Founding France Forward-Deployed Engineer

happyrobot.ai; Barcelona; On-site; EUR 110,000 - 150,000; Full time

Benefits offered by this job

Healthcare

Dental & Vision coverage

Equity

Job summary

HappyRobot is seeking a Forward Deployed Engineer as part of its founding France team, based in Barcelona or working with our French customers. You will directly engage with clients to onboard, implement, and support our AI platform, while contributing to product development.

You’ll build features across the stack, tune AI models, and ensure successful integrations. As a founder-minded, independent engineer, you’ll own projects, ship robust solutions, and collaborate with product, engineering,

Qualifications

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

Full-stack experience

Python

LLM prompting

APIs integration

Communication

Project prioritization

Founder mindset

Tools

React

TypeScript

Node.js

Python

Job description

HappyRobot is seeking a Forward Deployed Engineer as part of its founding France team, based in Barcelona or working with our French customers. You will directly engage with clients to onboard, implement, and support our AI platform, while contributing to product development.

You’ll build features across the stack, tune AI models, and ensure successful integrations. As a founder-minded, independent engineer, you’ll own projects, ship robust solutions, and collaborate with product, engineering,