AI Engineer

MediaRadar, Inc.

. Design and implement scalable ML solutions independently .

Posted 10/2/2026full-timeMadrid • SpainMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing scalable machine learning solutions, with a strong focus on Python programming, SQL, and vector databases. Capable of optimizing data ingestion processes and ensuring robust AI output through effective use of observability tools.

Highest-signal resume keywords

Expert Python ProgrammingDeep SQL KnowledgeVector Database ExpertiseMachine Learning Solution DesignRAG Pipeline Deployment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Machine LearningPythonSQLVectorizationDatabase MigrationClassification SystemsAttribution SystemsChain of Thought PromptingMulti-Agent WorkflowsPerformance Optimization

Soft Skills

Independent WorkAdaptabilityCollaboration

Tools & Technologies

AlembicLangfuseAI Coding AssistantsLLMsPg_trgmHNSW

Certifications & Qualifications

Degree in Computer ScienceDegree in Telecommunications

Industry Keywords

Data IngestionScalabilityClean CodeVision-Based MLWindow Context Detection

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Design and implement scalable ML solutions independently
Build and fine-tune classification and attribution systems for complex data, including ad creatives and global brand deduplication
Implement Chain of Thought prompting and multi-agent workflows
Optimize vectorization and manage database migrations with Alembic
Ensure high-throughput data ingestion with minimal supervision
Implement guardrails and Langfuse observability for explainable and robust AI output
Use AI coding assistants and LLMs to increase development productivity

Requirements

What you’ll need

Strong degree in Computer Science or Telecommunications (Teleco)
Clean code, architecture, and scalability expertise
Active participation in hackathons or a portfolio of ambitious side projects
Proven ability to thrive in international roles without constant lead structure or heavy supervision
Expert Python, including typing, async, and performance
Deep SQL and vector database knowledge, including pg_trgm and HNSW
Experience building and deploying RAG pipelines and LLM agents
Knowledge of vision-based ML, window context detection, and multi-agent scaling

Benefits

Comp & perks

Inclusive and accessible workplace
Equal Opportunity Employer
Reasonable accommodation during the application or interview process