Take part in designing application-side data models

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

Create optimized queries to power business dashboards

Support internal teams in leveraging and understanding data

Be proactive in proposing KPIs and data visualization improvements

Databases (MongoDB) 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

Artificial Intelligence 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





Take part in designing application-side data models

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 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

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

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 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.

Oh, we've got perks... Emerald Stay membership: All-year-round discount of 10% off on Emerald stays

Discount of 50% off on Emerald stays during low season, on selected properties

Discount on services in all our destinations

Birthday off

Flexible work environment : we have a versátil home office policy; you'll work at the office on Tuesdays and Wednesdays, the rest of the time, it's up to you. Feeling like working with another view? We offer 15 days yearly of remote work from wherever you'd like

Well-being program: we will contribute up to 300€ annually to your wellbeing expenses from 1st anniversary

Coaching program from 1st anniversary

Team member referral program

Property referral program

Yearly off-site

Regular optional team events

📌 Data Engineer (Barcelona)
🏢 EMERALD STAY®
📍 Barcelona