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AI Engineer / AI-Native Engineer

Remote from Spain·Added yesterday (last checked 23 Oct)

AD4 Octógono

105 open roles

Our summary

Salary
€35,000 - €45,000 a year

About €2,200 - €2,720 a month after tax.

Work mode
Remote from Spain
Experience
3+ years

Visa options

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Skills

This job advert was originally written in Spanish.

Requirements

What we're looking for

  • Software Engineering: 3+ years with Python (FastAPI) or TypeScript / Node.js.
  • GenAI & LLMs: Real experience integrating APIs (OpenAI, Anthropic, Gemini) or open-source models.
  • AI Ecosystem: Handling of vector DBs (Qdrant, Pinecone, pgvector) and orchestration frameworks.
  • AI-Native Mindset: Mastery of prompt engineering, function calling, and structured outputs.

Pay & benefits

What you'll get

  • 🌍 100% Remote with maximum schedule flexibility.
  • 💰 Salary: €35,000 – €45,000 Gross/Year (depending on merit and experience).
  • ⚡ Cutting-edge projects: Work with state-of-the-art technology in a dynamic environment.
  • 📈 Growth: Career plan, continuous training, and certifications in AI and Cloud.
  • 🤝 Culture: Collaborative, transparent, and results-oriented environment.

📬 Shall we connect? Let's build the future of technology together.

The role

At AD4 Octágono, we are hiring.

We are looking for an AI-Native Engineer passionate about Generative AI and intelligent systems. If you are motivated to design software from scratch thinking AI-first and to build scalable products with modern architectures, we want you on our team!

What you'll do

  • Design and deploy AI-Native applications and agents by integrating advanced models (LLMs/SLMs).
  • Build RAG pipelines, vector databases, and context memory management.
  • Orchestrate multi-agent systems (LangChain, LlamaIndex, CrewAI or custom development).
  • Ensure performance, observability, and cost/latency optimization in production.

About AD4 Octógono

AD4 Octógono is a Spanish IT services company offering specialized consulting in IT and utilities. Its services include IT consulting, IT outsourcing, IT headhunting, cloud services, managed services, business intelligence, and outsourcing and headhunting for the utilities sector.

AD4 Octógono is the company within Grupo Audinfor specialized in outsourcing and IT solutions, aiming to support organizations in their digital transformation by providing talent, technology and methodology. The company describes itself as dynamic and growing, with continuous development programs for its employees and collaborative project work.

Good to know if you are moving

  • Many roles are offered as fully remote within Spain (e.g. 'Desarrollador/a Python Junior - REMOTO', 'Full Stack Developer – Java / Angular - REMOTO (ESPAÑA)').
  • Other roles are hybrid, based in cities such as Madrid, Sevilla, Bilbao, Málaga and Barcelona.
All open roles at AD4 Octógono
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