Customer-Facing AI Engineer — Full-Stack & ML Innovator

Jobtailor; Barcelona; Presencial; EUR 70.000 - 110.000; Jornada completa

Descripción de la vacante

Jobtailor is seeking a driven full-stack engineer to work closely with customers from onboarding through ongoing usage, helping them integrate and optimize our AI solutions.

You will build new features and scalable tools using React, TypeScript, Node.js, and Python, while designing AI/ML applications and refining LLM prompts to improve outcomes. Collaboration with Product, Engineering, and Customer Success is essential.

Formación

• Strong full-stack experience with React, TypeScript, and 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: highly independent, takes ownership, and thrives in a fast-paced environment.

Responsabilidades

• Customer-Facing Engineering – work with customers from onboarding to ongoing usage.
• Technical Development – build features, MVPs, and scalable solutions.
• Full-Stack Development – use React, TypeScript, Node.js, Python.
• AI/ML Applications – design, implement, and iterate on AI/ML solutions, including LLM prompting, tuning of voices, and transcribers.
• Integration & APIs – manage APIs and integrations with third-party systems.
• Cross-Functional Collaboration – partner with Product, Engineering, and Customer Success teams.
• Iterative Problem-Solving – iterate on AI solutions based on feedback.
• Project Management – prioritize and manage multiple projects under deadlines.

Conocimientos

React

TypeScript

Node.js

Python

LLM prompting

AI/ML applications

API integrations

Communication skills

Project management

Founder mindset

Herramientas

REST APIs

Third-party integrations

Descripción del empleo

Jobtailor is seeking a driven full-stack engineer to work closely with customers from onboarding through ongoing usage, helping them integrate and optimize our AI solutions.

You will build new features and scalable tools using React, TypeScript, Node.js, and Python, while designing AI/ML applications and refining LLM prompts to improve outcomes. Collaboration with Product, Engineering, and Customer Success is essential.