CareerPlanSign in

Machine Learning Engineer - Scale Up - 2nd hand Marketplace

España💼 Full-time🗓 2026-09-18 → 2026-09-23

Core

Building and maintaining production ML platforms and pipelines for a cross-border second-hand marketplace, focusing on MLOps, real-time inference, and semantic search infrastructure.

Role type

Senior Machine Learning Platform Engineer (MLOps)

Builds

Scalable ML infrastructure, real-time inference systems, and vector search capabilities for a marketplace ecosystem.

Domain

E-commerce / Second-hand marketplace / Cloud Infrastructure

Deliverable

infrastructure

Required skills

MLOps, AWS (SageMaker, Lambda, S3), Kubernetes, Python, CI/CD, Kafka, Vector databases (OpenSearch, Vertex AI), ML orchestration (Flyte, MLFlow, Feast)

Preferred skills

LLMs, RAG architectures (LangChain, LlamaIndex), Big Data (Spark, Beam), Data Engineering (Airflow, dbt)

Responsibilities

Define long-term vision and roadmap for MLOps; support Data Scientists with tooling for model development and deployment; establish engineering best practices; partner with Data Engineering and DevOps on infrastructure alignment; integrate new frameworks for real-time inference and semantic search.

Seniority

Senior, hands-on IC

Sourced via adzuna · Listed on CareerPlan, which tracks 860,000+ jobs from 20+ sources.