Applied AI Engineer: Build Real-World AI Features (Remote)

DNA325; Madrid; Presencial; EUR 60.000 - 95.000; Jornada completa

Descripción de la vacante

DNA325 is seeking an Applied AI Engineer to turn model capability into real product behavior. You will own problems end-to-end—from shaping model behavior to building the systems around it, ensuring reliability in production.

The role sits at the intersection of machine learning, systems, and product to make AI work for users, not just in demos. You will design prompts, tools, and agent workflows, translating model outputs into dependable software with strong collaboration across product and

Formación

• Strong foundation in machine learning and modern neural network architectures.
• Hands-on experience training, fine-tuning, or deploying ML models.
• Ability to write clean, production-quality code.
• Comfort working across abstraction layers - model, infra, product.

Responsabilidades

• Build and ship AI features end-to-end (model -> system -> user experience).
• Design and iterate on prompts, tools, memory, and agent workflows.
• Turn raw model outputs into structured, reliable, predictable behavior.
• Debug issues across the full stack - model, orchestration, infra, UX.
• Optimize for latency, cost, and production reliability.

Conocimientos

ML fundamentals

Neural networks

Production code

Model deployment

Cross-functional work

Problem solving

Herramientas

Python

PyTorch

JAX

LLMs

vLLM

vector DB

Descripción del empleo

DNA325 is seeking an Applied AI Engineer to turn model capability into real product behavior. You will own problems end-to-end—from shaping model behavior to building the systems around it, ensuring reliability in production.

The role sits at the intersection of machine learning, systems, and product to make AI work for users, not just in demos. You will design prompts, tools, and agent workflows, translating model outputs into dependable software with strong collaboration across product and