Junior Data Engineer

Multiverse Computing

Multiverse Computing

Data Science
San Sebastián, Gipuzkoa, Spain
Posted on Aug 28, 2025
Technical · San Sebastian, Spain

Junior Data Engineer

Multiverse Computing

Multiverse is a well-funded, fast-growing deep-tech company founded in 2019. We are the largest quantum software company in the EU and have been recognized by CB Insights (2023 and 2025) as one of the 100 most promising AI companies in the world.
With 180+ employees and growing, our team is fully multicultural and international. We deliver hyper-efficient software for companies seeking a competitive edge through quantum computing and artificial intelligence.
Our flagship products, CompactifAI and Singularity, address critical needs across various industries:

  • CompactifAI is a groundbreaking compression tool for foundational AI models based on Tensor Networks. It enables the compression of large AI systems—such as language models—to make them significantly more efficient and portable.
  • Singularity is a quantum- and quantum-inspired optimization platform used by blue-chip companies to solve complex problems in finance, energy, manufacturing, and beyond. It integrates seamlessly with existing systems and delivers immediate performance gains on classical and quantum hardware.

You’ll be working alongside world-leading experts to develop solutions that tackle real-world challenges. We’re looking for passionate individuals eager to grow in an ethics-driven environment that values sustainability and diversity.
We’re committed to building a truly inclusive culture—come and join us.

Responsibilities

  • Develop and maintain the organization's data pipeline architecture
  • Design and implement ETL processes to ensure that data is clean, accurate, and accessible
  • Work closely with Machine Learning Engineers to ensure that data is properly structured for analysis and building predictive models
  • Collaborate with cross-functional teams to identify opportunities to improve data quality and accessibility
  • Build and maintain data pipelines to automate data ingestion and processing
  • Manage and optimize database performance
  • Stay up to date with emerging trends in data engineering and recommend new tools and technologies as appropriate

Required qualifications:

  • Bachelors or master's degree in computer science, software engineering, or a related field
  • 1+ year of experience or demonstrated project in data engineering or a related field
  • Strong programming skills in Python or a similar language
  • Expertise in data modeling, ETL development, and database management
  • Experience with SQL and NoSQL databases
  • Familiarity with big data technologies such as Hadoop, Spark, and Kafka
  • Knowledge of cloud-based data platforms such as AWS, GCP, or Azure
  • Excellent problem-solving skills and attention to detail
  • Strong communication and collaboration skills

Perks & Benefits

  • Indefinite contract.
  • Equal pay guaranteed.
  • Variable performance bonus.
  • Signing bonus.
  • We offer work visa sponsorship (If applicable).
  • Relocation package (if applicable).
  • Private health insurance.
  • Flexible remuneration: hospitality and public transportation.
  • Eligibility for educational budget according to internal policy.
  • Hybrid opportunity.
  • Flexible working hours.
  • Language classes and discounted lunch options
  • Working in a high paced environment, working on cutting edge technologies.
  • Career plan. Opportunity to learn and teach.
  • Progressive Company. Happy people culture

As an equal opportunity employer, Multiverse Computing is committed to building an inclusive workplace. The company welcomes people from all different backgrounds, including age, citizenship, ethnic and racial origins, gender identities, individuals with disabilities, marital status, religions and ideologies, and sexual orientations to apply.

Department
Technical
Locations
San Sebastian, Spain
Employment type
Full-time
Workplace type
Hybrid
Seniority level
Associate

About MULTIVERSE COMPUTING

Come and join our multicultural team!

5 locations
+27 languages

Founded in 2019
Coworkers +150
Technical · San Sebastian, Spain

Junior Data Engineer

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