Founding French Forward-Deployed AI Engineer

Happyrobot Inc.; Barcelona; On-site; EUR 90,000 - 120,000; Full time

Job summary

HappyRobot Inc. in Barcelona is seeking a Forward Deployed Engineer to join our founding France team. You will work directly with customers to maximize value of our AI platform and contribute to onboarding, implementation, and ongoing support.

The role blends strong technical work with clear communication, including full-stack development, AI/ML applications, and close collaboration with product and customer success teams to deliver tailored solutions.

Qualifications

• Native or fluent French speaker (C1/C2) 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.

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

React

TypeScript

Node.js

Python

LLM prompting

APIs

AI/ML applications

Communication

Project management

Tools

React

TypeScript

Node.js

Python

Job description

HappyRobot Inc. in Barcelona is seeking a Forward Deployed Engineer to join our founding France team. You will work directly with customers to maximize value of our AI platform and contribute to onboarding, implementation, and ongoing support.

The role blends strong technical work with clear communication, including full-stack development, AI/ML applications, and close collaboration with product and customer success teams to deliver tailored solutions.