AI Machine Learning & LLM Software Engineer - Madrid or Barcelona - Fixed Term Contract - Hybri[...]

Envirorec; Madrid; Híbrido; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A leading recruitment agency is seeking an experienced AI Machine Learning & LLM Software Engineer to join a growing team in Madrid or Barcelona. This hybrid role involves developing LLM and computer vision projects, requiring deep technical skills and team leadership. Fluent English is required. Competitive salary up to €80k p/a, plus benefits.

Servicios

Competitive salary & benefits package

Opportunity to lead transformative projects

Collaborative, international work culture

Formación

• Proven experience fine-tuning LLMs (beyond API integration).
• Strong Computer Vision background.
• Hands-on coding ability in relevant frameworks.
• Knowledge of MLOps and cloud environments.
• Experience leading ML/AI teams.

Responsabilidades

• Drive end-to-end development of LLM and CV projects.
• Oversee deployment of models at scale.
• Collaborate with cross-functional teams.

Conocimientos

Fine-tuning LLMs

Computer Vision

Python

PyTorch

Hugging Face

TensorFlow

MLOps

Cloud environments (AWS/GCP/Azure)

Docker

Kubernetes

Descripción del empleo

Overview

AI Machine Learning & LLM Software Engineer - Madrid or Barcelona - Fixed Term Contract - Hybrid remote working - up to €60k-80k p/a - English language only

We are a specialist recruitment agency seeking an AI Machine Learning and LLM software engineering specialist to join our client's growing AI / ML team in Madrid OR Barcelona.

This role will be offered on a fixed term contract basis lasting until around the middle of 2026.

Candidates must speak fluent English (Spanish is not required but would be useful).

Salary range is roughly €60k-80k p/a + bonuses + relocation allowance

If you're passionate about pushing the boundaries of

Large Language Models (LLMs)

Computer Vision

and you thrive at the intersection of

hands-on technical work and team leadership

we'd love to hear from you.

What You'll Do

• Work in a team of talented ML and AI engineers.
• Drive end-to-end development of Large Language Model and CV projects from research to production.
• Work hands-on with Large Language Model fine-tuning (LoRA / QLoRA), pruning, quantization, and compression to optimize performance.
• Oversee deployment of models at scale, balancing innovation with production-grade reliability.
• Collaborate with cross-functional teams to translate business needs into technical solutions.
• Shape the team's roadmap, ensuring alignment with company goals.

What We're Looking For

• Proven experience fine-tuning LLMs (beyond API integration) – LoRA, QLoRA, pruning, quantization, distillation.
• Strong Computer Vision background – object detection, segmentation, multimodal learning.
• Hands-on coding ability in Python, PyTorch, Hugging Face, TensorFlow.
• Knowledge of MLOps and cloud environments – AWS / GCP / Azure, Docker, Kubernetes, CI/CD.
• Experience leading ML / AI teams, mentoring engineers, and delivering production-grade systems.
• Excellent communication skills – able to engage with both technical and business stakeholders.

Nice to Have

• Experience with RAG systems, agentic AI, or multimodal models.
• Exposure to high-performance optimization tools – DeepSpeed, TensorRT, OpenVINO.
• Academic publications or open-source contributions in ML / AI.

Why Join?

• In this company you'll work with cutting-edge AI in a world-class research & innovation hub.
• Competitive salary & benefits package.
• Opportunity to lead transformative LLM & CV projects.
• Collaborative, international work culture.

Interested? Apply now or reach out directly for a confidential chat.