Eterniti is the leading operator of vacation rentals in iconic holiday destinations, led by a passion for excellence, authentic adventures, and hospitality. With over €2 billion in assets under management, we operate 800+ chalets, villas and apartments under 3 consumer brands: Emerald Stay (our 4* brand), Bo House (our 5* brand) and Verbier Exclusive (our Palace brand). Our guests can discover our properties in more than 25 exceptional destinations across Europe and North America.

Eterniti is accelerating its data-driven strategy and strengthening its Data & Artificial Intelligence division. We are looking for a Data Engineer

to structure, leverage, and maximize the value of our data for our web products and AI projects. You will be at the heart of the data value chain, from collection to delivery in our analytics tools and applications.

RESPONSIBILITIES

Data Pipelines and Data Engineering

Design and develop data collection, transformation, and loading pipelines (ETL/ELT).

Structure and model data to meet analytical and application needs.

Ensure the quality, consistency, and freshness of data across all systems.

Automate data flows between various sources and destinations.

Analytics and Reporting (Metabase)

Design and maintain dashboards, reports, and key performance indicators in Metabase.

Support internal teams in leveraging and understanding data.

Be proactive in proposing KPIs and data visualization improvements.

Model NoSQL data schemas tailored to the group's use cases.

Optimize queries, aggregations, and indexes to ensure performance.

Ensure data consistency and implement migration strategies when necessary.

Prepare, clean,



and structure datasets for AI applications

Collaborate with product teams to integrate AI components (LLM, NLP, etc.) into applications.

Participate in technology watch on AI tools and frameworks.

Web Projects (Node.js)

Contribute to the back-end of the group's web projects in collaboration with the development teams.

KEY INFORMATION

Starting date: as soon as possible

Permanent contract (Indefinite Spanish contract)

Full-time position: 40-hours / week

The recruitment process is the following:

Step 1: screening call for selected candidates

Step 2: case study

Step 3: 15-minutes talk with our Lead Dev

Step 4: video interview with our CTO and our Head of AI

Step 5: video interview with HR

Step 6: reference check

ABOUT YOU

The must-haves

Master's degree (Bac+5) in Computer Science, Data Engineering, Statistics, or equivalent.

Minimum 3 years of experience in data engineering.

Significant experience with MongoDB and a BI tool (ideally Metabase)

Experience with NoSQL/MongoDB and a BI tool

Knowledge of dbt for data transformation.

Familiarity with the Node.js environment

Use of AI in service of data

Rigor and strong organizational skills in data handling.

Curiosity and interest in data valorization.





Team spirit and ability to explain technical topics in simple terms.

Autonomy, proactivity, and ability to propose solutions.

Professional English

Technical Skills

MongoDB:

NoSQL modeling, aggregations, performance optimization.

AWS:

Strong knowledge of data services (S3, Lambda, Glue, Athena, Redshift).

Python and/or TypeScript

for scripting and data processing.

AI/ML fundamentals:

Understanding of core concepts, dataset preparation, LLM API integration.

Advanced SQL:

Complex queries, optimization, CTEs, window functions

Nice to Have

Experience with workflow orchestration tools (Airflow, Prefect, n8n).

Experience with Metabase

Experience with vector databases (ChromaDB)

Familiarity with event-driven architectures (Kafka, SQS/SNS).

ABOUT US

We offer a work environment that values and empowers people while fostering personal development. In May 2026, Eterniti was honored with the Guest Impact Award by Mews, recognizing our commitment to outstanding guest experiences, and we are also proudly Happy at Work certified, reflecting our dedication to employee well-being and workplace culture. Our culture is dictated by the following values :

Make Mistakes

- We foster a creative environment where the best ideas win, where it is okay to make mistakes and unacceptable not to learn from them.

Question

- We don't accept the status quo and look for ways to leverage technology while empowering people.

Speak Up

- We are true people who give honest feedback, who are not afraid to share opinions and wh

📌 Data Engineer (Barcelona)
🏢 Eterniti
📍 Barcelona