Senior ML Engineer — LLM Systems & Evaluation

Grid Dynamics; Islas Baleares; Presencial; EUR 90.000 - 130.000; Jornada completa

Descripción de la vacante

Grid Dynamics is seeking a Senior Machine Learning Engineer focused on LLM systems and evaluation in Spain. You will own end-to-end ML projects, design evaluation frameworks, and build datasets and benchmarks for model and product performance.

You will work with product, engineering, and research teams to translate business goals into measurable ML objectives, prototype rapidly, and communicate findings to both technical and non-technical stakeholders.

Formación

• 5+ years of experience in ML engineering or related field.
• Strong understanding of machine learning fundamentals and model evaluation.
• Strong Python programming skills and experience with modern ML frameworks such as PyTorch, TensorFlow, or JAX.
• Understanding of retrieval-augmented generation (RAG), agentic systems, and LLM safety concepts.
• Experience training, fine-tuning, or adapting machine learning models.
• Experience working with Large Language Models beyond simple API integration.
• Experience evaluating AI systems and translating results into actionable recommendations.
• Experience building and maintaining machine learning systems and pipelines.
• Ability to work effectively in ambiguous problem spaces with incomplete requirements and limited data.
• Strong written and verbal communication skills.

Responsabilidades

• Own machine learning projects from problem definition through implementation.
• Design and implement evaluation methodologies for AI and machine learning systems.
• Create datasets, benchmarks, and metrics to measure model and product performance.
• Evaluate and improve LLM-based systems, including RAG applications, agents, safety systems, and end-to-end AI products.
• Analyse model behaviour, identify failure modes, and recommend practical improvements.
• Build and maintain ML pipelines, tooling, and evaluation infrastructure.
• Collaborate with product, engineering, and research teams to translate business goals into measurable ML objectives.
• Prototype and iterate rapidly to solve business and product challenges.
• Communicate findings, trade-offs, and recommendations to both technical and non-technical stakeholders.

Conocimientos

ML engineering experience

Python programming

PyTorch

TensorFlow

JAX

LLMs and RAG concepts

Model evaluation

Communication skills

Herramientas

PyTorch

TensorFlow

JAX

Docker

MLflow

Descripción del empleo

Grid Dynamics is seeking a Senior Machine Learning Engineer focused on LLM systems and evaluation in Spain. You will own end-to-end ML projects, design evaluation frameworks, and build datasets and benchmarks for model and product performance.

You will work with product, engineering, and research teams to translate business goals into measurable ML objectives, prototype rapidly, and communicate findings to both technical and non-technical stakeholders.