Barcelona, Full-time, Hybrid We are a boutique search firm connecting exceptional Talent with the most innovative companies and products that positively impact our societies. We present a tailor‐made solution between fine consulting and versátil Talent search process outsourcing: Fractional Talent Acquisition Advisory Company summary Our client is a high‐growth European tech scale‐up on a mission to redefine how the world consumes. They believe in a collaborative economy where smart technology makes sustainable, second‐hand trade the global norm.

Operating as a major cross‐border marketplace in Spain, Italy, and Portugal, they manage a massive ecosystem with hundreds of millions of products. Their goal is to blend the trust of traditional classifieds with the seamless convenience of a modern marketplace. Work hand‐in‐hand with Data Scientists to support their efforts, ensuring they have the tooling to develop, deploy, and monitor scalable models efficiently.

Define 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. Proven experience building and owning production‐ready ML platforms and pipelines.

You understand the full lifecycle from experimentation to monitoring.



Deep understanding of AWS components (SageMaker, Lambda, S3) and container orchestration with Kubernetes. Strong software engineering background with proficiency in Python, Git, and CI/CD workflows.

Experience with real‐time ML architectures, leveraging tools like Kafka for low‐latency ingestion and inference. Hands‐on experience with vector databases or semantic search infrastructure (e.g., Familiarity with the broader ML toolkit, such as orchestration/tracking tools (Flyte, MLFlow, Feast) and standard libraries (Pandas, Scikit‐learn, TensorFlow/PyTorch). Professional proficiency in English and Spanish, with the ability to explain complex technical concepts to diverse stakeholders.

Familiarity with Big Data technologies like Spark or Beam.

Experience with Data Engineering tools such as Airflow, dbt, or Datahub.

Experience with other cloud platforms like GCP or Azure in addition to AWS. We believe both the company and its culture are strongest when composed of diverse experiences and backgrounds. All qualified applicants will receive consideration for employment without regard to age, color, family, gender identity, marital status, national origin, physical or mental disability, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws. net

📌 Machine Learning Engineer - Scale Up - 2nd Hand Marketplace (Cataluña)
🏢 Fledge
📍 Cataluña