Senior Ai Engineer With Node.Js

buscojobs España; Madrid; A distancia; EUR 30.000 - 50.000; Jornada completa

Descripción de la vacante

A leading company is seeking fully remote Senior AI Engineers for B2B contracts. The ideal candidate will have 4+ years in software engineering, with a strong focus on AI and relevant tools such as LangChain and vector databases. This role offers opportunities to work on innovative AI applications in a collaborative environment.

Formación

• 4+ years in software engineering with 2+ years focused on AI.
• Hands-on experience with vector databases and semantic search.
• Excellent communication skills and a collaborative mindset.

Responsabilidades

• Develop AI applications focused on B2B solutions.
• Deploy and maintain AI agents in production environments.
• Utilize prompt engineering and fine-tuning techniques.

Conocimientos

Software engineering

AI/LLM applications

Prompt engineering

Semantic search techniques

Collaboration

Herramientas

LangChain

LangGraph

Pinecone

Weaviate

Chroma

AWS

Azure

Descripción del empleo

Our client is looking for fully remote Senior AI Engineers on a B2B contract - 40h / week. Only candidates available ASAP or within 2 weeks of notice.

Required Skills & Experience :

• 4+ years in software engineering with 2+ years focused on AI / LLM applications.
• Proficient in LangChain , LangGraph , or related agent orchestration frameworks.
• Hands-on with vector databases (e.g., Pinecone, Weaviate, Chroma) and semantic search techniques.
• Experience deploying AI agents in production.
• Strong understanding of prompt engineering , fine-tuning , API integrations , and retrieval pipelines .
• Familiarity with cloud platforms (e.g., AWS, Azure) and DevOps workflows is a plus.
• Excellent communication skills and a collaborative mindset.

Preferred :

• Experience working on AI tools for creative / design applications.
• Familiarity with front-end frameworks (React, Next.js) to bridge AI and UI layers.
• Exposure to tools like OpenAI Assistants API, Anthropic Claude, or Google Gemini.

Seniority level

Seniority level

Mid-Senior level

Employment type

Employment type

Contract

Job function

Job function

Information Technology

IT Services and IT Consulting

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