Senior Machine Learning Engineer

Grid Dynamics
León, Spain
1 day ago
Apply on www.buscojobs.com.es
Prepare application

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience required
5 years minimum
Working hours
Regular working hours

Tech stack

Application Programming Interfaces (APIs) Artificial Intelligence Distributed Computing Environment Machine Learning Tensorflow Retrieval-Augmented Generation Large Language Models Model Validation Machine Learning Operations

Job description

We are looking for a talentedSenior Machine Learning Engineer - LLM Systems & Evaluation.This is an opportunity to work on next-generation AI systems, including large language models, retrieval-augmented generation, agents, andAI safety-focused evaluation.Essential functions:Own machine learning projects from problem definition through implementationDesign and implement evaluation methodologies for AI and machine learning systemsCreate datasets, benchmarks, and metrics to measure model and product performanceEvaluate and improve LLM-based systems, including RAG applications, agents, safety systems, and end-to-end AI productsAnalyse model behaviour, identify failure modes, and recommend practical improvementsBuild and maintain ML pipelines, tooling, and evaluation infrastructureCollaborate with product, engineering, and research teams to translate business goals into measurable ML objectivesPrototype and iterate rapidly to solve business and product challengesCommunicate findings, trade-offs, and recommendations to both technical and non-technical stakeholdersQualifications:5+ yearsof experience in Machine Learning Engineering or a related field.Strong understanding of machine learning fundamentals and model evaluationStrong Pythonprogramming skills and experience with modern ML frameworks such asPyTorch, TensorFlow, or JAXUnderstanding ofretrieval-augmented generation (RAG), agentic systems, and LLM safety conceptsExperience training, fine-tuning, or adapting machine learning modelsExperience working with Large Language Models beyond simple API integrationExperience evaluating AI systems and translating results into actionable recommendationsExperience building and maintaining machine learning systems and pipelinesAbility to work effectively in ambiguous problem spaces with incomplete requirements and limited dataStrong written and verbal communication skillsWould be a plus:Experience designing benchmarks, evaluation frameworks, or automated evaluation systemsExperience with distributed training or large-scale model inferenceExperience building reusable ML tooling and internal platformsExperience with cloud platforms and modern MLOps practicesExperience working on user-facing AI products at scaleResearch experience or publications in machine learning or AI-related fields

Requirements

5+ yearsof experience in Machine Learning Engineering or a related field. Strong understanding of machine learning fundamentals and model evaluation Strong Pythonprogramming skills and experience with modern ML frameworks such asPyTorch, TensorFlow, or JAX Understanding ofretrieval-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 Would be a plus: Experience designing benchmarks, evaluation frameworks, or automated evaluation systems Experience with distributed training or large-scale model inference Experience building reusable ML tooling and internal platforms Experience with cloud platforms and modern MLOps practices Experience working on user-facing AI products at scale Research experience or publications in machine learning or AI-related fields

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.buscojobs.com.es
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

7:10 min

Exploring pathways into the machine learning engineering field

Jose Luis Latorre Millas · LIVE

1:39 min

Fundamentals of tensors and the TensorFlow library

Håkan Silfvernagel · LIVE

2:36 min

Applying supervised machine learning for practical rule extraction

Katja Träumner

5:08 min

Validating requests and responses using data transfer objects

Roman Alexis Anastasini · World Congress 2021

2:08 min

Essential engineering roles in the generative AI space

Mary Grygleski Mary Grygleski · LIVE

3:55 min

Evaluating central server APIs against edge deployment models

Hauke Brammer · World Congress 2021

Videos

See all

Related articles

See all