Data Scientist at IIIIIIUS

✨ The Stack take on this IIIIIIUS job

• 🏢 IIIIIIUS has 6 jobs here, 6 with visa sponsorship see all
• 📊 8 Data Scientist jobs in Spain in the last 60 days see them
• 🛂 Visa: Highly Qualified Professional permit. Education: Higher education degree guide
• 💡 No salary shown. Ask IIIIIIUS if it is above the minimum.

Updated 2026-11-03, from our data and official sources.

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About the role

Responsibilities:
- Work with subject matter experts and clients to frame analytical questions, define success measures and specify data needs.
- Prepare, clean and explore datasets; build, validate and compare statistical, forecasting and ML models.
- Prototype solutions using Python and LLMs where appropriate; test model assumptions, limitations and risks.
- Present findings, assumptions and uncertainty to technical and non-technical audiences; incorporate feedback.
- Produce reproducible analyses, documentation and share reusable methods across the team.
- Contribute technical content to proposals and manage multiple concurrent project commitments.

Requirements:
- Strong hands-on experience with Python (data/ML libraries) and SQL for data extraction and validation.
- Solid grounding in statistics, forecasting and supervised learning (regression/classification) and model evaluation.
- Practical familiarity using large language models responsibly (prompting, validation, privacy/accuracy checks).
- Experience building reproducible workflows, version control and writing maintainable code.
- Ability to translate ambiguous problems into deliverable prototypes and explain uncertainty clearly.
- Good stakeholder communication skills and a relevant quantitative degree or equivalent experience.

Responsibilities

You will collaborate with subject matter experts to define analytical problems, develop models, and deliver data science solutions for diverse client projects. Additionally, you will present findings to both technical and non-technical audiences and contribute to project proposals.

Requirements

The role requires hands-on experience in Python, SQL, and statistical modeling, along with a strong understanding of machine learning and large language models. Candidates should possess a relevant degree in a quantitative field and demonstrate the ability to communicate complex findings clearly.

Key skills

• Python — in 1173 other listings on The Stack
• SQL — in 527 other listings on The Stack
• Statistics — in 51 other listings on The Stack
• Machine learning — in 285 other listings on The Stack
• Data analysis — in 270 other listings on The Stack
• Large language models — in 46 other listings on The Stack
• Forecasting — in 20 other listings on The Stack
• Regression — in 14 other listings on The Stack
• Classification
• Data modeling
• Consulting
• Stakeholder engagement
• Technical writing
• Version control
• Prototyping
• Public policy

On The Stack (as of 2026-11-03)

• IIIIIIUS has 5 other listings on The Stack, 5 of them marked as offering visa sponsorship.
• 68 visa-sponsored jobs in Spain on The Stack, posted in the last 60 days.
• 65 visa-sponsored data scientist jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about IIIIIIUS

Is this Data Scientist role still open?

It was posted on 2026-10-30 and is listed as active on The Stack. Confirm on IIIIIIUS's application page before applying.

Does IIIIIIUS offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on IIIIIIUS's site.

Where is this role located?

The listing gives the location as Spain. It is marked on-site.

What skills does this role ask for?

The listing names: Python, SQL, Statistics, Machine learning, Data analysis, Large language models, Forecasting, Regression, Classification, Data modeling, Consulting, Stakeholder engagement, Technical writing, Version control, Prototyping, Public policy.