomes.
• Full‑Stack Development – Utilize React, TypeScript, Node.js, and Python to develop robust applications and tools.
• AI/ML Applications – Design, implement, and iterate on AI/ML solutions, including LLM prompting, tuning of voices, and transcribers to optimize use cases.
• Integration & APIs – Manage APIs and integrations with third‑party systems to ensure seamless functionality for customers.
• Cross‑Functional Collaboration – Partner with Product, Engineering, and Customer Success teams to deliver tailored solutions.
• Iterative Problem‑Solving – Continuously iterate and improve AI solutions based on customer feedback and evolving requirements.
• Project Management – Prioritize and manage multiple projects under tight deadlines while maintaining high‑quality results.

Skills

French fluency

Full‑stack

React

TypeScript

Node.js

Python

AI/ML apps

LLM prompting

API integrations

Communication

Project prioritization

Entrepreneurial mindset

Job description

Responsibilities

• Customer‑Facing Engineering – Work closely with customers from onboarding to ongoing usage, helping them integrate and optimize our AI solutions.
• Technical Development – Build new features, MVPs, and scalable solutions that directly impact customer outcomes.
• Full‑Stack Development – Utilize React, TypeScript, Node.js, and Python to develop robust applications and tools.
• AI/ML Applications – Design, implement, and iterate on AI/ML solutions, including LLM prompting, tuning of voices, and transcribers to optimize use cases.
• Integration & APIs – Manage APIs and integrations with third‑party systems to ensure seamless functionality for customers.
• Cross‑Functional Collaboration – Partner with Product, Engineering, and Customer Success teams to deliver tailored solutions.
• Iterative Problem‑Solving – Continuously iterate and improve AI solutions based on customer feedback and evolving requirements.
• Project Management – Prioritize and manage multiple projects under tight deadlines while maintaining high‑quality results.

Requirements

• Native or fluent French speaker (C1/C2 level) – essential for direct communication with French‑speaking customers.
• Strong full‑stack experience: React, TypeScript, Node.js.
• Hands‑on proficiency in Python.
• Experience building AI/ML applications, including LLM prompting and tuning.
• Ability to manage APIs and integrate with third‑party systems.
• Excellent communication skills with the ability to explain technical concepts to non‑technical stakeholders.
• Proven ability to prioritize and manage multiple projects under tight deadlines.
• Founder mindset: highly independent, takes ownership, and thrives in a fast‑paced environment.