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MLOps Engineer

Barcelona💼 Full-time🗓 2025-12-21 → 2026-09-28

Core

Build and maintain Wallapop's ML Platform and MLOps practice to support complex solutions in Personalization, Search, Trust & Safety, and Logistics for millions of users.

Role type

MLOps Engineer

Builds

Scalable ML platforms and pipelines for a second-hand marketplace

Domain

E-commerce / Marketplace / Machine Learning

Deliverable

production ML models

Required skills

Python, Git, CI/CD, AWS (SageMaker, Lambda, S3), Kubernetes, Kafka, Vector databases (OpenSearch, Vertex AI), ML orchestration/tracking (Flyte, MLFlow, Feast), Pandas, Scikit-learn, TensorFlow/Pytorch

Preferred skills

LLMs, RAG architectures (LangChain, LlamaIndex), Big Data (Spark, Beam), Data Engineering tools (Airflow, dbt, Datahub), GCP, Azure

Responsibilities

Iterate and maintain the ML Platform to improve speed, reliability, and maintainability; Partner with Data Scientists to provide tooling for developing, deploying, and monitoring scalable models; Adopt and promote engineering best practices (coding standards, testing, CI/CD) within the ML domain; Partner with Data Engineering and DevOps to align ML development with company-wide infrastructure and data governance standards; Investigate and integrate new frameworks and tools for LLMs or real-time inference

Seniority

Mid-Senior, hands-on IC

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