> Markdown version of [/jobs/ext/2766021-customer-facing-ai-engineer-full-stack-ml-innovator](https://www.wearedevelopers.com/jobs/ext/2766021-customer-facing-ai-engineer-full-stack-ml-innovator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Customer-Facing Ai Engineer - Full-Stack & Ml Innovator - **Company:** Jobtailor - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Python (Programming Language), Machine Learning, Node.Js, TypeScript, ReactJS, Large Language Models - **Published:** September 6, 2026 - **Apply:** https://www.buscojobs.com.es/customer-facing-ai-engineer-full-stack-ml-innovator-en-barcelona-ID-369676841 ## About the Role 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. #J-*****-Ljbffr ## Description 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.#J-*****-Ljbffr