About the Position

Data Engineer

Barcelona, Catalunya, Spain

Full Time

Experienced

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 Group is accelerating its data-driven strategy and strengthening its Data team. We are looking for a Data Engineer to structure, make reliable, and get the most out of our data, in support of our web products and business teams. You will sit at the heart of the data value chain, from collection all the way to delivery in our analytics tools and applications.

Responsibilities

Data Pipelines and Data Engineering

Design and build data collection, transformation, and loading pipelines (ETL/ELT).
Structure and model data to meet analytical and application needs.
Ensure data quality, consistency, and freshness across all systems.
Automate data flows between the various sources and destinations.

Analytics and Reporting (Metabase)

Design and maintain dashboards, reports, and key metrics in Metabase.
Write optimized queries to feed business dashboards.
Help internal teams use and understand their data.
Proactively suggest KPIs and data visualization improvements.

Databases (MongoDB)

Design NoSQL data schemas suited to the group’s use cases.
Optimize queries, aggregations, and indexes to ensure performance.
Ensure data consistency and implement migration strategies when needed.

Web Projects (Node.js)

Contribute to the back-end of the group’s web projects alongside the development teams.
Take part in designing application-side data models.

Requirements

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).
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.
You are based in Barcelona or willing to relocate (we have a hybrid model).

Technical Skills

MongoDB: NoSQL modeling, aggregations, performance optimization.
Metabase: Dashboard creation, SQL/NoSQL queries, administration.
AWS: Strong knowledge of data services (S3, Lambda, Glue, Athena, Redshift).
Node.js: REST API development, server-side data manipulation.
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.
Familiarity with event-driven architectures (Kafka, SQS/SNS).

We Offer

Competitive salary
Permanent contract (Indefinite Spanish contract)
Full-time position: 40-hours / week
Flexible work environment: hybrid model with office work on Tuesdays and Wednesdays
Well-being program: up to 300€ annually for wellbeing expenses from 1st anniversary
Coaching program from 1st anniversary
Team member referral program
Property referral program
Yearly off-site
Regular optional team events
Emerald Stay membership with discounts on stays and services

About the Company

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 who don't talk behind one's back.
Think Big - While staying humble, we aim for the stars and work towards established goals and metrics.
Don’t Compromise - We are obsessed with quality, like a Swiss watchmaker.
Care - We care about our team members, our partners, and our clients, and make our passion and our work one and the same.

We are demanding - everyone really counts at Emerald Stay. But keep in mind that we value hard work and give growth opportunities to those who deserve it. We want you to grow with the company.

Feeling aligned? Then we want you on the Emerald Stay team!

Data Engineer

Job description